Open index
Reference. Direction. Subscribe.
We do not warehouse the trees. Each slip is a pointer: origin, the command that loads it, and the subscription if there is one. The full landscape — harness, skill, advance, MCP — as of August 2026.
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Via
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Trust
519 / 519
Progressive Disclosure Loader
Load the Skill when it is needed. Not 1.2 million of them.
hm install anthropic/progressive-disclosure@1.2.0
Open
lab
210,000
skills.sh
The package manager for Agent Skills. 600k+ OSS as of June 2026.
npm i -g skills && npx skills find
Open
skills.sh
210,000
GitHub MCP
Repos, PRs, Actions, the actual git. Official.
hm install github/github-mcp@0.4.2
Open
mcp
198,000
Claude Code
The productised coding harness. Tool loop, permissions, Skills, production surfaces.
Subscribe (seat) → hm install anthropic/claude-code@2.4.1
$100/mo
lab
184,200
Claude Max
Seat subscription that unlocks the Claude Code loop.
Subscribe Claude Max → claude auth
$100/mo
lab
184,000
Codex CLI
Apache-2.0 shell, commercial hosted runtime. Second native Skills consumer.
Subscribe (usage) → hm install openai/codex-cli@1.8.4
$0.01
github
142,800
Copilot Workspace
The repository as the unit of agency. Agentic Actions included.
Subscribe (seat) → hm install github/copilot-workspace@1.4.0
$39/mo
lab
121,000
Cursor Agent
IDE-resident long-running agent. Headless sibling for fleets.
Subscribe (seat) → hm install anysphere/cursor-agent@1.6.2
$40/mo
lab
98,000
ChatGPT Codex
Hosted Codex runtime. CLI is Apache; this is the bill.
Subscribe ChatGPT Team/Pro → codex login
$25/mo
lab
96,000
CLAUDE.md
Project memory for Claude Code. Not a skill; the file every skill assumes.
Write CLAUDE.md → claude will load it
Open
lab
92,000
Superpowers
Jesse Vincent's discipline pack. TDD, debug, plan, dispatch. The community default.
npx skills add obra/superpowers
Open
github
84,000
LangChain
The library everyone forked. LangGraph is the production graph; this is the kit.
pip install langchain
Open
github
82,000
React Best Practices
Vercel’s official React skill. Progressive disclosure.
npx skills add vercel/react-best-practices
Open
skills.sh
81,000
OpenCode
MIT, model-agnostic. The OSS control plane for mixed-lab fleets.
hm install opencode/opencode@0.22.0
Open
github
77,400
VS Code Agent
Agent mode in stable VS Code. Copilot Chat that is allowed to run.
Subscribe Copilot → Enable Agent mode
$19/mo
lab
72,000
Playwright MCP
Official browser MCP. Prefer this to a home-rolled CDP.
claude mcp add playwright npx @playwright/mcp
Open
mcp
67,000
Aider
Git-native pair harness. Diffs, commits, the repo is the memory.
pip install aider-chat && aider
Open
github
64,000
OpenClaw
General-purpose agent gateway. Messaging in, tools out. ClawHub is the skill surface.
npm i -g openclaw && openclaw onboard
Open
github
64,000
Ollama
Local models as a daemon. Fine for a laptop; not a 10k runtime.
curl -fsSL https://ollama.com/install.sh | sh
Open
github
64,000
Lovable
Conversational Next + Supabase builder. Greenfield only. Do not point it at the monorepo.
Subscribe Lovable → new project
$25/mo
lab
62,000
Gemini CLI
Apache-2.0 CLI, Gemini-bound. The portable surface after Agentspace folded.
Subscribe (usage) → hm install google/gemini-cli@0.7.1
$0.01
github
56,200
Web Interface Guidelines
The taste skill. Load when the agent is about to invent a UI.
npx skills add vercel/web-design
Open
skills.sh
54,000
LangGraph
Graph orchestration for people who will not buy Helix yet.
pip install langgraph
Open
github
54,000
Bolt
StackBlitz WebContainers. The browser is the runtime. Fast prototypes, thin prod.
Open bolt.new → prompt
$20/mo
lab
54,000
AGENTS.md
The repo constitution. One file the harness is supposed to read first.
Add AGENTS.md at the repo root
Open
github
54,000
Vercel AI SDK
TypeScript streaming, tools, and agents. The Next default.
npm i ai
Open
github
54,000
Windsurf Cascade
IDE cascade agent. Cognition renamed the editor Devin Desktop on 2 June 2026; Cascade became Devin Local.
Subscribe Devin → open Devin Desktop
$15/mo
lab
52,000
ClawHub
Community skill hub. Largest surface, largest attack surface.
clawhub install <skill> # scan first
Open
cli
48,000
Replit Agent
Prompt to a running app on Replit's host. The DB is in the same tab. Freeze prod.
Subscribe Replit → Agent
$25/mo
lab
48,000
GitHub Hosted MCP
Official remote: api.githubcopilot.com/mcp. The artifact listing is the tree; this is the host.
claude mcp add --transport http github https://api.githubcopilot.com/mcp
$0.00/mo
mcp
48,000
Frontend Design
Official Anthropic skill. Layout, type, restraint.
claude plugin install frontend-design
Open
lab
47,000
Agentic Actions
Markdown agents inside GitHub Actions. The forge as harness.
Subscribe Copilot → enable Agentic Workflows
$39/mo
lab
44,000
Smithery
MCP directory and host. The npm of servers, with the same risks.
npx @smithery/cli install <server>
$0.01
mcp
42,000
LiteLLM
One OpenAI-shaped gateway to 100+ labs. Virtual keys, budgets, the meter.
pip install litellm # or docker the proxy
$0.00/mo
github
42,000
Grok Build
Model-native coding harness. Worktrees, fan-out, harness-aware evals.
Subscribe (usage) → hm install xai/grok-build@0.9.2
$0.01
lab
41,800
JetBrains AI Assistant
Inline, chat, and commit messages inside IDEA. Junie is the agent; this is the copilot.
Subscribe JetBrains AI → enable Assistant
$10/mo
lab
41,200
Open Interpreter
Natural language → local shell. The laptop is the sandbox. Treat it as such.
pip install open-interpreter && interpreter
Open
github
41,200
Continue
Open IDE harness. Model-agnostic, rules as files.
code --install-extension continue.continue
Open
github
41,000
Filesystem MCP
Reference local FS. Allowed directories only. Do not mount $HOME.
claude mcp add filesystem -- npx -y @modelcontextprotocol/server-filesystem
Open
github
41,000
Claude Desktop MCP
claude_desktop_config.json. The original client surface.
Edit claude_desktop_config.json → restart
Open
lab
41,000
Context7
Live library docs into the loop. Stops last-year APIs.
claude mcp add context7
Open
mcp
38,000
Copilot Coding Agent
GitHub assigns the issue. The agent opens the PR. The forge is the harness.
Subscribe Copilot → assign issue to Copilot
$39/mo
lab
38,000
OpenRouter
Hosted model router. Markup is the product. Pin the provider when it matters.
Subscribe OpenRouter → set the base URL
$0.00
lab
38,000
Devin Desktop
Windsurf, renamed 2 June 2026. Cascade became Devin Local.
Subscribe Devin → open Devin Desktop
$15/mo
lab
36,000
Cursor MCP Directory
IDE-shipped directory. A list, not a trust tier.
Add MCP in Cursor Settings → MCP
Open
lab
36,000
MCP Spec
The protocol. modelcontextprotocol.io. Read it before you invent a tool API.
Read the spec → pin a server, not a fork
Open
mcp
36,000
v0 Agent
UI-first agent. Skills.sh is the package graph.
Subscribe v0 → npx skills add
$20/mo
lab
34,000
Playwright Skill
Browser as a tool. Pair with the MCP, do not duplicate.
npx skills add microsoft/playwright
Open
github
33,000
Open WebUI
Chat UI on Ollama / OpenAI-compat. Not a harness — the window.
docker run -p 3000:8080 ghcr.io/open-webui/open-webui
Open
github
32,000
Warp Agent
The terminal became a harness. Agent mode on a GPU-drawn shell.
Download Warp → enable Agent mode
$15/mo
lab
31,200
Notion MCP
Pages and databases. Do not grant workspace owner.
claude mcp add notion --scope project
Open
mcp
31,000
CrewAI
Role crews. Fine below 20 agents. Not a 10k supervisor.
pip install crewai
Open
github
31,000
SkillsMP
Scraped GitHub skills. ~1.9M. Largest surface, no review. Scan first.
Browse SkillsMP → copy SKILL.md after review
Open
cli
31,000
Amazon Q Developer
AWS's coding agent. IAM, SSO, the account boundary is the sandbox.
Subscribe Amazon Q → q login
$19/mo
lab
28,600
Cline
VS Code agent with a plugin marketplace of its own.
Subscribe in Cline → /plugin marketplace add
$8.00/mo
github
28,000
Skill Creator
The skill that writes skills. Use it, then delete it.
claude plugin install skill-creator
Open
lab
28,000
Trae
ByteDance's AI IDE. Solo and builder modes. The Chinese Cursor.
Download Trae → sign in
$10/mo
lab
28,000
Cursor Cloud Agents
Background agents on Anysphere's host. The IDE stays; the loop leaves.
Subscribe Cursor → launch a cloud agent
$20/mo
lab
28,000
Next.js Best Practices
App Router, caching, the mistakes that cost TTFB. Sister of next-audit.
npx skills add vercel/next-best-practices
Open
skills.sh
28,000
MCP Registry
Official discovery API. registry.modelcontextprotocol.io — the catalog, not a server.
Browse the registry → pin the origin server
Open
mcp
28,000
VS Code MCP
Stable VS Code as an MCP host. Agent mode shares the servers.
Add MCP in VS Code settings.json
Open
lab
28,000
LlamaIndex Workflows
Event-driven, retrieval-first. Use when the docs are the product.
pip install llama-index
Open
github
28,000
AutoGPT
The 2023 loop that taught everyone about runaway bills. Historical, still forked.
Read the repo → do not run unattended
Open
github
28,000
LM Studio
Local GUI and a server. The other laptop runtime.
Download LM Studio → start the server
Open
lab
28,000
AutoGen
Microsoft's multi-agent runtime. Research fleets, then a supervisor.
pip install autogen-agentchat
Open
github
27,000
Crush
Charm's terminal agent. LSP context, mid-session model swap, MCP in crush.json.
brew install charmbracelet/tap/crush && crush
Open
github
26,800
Extract, fill, merge. The boring office loop, portable.
claude plugin install pdf
Open
lab
26,000
Linear MCP
Issues, projects, cycles. Fine-grained scopes only.
claude mcp add linear --scope project
Open
mcp
24,000
Tabnine
Enterprise completion with private models. Older than the agent wave; still billed.
Subscribe Tabnine → install the IDE plugin
$12/mo
lab
24,000
Copilot Studio
Low-code agents on Microsoft 365. Graph permissions are the real product.
Subscribe M365 Copilot → open Studio
Enterprise
lab
24,000
XLSX
Excel with formulas that survive a reopen. Not a CSV in a trench coat.
claude plugin install document-skills@anthropic-agent-skills
Open
lab
24,000
Supabase MCP
Projects, tables, auth. Community-maintained; still the default Postgres MCP.
claude mcp add supabase -- npx -y @supabase/mcp-server
Open
mcp
24,000
MCP TypeScript SDK
Official TS SDK. The other first-party kit.
npm i @modelcontextprotocol/sdk
Open
github
24,000
Dify
Low-code agent studio. Self-host or cloud. Visual graphs for ops.
docker compose up # or Dify Cloud
$0.00/mo
github
24,000
LangSmith
Traces and evals for LangChain shops. Env var and you are in.
Subscribe LangSmith → LANGCHAIN_TRACING_V2=true
$0.00
lab
24,000
Plan · Work · Review
The five-verb delivery skill. Plan is a spec. Review is a different agent.
Subscribe (seat) → hm install lattice/plan-work-review@2.4.1
$18/mo
registry
22,100
Kiro
AWS spec-driven IDE. Prompt → requirements → parallel agents. Property tests, not vibes.
Subscribe Kiro → kiro auth
$20/mo
lab
22,100
OpenHands
OSS software-delivery harness. Docker sandbox.
docker run ghcr.io/all-hands-ai/openhands
Open
github
22,000
Next.js Audit
App Router, caching, and the mistakes that cost TTFB.
npx skills add vercel/next-audit
Open
skills.sh
22,000
Sequential Thinking
Official reasoning scaffold. Use as an advance, not a personality.
claude plugin install sequential-thinking
Open
lab
22,000
GitHub Review
PR review as a skill. Pair with a different harness than the author.
gh extension install github/gh-copilot
$19/mo
github
22,000
CodeRabbit
PR review as a harness. Pair with a different author than the reviewer.
Subscribe CodeRabbit → install the GitHub app
$15/mo
lab
22,000
Codex Desktop
macOS/Windows app for parallel Codex agents and worktrees. Linux gets the CLI.
Subscribe ChatGPT → install Codex Desktop
$20/mo
lab
22,000
shadcn/ui
Copy the component, do not wrap a library the agent hallucinated.
npx skills add shadcn/ui
Open
skills.sh
22,000
Fetch MCP
URL → markdown. Reference, not a crawler. Prefer Firecrawl for sites.
claude mcp add fetch -- uvx mcp-server-fetch
Open
github
22,000
MCP Python SDK
Official Python SDK. Build a server; do not fork the protocol.
pip install mcp
Open
github
22,000
Claude MCP connectors
Hosted connectors on claude.ai. Prefer vendor servers when both exist.
Enable connectors in Claude settings
$0.00/mo
lab
22,000
Pydantic AI
Type-safe Python agents. FastAPI energy, no graph religion.
pip install pydantic-ai
Open
github
22,000
Browser Use
Python agents that drive a real browser. Prefer Stagehand if you already Playwright.
pip install browser-use
Open
github
22,000
AI SDK UI
useChat and friends. Pair with the Vercel AI SDK advance.
npm i @ai-sdk/react
Open
github
22,000
vLLM
The serving layer most open-weight fleets actually run.
pip install vllm && vllm serve
Open
github
22,000
PPTX
Decks as a skill. Not a slide API wrapped in hope.
claude plugin install pptx
Open
lab
21,000
n8n AI Agents
Self-host the graph. Agents as nodes. MCP and LangChain as extras.
docker compose up # or n8n Cloud
$0.00/mo
github
21,000
Semantic Kernel
The older Microsoft runtime. Framework is the successor; SK still ships.
pip install semantic-kernel
Open
github
21,000
Cost Circuit Breaker
Abort a session at $0.75. Pause a fleet at the hourly budget.
Subscribe (seat) → hm install helix/cost-circuit@1.4.0
$12/mo
registry
19,800
Zed Agent
Native Rust editor. Fastest surface, MCP in the panel, no Electron tax.
Download Zed → enable Agent panel
$10/mo
github
19,400
Roo Code
Cline fork. Modes, boomerang tasks, cheaper loops.
Install Roo from VS Code marketplace
Open
github
19,000
DOCX
Read and write Word trees without the GUI.
claude plugin install docx
Open
lab
19,000
OpenAI Agents SDK
Python SDK for agent loops. Not a hosted harness.
pip install openai-agents
Open
github
19,000
Firebase Studio
IDX, renamed. Full-stack in the browser, billed as Google Cloud.
Open Firebase Studio → link a GCP project
$0.00
lab
19,000
Tailwind
Utility-first, no invented design system. Pair with frontend-design.
npx skills add tailwind/skills
Open
skills.sh
19,000
Orca
ADE for parallel CLI agents. Worktrees, design mode, MIT. github.com/stablyai/orca.
Download Orca from onorca.dev → attach a CLI harness
Open
github
18,600
MetaGPT
SOPs as multi-agent roles. Research fleets, then a supervisor.
pip install metagpt
Open
github
18,600
Agentforce
CRM agents on the Salesforce graph. Five catalogs; this is the enterprise one.
Subscribe Agentforce → publish an agent
Enterprise
lab
18,600
gstack
A full team-in-a-box process as skills. Use it, then delete half.
npx skills add garrytan/gstack
Open
github
18,600
Mastra
TypeScript agent framework. Studio, workflows, the TS default.
npm i mastra
Open
github
18,600
DSPy
Compile the prompt. Signatures, not string soup.
pip install dspy-ai
Open
github
18,600
Augment Code
Context engine for 400k-file trees. Auggie is the loop; the index is the product.
Subscribe Augment → install Auggie
$30/mo
lab
18,400
Tabby
Self-hosted completion. Privacy-first, no lab in the loop.
docker run -it -p 8080:8080 tabbyml/tabby
Open
github
18,400
Antigravity
Gemini's agent surface after Agentspace folded.
Subscribe Gemini Enterprise → gemini auth
Enterprise
lab
18,000
Slack MCP
Read channels, draft. Posting is a HITL path.
claude mcp add slack --scope project
Open
mcp
18,000
Devin Local
The in-editor Devin loop that replaced Cascade. Sub-agents and a sandbox.
Open Devin Desktop → enable Devin Local
$15/mo
lab
18,000
Agent Skills Spec
The SKILL.md standard. agentskills.io. Read it before you publish.
Read the spec → validate with skills-ref
Open
github
18,000
FastMCP
Python decorator framework for servers. The Flask of MCP.
pip install fastmcp
Open
github
18,000
OpenAI MCP
Hosted tools and connectors on the OpenAI side. ChatGPT Workspace is not a public catalog.
Enable OpenAI connectors → bind the workspace
$0.00/mo
lab
18,000
Awesome MCP Servers
The list everyone forks. Prefer vendor official over the 12th Postgres.
Browse → install at origin
Open
github
18,000
Instructor
Structured output that fails closed. Pydantic at the boundary.
pip install instructor
Open
github
18,000
Groq
LPU inference. Fast tokens, not a harness.
Subscribe Groq → set the base URL
$0.00
lab
18,000
JetBrains Junie
Autonomous agent for the IntelliJ family. Junie Local keeps the repo on the M5.
Subscribe JetBrains AI → enable Junie
$10/mo
lab
16,800
Supabase Postgres
Official Postgres performance skill. Indexes, RLS, the queries that lock.
npx skills add supabase/agent-skills --skill supabase-postgres-best-practices
Open
github
16,800
Google ADK
Agent Development Kit. Multi-language, A2A, Vertex-native.
pip install google-adk
Open
github
16,400
smolagents
Hugging Face code-writing agents. Tiny, opinionated, open weights friendly.
pip install smolagents
Open
github
16,400
Retry Cascade Guard
Retries accumulate history. This advance stops them from becoming the bill.
hm install lattice/retry-cascade-guard@1.0.1
Open
github
16,200
Langfuse
Traces, evals, prompt versions. Self-host or subscribe.
docker compose up # or Langfuse Cloud
$0.00/mo
github
16,000
Blackbox
Completion and chat with a large public-repo index. Treat as community.
Install Blackbox → sign in
$10/mo
lab
16,000
Make
Integromat, renamed, now with agents. Visual graphs for ops teams.
Subscribe Make → add an AI agent module
$9.00/mo
lab
16,000
Memory MCP
Reference knowledge-graph memory. Fine for a laptop; not a company vault.
claude mcp add memory -- npx -y @modelcontextprotocol/server-memory
Open
github
16,000
Linear Remote MCP
Official SSE host. mcp.linear.app. Sister of the seed listing.
claude mcp add --transport sse linear https://mcp.linear.app/sse
Open
mcp
16,000
Codex MCP
Codex CLI as an MCP client. Apache at the shell.
codex mcp add <server>
Open
github
16,000
Flowise
LangChain as nodes. Fine for a prototype; pin the version.
npx flowise start
Open
github
16,000
Temporal
Durable execution. The workflow is the supervisor when the graph must survive.
Run Temporal → wrap the agent as an activity
Open
github
16,000
Firecrawl
The crawl API behind the MCP. Site → markdown.
Subscribe Firecrawl → or self-host
$0.01
github
16,000
Qwen Code
Gemini-CLI fork tuned for Qwen3-Coder. Apache, Chinese-model first.
npm i -g @qwen-code/qwen-code && qwen
Open
github
15,600
Security Guidelines
Official secure-coding skill. Secrets, auth, injection.
claude plugin install security-guidelines
Open
lab
15,000
Cloudflare Docs MCP
Workers, D1, Durable Objects — as tools, from the docs.
claude mcp add cloudflare-docs
Open
mcp
15,000
Tool Search
Do not load 200 tools. Search, then load. Context is the budget.
claude plugin install tool-search
Open
lab
14,000
GPT Engineer
Specify a repo, generate the tree. Greenfield only.
pip install gpt-engineer && gpte
Open
github
14,000
Fin
Support agent that resolves, not deflects. Fin is the harness; the help center is the skill.
Subscribe Fin → connect the workspace
$0.99
lab
14,000
React Native
Vercel's RN patterns. Progressive disclosure, same as the web skill.
npx skills add vercel/react-native
Open
skills.sh
14,000
MCP Inspector
Visual debugger for servers. Use it before you grant write.
npx @modelcontextprotocol/inspector
Open
github
14,000
Firecrawl MCP
Scrape, crawl, extract. Official. The site as structured data.
claude mcp add firecrawl -- npx -y firecrawl-mcp
$0.01
github
14,000
Haystack
Pipeline agents for search. deepset's production RAG.
pip install haystack-ai
Open
github
14,000
Together
Hosted open weights. Fine when the lab is not the point.
Subscribe Together → set the base URL
$0.00
lab
14,000
Operator
OpenAI's computer-use agent. Browser in their VM, not yours.
Subscribe ChatGPT → Operator
$0.00/mo
lab
14,000
promptfoo
YAML evals in CI. Cheap, local, the subset that should gate the PR.
npx promptfoo eval
Open
github
14,000
LibreChat
Multi-endpoint chat. Agents as extras. Self-host.
docker compose up # LibreChat
Open
github
14,000
Perplexity API
Hosted research loop. Sonar models, citations included.
Subscribe Perplexity API → set the base URL
$0.00
lab
14,000
Repo Memory
Durable, scoped memory. Not a junk drawer in the context window.
hm install lattice/repo-memory@0.6.3
Open
github
12,400
Goose
Block's local-first agent harness. Recipes as files.
curl -fsSL https://github.com/block/goose/releases | sh
Open
github
12,400
Manus
Ticket-to-artifact autonomous agent. The Chinese Devin, with an open API.
Subscribe Manus → brief a ticket
$39/mo
lab
12,400
Get Shit Done
Spec-driven context engineering. One skill, one outcome, no ceremony.
npx skills add gsd-build/get-shit-done
Open
github
12,400
Sentry MCP
Errors as a tool, not a tab.
claude mcp add sentry --scope project
Open
mcp
12,000
GitLab Duo Agent
Lifecycle agents on the other forge. Policy stays in GitLab.
Subscribe Duo Enterprise → enable Agent Platform
Enterprise
lab
12,000
Claude Agent SDK
The Claude Code loop as a library. Same harness, your process.
npm i @anthropic-ai/claude-agent-sdk
$0.00
lab
12,000
Zapier Agents
8,000 apps as tools. The agent is a Zap that can decide.
Subscribe Zapier → create an agent
$20/mo
lab
12,000
GitHub Actions
Workflows as a skill. Pin SHAs. Community actions are community-tier.
npx skills add github/actions
Open
github
12,000
Git MCP
Read and search a repo through tools. The agent already has git; this is the audited path.
claude mcp add git -- uvx mcp-server-git
Open
github
12,000
Exa MCP
Neural web search for agents. Official. Better than a raw SERP.
claude mcp add exa -- npx -y exa-mcp-server
$0.00
github
12,000
Atlassian MCP
Official Jira + Confluence. Rovo-backed. Fine-grained scopes.
claude mcp add atlassian --scope project
Open
github
12,000
Devin Desktop MCP
MCP panel in the renamed Windsurf / Devin Desktop.
Open Devin Desktop → MCP settings
$0.00/mo
lab
12,000
Agno
Was Phidata. Self-hosted multi-agent runtime. Fast Python.
pip install agno
Open
github
12,000
Vercel AI Gateway
Unified models for Vercel shops. Spend in the dashboard.
Enable AI Gateway → point the harness
$0.00
lab
12,000
E2B
Cloud sandboxes for agents. Firecracker, not the laptop.
pip install e2b # or subscribe hosted
$0.05
github
12,000
SWE-bench
The issue→patch bench. Hold the model. The harness is the variable.
pip install swebench
Open
github
12,000
BabyAGI
The other 2023 loop. A page of Python. The lesson, not the desk.
Read the gist → do not scale it
Open
github
12,000
AnythingLLM
Desktop RAG + agents. Local docs, local models.
Download AnythingLLM → add a workspace
Open
github
12,000
Jina Reader
URL → clean tokens. r.jina.ai. The fetch that is not wget.
curl https://r.jina.ai/<url>
$0.00
lab
12,000
MCP Builder
Scaffold an MCP server the harness can actually load.
claude plugin install mcp-builder
Open
lab
11,000
Figma MCP
Official design context. Prefer this to a screenshot.
claude mcp add figma --scope project
Open
mcp
11,000
SWE-Agent
The paper that made the harness the independent variable.
pip install swe-agent && sweagent run
Open
github
9,800
Qodo
Gen, merge, cover. Three agents: write, review, test. Was Codium.
Subscribe Qodo → install Gen / Merge / Cover
$15/mo
lab
9,800
Now Assist
ITSM agents on the Now Platform. The ticket is the unit of agency.
Subscribe Now Assist → enable agents
Enterprise
lab
9,800
ChatDev
Virtual software company as a chat. Research demo, not a 10k topology.
pip install -r requirements.txt && python run.py
Open
github
9,800
Webapp Testing
Playwright against the app the agent just wrote. Official, not a home-rolled CDP.
npx skills add anthropics/skills --skill webapp-testing
Open
lab
9,800
Postgres MCP
Direct SQL. Read replica if you can; writes are HITL.
claude mcp add postgres -- uvx postgres-mcp
Open
github
9,800
Tavily MCP
AI-native search and extract. Official.
claude mcp add tavily -- npx -y tavily-mcp
$0.00
github
9,800
Continue MCP
config.yaml MCP blocks. The open IDE as a client.
Edit .continue/config.yaml → mcpServers
Open
github
9,800
Microsoft Agent Framework
AutoGen + Semantic Kernel, GA'd. The Azure/.NET path.
pip install agent-framework # or dotnet add
Open
github
9,800
CAMEL
Communicative agents. Research fleets, role play, then a supervisor.
pip install camel-ai
Open
github
9,800
Stagehand
Playwright with an AI layer. Hybrid locators, not a new CDP.
npm i @browserbasehq/stagehand
Open
github
9,800
Ragas
RAG evals. Faithfulness is not BLEU.
pip install ragas
Open
github
9,800
CopilotKit
Drop-in agent UI. The HITL surface for people without Helix.
npm i @copilotkit/react-core
Open
github
9,800
Tavily
Search API for agents. Sister of the MCP.
Subscribe Tavily → set TAVILY_API_KEY
$0.00
lab
9,800
Amazon Q CLI
The shell face of Q. Infra as a conversation, still billed as Q.
brew install amazon-q && q chat
$19/mo
github
9,400
Glean Assistant
Enterprise search that started acting. Permissions stay in Glean.
Subscribe Glean → enable Assistant
Enterprise
lab
9,200
Vercel Compose
How to ship on Vercel without inventing a new cache rule.
npx skills add vercel/compose
Open
skills.sh
9,200
Awesome Claude Skills
Composio's index. A directory, not a registry. Pin the origin.
Browse the list → npx skills add <origin>
Open
github
9,200
Fireworks
Hosted open weights with a production SLA.
Subscribe Fireworks → set the base URL
$0.00
lab
9,200
Helicone
LLM observability. Pair with OTel gen-ai, do not run both blind.
Subscribe Helicone → set the base URL
$0.00
lab
9,100
Brand Guidelines
Load a house style so the agent stops inventing one.
claude plugin install brand-guidelines
Open
lab
9,000
Stripe MCP
Read money. Writing money is enterprise and HITL.
claude mcp add stripe --scope project
$0.00
mcp
9,000
Kimi CLI
Moonshot's native coding shell. Anthropic-compat so Claude Code can sit on K2.
Install Kimi CLI → kimi auth
$20/mo
lab
8,900
Linear Triage
Ticket hygiene for a fleet that otherwise invents work.
npx skills add linear/triage
Open
skills.sh
8,700
Security Review Gate
No merge without a signed security pass. Secrets, auth, supply chain.
Subscribe (seat) → hm install northstar/security-review-gate@3.0.2
$32/mo
registry
8,600
Amp
Sourcegraph's coding agent. Repo intel in the loop.
Subscribe Amp → amp login && amp
$20/mo
lab
8,600
AgentExchange
Cross-platform compatibility ratings. A directory with scores.
Browse ratings → install at origin
Open
cli
8,600
Cloudflare Agents SDK
Durable-object agents. State that survives the isolate.
npm i agents
Open
github
8,600
Void
Open Cursor-shaped editor. Your keys, your models, no Anysphere bill.
Download Void → add a provider key
Open
github
8,600
Graphite Agent
Stacked-diff forge with an agent on the stack. Diamond is the review pass.
Subscribe Graphite → enable Agent
$25/mo
lab
8,600
Bedrock Agents
Managed agent runtime on Bedrock. Action groups, knowledge bases, IAM.
Enable Bedrock Agents → bind an action group
$0.00
lab
8,600
Claude API
SDK, auth, and the mistakes that burn tokens. Bundled with Claude Code.
claude plugin install example-skills@anthropic-agent-skills
Open
lab
8,600
GitHub Spec Kit
Spec-driven development as a kit. Kiro's cousin on the forge.
npx skills add github/spec-kit
Open
github
8,600
Workers
Workers, bindings, the isolate budget. Official docs as a skill.
npx skills add cloudflare/workers
Open
skills.sh
8,600
ESLint
The other JS linter. Flat config. Do not run both with Biome.
npx skills add eslint/flat
Open
github
8,600
Brave Search MCP
Privacy-first web search. Official. Independent index.
claude mcp add brave -- npx -y @brave/brave-search-mcp-server
$0.00
github
8,600
Docker MCP
Official gateway. Images, containers, the socket that is root.
claude mcp add docker --scope project
Open
github
8,600
Gmail MCP
Read and draft. Sending is HITL. Community server.
claude mcp add gmail -- npx gmail-mcp-server
Open
github
8,600
Notion Official MCP
Vendor server (makenotion). Pages and databases. Do not grant workspace owner.
claude mcp add notion-official -- npx @notionhq/mcp-server
Open
github
8,600
Cline MCP
Cline's MCP marketplace. Scan the plugin; it is a plugin.
Cline → MCP Servers → install
Open
github
8,600
PulseMCP
Directory and quality signals. A list with scores, not signatures.
Browse PulseMCP → install at origin
Open
cli
8,600
Outlines
Constrained generation. The grammar is the schema.
pip install outlines
Open
github
8,600
Cloudflare AI Gateway
Edge proxy, cache, and logs. The isolate in front of the lab.
Create a gateway → set the base URL
$0.00
lab
8,600
Braintrust
Eval-first. Datasets, scorers, the regression that holds the model.
Subscribe Braintrust → wrap the client
$0.00
lab
8,600
Modal
Functions and sandboxes. GPUs when the agent needs them.
pip install modal && modal setup
$0.00
lab
8,600
Computer Use
Anthropic's desktop loop. The screenshot is the observation.
Use the Computer Use tool → isolate the VM
$0.00
lab
8,600
mem0
Persistent memory layer. Personalisation; not the source of truth.
pip install mem0ai
$0.00/mo
github
8,600
DeepEval
Pytest for LLM outputs. Unit-shaped evals.
pip install deepeval
Open
github
8,600
Swarm
The experimental handoff kit. Agents SDK is the successor.
pip install git+https://github.com/openai/swarm
Open
github
8,600
Jan
Open local-first app. Run the model; keep the keys.
Download Jan → enable local server
Open
github
8,600
Unstructured
Document ETL for the RAG side. Not a harness.
pip install unstructured
$0.00
github
8,600
Exa
Neural search API. Sister of the MCP.
Subscribe Exa → set EXA_API_KEY
$0.00
lab
8,600
Smol Developer
Karpathy-adjacent scaffold. Specify, generate, compile. Not a desk.
git clone && python main.py
Open
github
8,200
Lindy
Email-and-calendar agents for operators who will not write a graph.
Subscribe Lindy → connect Gmail
$25/mo
lab
8,200
Neon MCP
Serverless Postgres. Branches, SQL, the reset that is not prod.
claude mcp add neon -- npx -y @neondatabase/mcp-server-neon
Open
github
8,200
Docker
Images, compose, the layer cache. Official-ish; still read the SKILL.md.
npx skills add docker/compose
Open
skills.sh
8,100
Vibe Kanban
Local kanban for coding agents. Isolated worktrees. Bloop is sunsetting it — pin a SHA.
npx vibe-kanban
Open
github
7,600
Vertex Agent Builder
GCP agent studio after Agentspace folded. A2A is the interop story.
Enable Vertex AI Agent Builder
$0.00
lab
7,400
Prisma
Schema, migrate, generate. Do not let the agent edit migrations by hand.
npx skills add prisma/skills
Open
skills.sh
7,400
Figma
Design-to-code taste. Pair with the MCP; do not screenshot the file.
npx skills add figma/handoff
Open
skills.sh
7,400
Canvas Design
Poster-grade layout. Not a dashboard.
claude plugin install canvas-design
Open
lab
7,200
Arize Phoenix
Open evals and traces. The notebook that became a product.
pip install arize-phoenix
Open
github
7,200
Kilo Code
Model-agnostic VS Code agent. Gateway with 0% markup; you pay the lab.
Install Kilo from VS Code marketplace
Open
github
7,200
Cody
Sourcegraph's older graph-aware assistant. Amp is the successor; Cody still runs.
Subscribe Sourcegraph → enable Cody
$19/mo
lab
7,200
Web Artifacts Builder
React + Tailwind artifacts that are not a single HTML file of regret.
npx skills add anthropics/skills --skill web-artifacts-builder
Open
lab
7,200
Kubernetes
Manifests, probes, the PDB. Pair with k8s-repair; do not duplicate.
npx skills add k8s/strict
Open
skills.sh
7,200
Browser MCP
Drive local Chrome. Official-ish. The laptop is the sandbox.
claude mcp add browser -- npx -y @browsermcp/mcp
Open
github
7,200
Cloudflare MCP
Workers, KV, R2 as tools. Sister of the docs MCP.
claude mcp add cloudflare --scope project
Open
github
7,200
MarkItDown MCP
Official Office → markdown. Pair with the document skills.
claude mcp add markitdown -- uvx markitdown-mcp
Open
github
7,200
Stripe Agent Toolkit
Official toolkit repo. Read money; writing money is enterprise and HITL.
claude mcp add stripe -- npx @stripe/mcp
$0.00
github
7,200
Gemini CLI MCP
Gemini CLI as an MCP client. Vertex-friendly.
gemini mcp add <server>
Open
github
7,200
Composio
Managed tool graph. OAuth to 200+ apps. The hop is the product.
Subscribe Composio → claude mcp add composio
$0.00
lab
7,200
Strands Agents
Model-driven loops on Bedrock. Less graph, more tool boundary.
pip install strands-agents
Open
github
7,200
Guidance
Microsoft's control language. Interleave tools and tokens.
pip install guidance
Open
github
7,200
W&B Weave
LLM traces in the W&B workspace. Use it if training already lives there.
pip install weave && weave.init
$0.00
lab
7,200
Letta
Was MemGPT. Stateful agents with a memory OS.
pip install letta
Open
github
7,200
LangGraph Studio
Visual debugger for the graph. The desktop next to LangGraph.
Install Studio → open the graph
$0.00/mo
lab
7,200
Docling
IBM's document converter. PDF → structured, locally.
pip install docling
Open
github
7,200
Azure AI Foundry Agents
Foundry-hosted agents. Microsoft Agent Framework is the code path.
Open AI Foundry → create an agent
$0.00
lab
6,800
Factory Droids
Long-running delivery agents. Ticket to merge, with memory.
Subscribe (usage) → hm install factory/factory-droids@2.0.1
$0.02
lab
6,400
Harnessmarket Registry MCP
Search, install, license-check, and attribute — as tools.
Subscribe (usage) → hm install helix/registry-mcp@1.5.0
$0.00
mcp
6,400
Terraform Strict
Plan is not apply. State is not a chat log.
npx skills add hashicorp/terraform-strict
Open
github
6,400
Datadog MCP
Metrics, traces, the night shift.
claude mcp add datadog --scope project
$0.00
mcp
6,400
Obsidian Vault
Notes as memory. Dangerous if the vault is the company.
npx skills add obsidian/vault
Open
skills.sh
6,400
Portkey
Gateway: routing, budgets, traces. Not a harness — the meter.
Subscribe Portkey → point the harness at the gateway
$0.00
lab
6,400
Plandex
Plan-then-apply CLI. Accumulates a plan you can reject by file.
curl -sL https://plandex.ai/install.sh | bash
Open
github
6,400
Dust
Company-knowledge agents. The wiki, the tickets, the Slack — as a fleet.
Subscribe Dust → create an agent
$29/mo
lab
6,400
Open Lovable
Mendable's OSS Lovable clone. Firecrawl in the loop.
git clone && npm i && npm run dev
Open
github
6,400
Same
Clone a site, get a repo. Competitive teardown as a harness.
Open same.new → paste a URL
$20/mo
lab
6,400
Vitest
Unit tests that run. No skip, no snapshot without a reason.
npx skills add vitest/strict
Open
skills.sh
6,400
SkillHub
AI-scored catalog. 7k+ skills. Scores are not signatures.
skillhub install <skill> # read the score
Open
cli
6,400
Stripe Best Practices
Idempotency, webhooks, the keys that are not in the repo. Pair with the MCP.
npx skills add stripe/best-practices
Open
skills.sh
6,400
Conventional Commits
type(scope): subject. The agent will otherwise write a novel.
npx skills add commits/conventional
Open
skills.sh
6,400
Time MCP
Timezone conversion. The skill that stops 5pm UTC bugs.
claude mcp add time -- uvx mcp-server-time
Open
github
6,400
MongoDB MCP
Official collections and queries. No atlas admin by default.
claude mcp add mongodb -- npx -y mongodb-mcp-server
Open
github
6,400
E2B MCP
Official sandboxed code exec. The laptop is not the runtime.
claude mcp add e2b -- npx -y @e2b/mcp-server
$0.05
github
6,400
Azure MCP
Official resource tools. Subscription-scoped.
claude mcp add azure -- npx @azure/mcp
$0.00
github
6,400
GitLab MCP
Official Duo MCP. MRs, issues, the other forge.
claude mcp add gitlab --scope project
$0.00/mo
mcp
6,400
Obsidian MCP
Local vault search. The notes are the company if you let them be.
claude mcp add obsidian -- npx mcp-obsidian
Open
github
6,400
Goose MCP
Block Goose toolkits as MCP. Recipes stay files.
goose configure # enable MCP toolkit
Open
github
6,400
Zed MCP
Agent panel MCP. Fastest client, same protocol.
Add MCP in Zed Agent settings
Open
github
6,400
Deep Agents
LangChain's long-running harness library. CLI is the listing next door.
pip install deepagents
Open
github
6,400
OpenLLMetry
OTel for LLMs. Prefer this to a second proprietary exporter.
pip install traceloop-sdk
Open
github
6,400
A2A
Agent-to-agent interop. Google's bet that graphs will span vendors.
Read the A2A spec → expose a card
Open
github
6,400
Guardrails AI
Output validators. Schema and policy at the boundary.
pip install guardrails-ai
Open
github
6,400
MLflow GenAI
Tracing and evals on the MLflow you already run.
pip install mlflow[genai]
Open
github
6,400
CrewAI Flows
Event flows on top of crews. Still not a 10k supervisor.
pip install crewai # enable flows
Open
github
6,400
Onyx
Was Danswer. Open enterprise search with agents.
docker compose up # Onyx
Open
github
6,400
uv
Python packaging that is not pip. Lock the env.
npx skills add astral/uv
Open
github
6,100
Pytest
Fixtures, parametrize, the tests that catch the migration.
npx skills add pytest/strict
Open
skills.sh
5,800
KV-Cache Scheduler
The unglamorous advance. Prefix-stable prompts, continuous batching, cheaper loops.
Subscribe (usage) → hm install lattice/kv-cache-scheduler@1.3.0
$0.00
registry
5,400
Sentry Triage
Issue → repro → patch proposal. No auto-resolve.
npx skills add sentry/triage
Open
skills.sh
5,400
PearAI
VS Code fork that wires Continue + other OSS agents. Read the license twice.
Download PearAI → pick a backend
Open
github
5,400
Greptile
Repo-indexed review. Understands the graph, not just the diff.
Subscribe Greptile → install the GitHub app
$30/mo
lab
5,400
Writer
Enterprise writing and workflow agents. Brand graph, not a coding loop.
Subscribe Writer → enable agents
Enterprise
lab
5,400
Deep Agents CLI
LangChain's terminal harness. The Terminal-Bench swap that moved 13.7 points.
pip install deepagents && deepagents
Open
github
5,400
UiPath Agents
RPA vendor that grew an agent runtime. Robots and agents on one control plane.
Subscribe UiPath → enable Agents
Enterprise
lab
5,400
Bardeen
Browser automation that grew an agent. Playbooks, not a coding loop.
Subscribe Bardeen → install the extension
$10/mo
lab
5,400
TypeScript Strict
noUncheckedIndexedAccess. The skill that makes the agent earn any.
npx skills add typescript/strict
Open
skills.sh
5,400
pnpm
Workspaces, the lockfile that is not npm's. Use it if the repo does.
npx skills add pnpm/workspaces
Open
skills.sh
5,400
Chrome DevTools MCP
Official CDP for agents. Inspect, debug, do not farm it.
claude mcp add chrome-devtools -- npx chrome-devtools-mcp
Open
github
5,400
Vercel MCP
Deploy and inspect. Official handler / platform server.
claude mcp add vercel --scope project
Open
github
5,400
HubSpot MCP
Official CRM. Contacts and deals. Marketing write is HITL.
claude mcp add hubspot --scope project
Open
mcp
5,400
Google Calendar MCP
Events and holds. Invites are HITL.
claude mcp add gcal -- npx google-calendar-mcp
Open
github
5,400
Hugging Face MCP
Official models, datasets, Spaces.
claude mcp add hf -- npx @huggingface/hf-mcp-server
Open
github
5,400
OpenCode MCP
SST OpenCode as an MCP client. MIT, no lab lock-in.
opencode mcp add <server>
Open
github
5,400
Glama MCP
Hosted MCP directory. Same risks as any npm of servers.
Browse Glama → install at origin
Open
cli
5,400
Llama Stack
Meta's batteries for Llama. Agents, evals, safety, one distribution.
pip install llama-stack
Open
github
5,400
Inspect
UK AISI eval harness. Trace-based, not a leaderboard stunt.
pip install inspect-ai
Open
github
5,400
Inngest
Durable functions for agent steps. Retries that are not a for-loop.
npx inngest-cli dev
$0.00/mo
github
5,400
NeMo Guardrails
NVIDIA's programmable rails. Colang, not a system prompt.
pip install nemoguardrails
Open
github
5,400
SGLang
Structured generation runtime. Fast constrained decode.
pip install sglang
Open
github
5,400
Drizzle
SQL-in-TS. The skill that stops the agent inventing an ORM.
npx skills add drizzle/skills
Open
skills.sh
5,200
Jira Hygiene
The other ticket system. Fields, transitions, do not invent a status.
npx skills add jira/hygiene
Open
skills.sh
5,200
Browserbase
Hosted browsers for agents that should not run Chrome on the laptop.
Subscribe Browserbase → claude mcp add browserbase
$0.02
mcp
5,100
Terraform MCP
Official plan/validate. Apply is HITL.
claude mcp add terraform -- npx terraform-mcp-server
Open
github
5,100
Tempo
Figma-to-React builder with an agent. Designers ship; engineers review.
Subscribe Tempo → import a frame
$30/mo
lab
4,800
ClaudeSkills.info
Community-vetted Claude Code skills. Still community-tier.
Browse → install at origin
Open
cli
4,800
Code Review
The portable review rubric. Different harness than the author.
npx skills add review/strict
Open
skills.sh
4,800
Ruff
Lint and format in one binary. The agent does not get to skip.
npx skills add astral/ruff
Open
github
4,800
Warp MCP
Agent mode as an MCP client. The GPU terminal.
Warp Settings → MCP
$0.00/mo
lab
4,800
Presidio
PII detect and redact. Run it on tool output.
pip install presidio-analyzer presidio-anonymizer
Open
github
4,800
Northstar Scanner MCP
Scan a Skill before it loads. The 2026 supply chain, as a tool.
Subscribe (usage) → hm install northstar/northstar-scanner-mcp@2.2.0
$0.02
mcp
4,400
Repo Map
Aider's map, extracted. Load on any harness that drowns in trees.
npx skills add aider/repo-map
Open
github
4,300
Devin
Long-running delivery agent. Ticket in, PR out.
Subscribe Devin · seat, then bind the forge
Enterprise
lab
4,200
Strict Tests
No skip, no snapshot without a reason. Portable rubric.
hm install lattice/test-strict@1.2.0
$9.00/mo
registry
4,200
Magic Patterns
Design-system-aware UI agent. Component output that matches the kit.
Subscribe Magic Patterns → new kit
$29/mo
lab
4,200
Mini-SWE-Agent
The 100-line SWE-agent. Hold the model; measure the scaffold.
pip install mini-swe-agent
Open
github
4,200
SEO
Metadata, sitemap, the tags marketing will file a ticket about.
npx skills add seo/next
Open
skills.sh
4,200
Secrets Scan
gitleaks as a skill. The agent must not commit the .env it just wrote.
npx skills add gitleaks/scan
Open
github
4,200
Turborepo
Task graph, remote cache. Do not let the agent flatten the monorepo.
npx skills add vercel/turbo
Open
skills.sh
4,200
Redis MCP
Official keys, lists, streams. Do not FLUSHALL.
claude mcp add redis -- uvx redis-mcp
Open
github
4,200
Kubernetes MCP
kubectl as tools. Cluster-admin is not a default.
claude mcp add k8s -- npx mcp-server-kubernetes
Open
github
4,200
Slack MCP (Zencoder)
The maintained Slack server after the Anthropic reference archived.
claude mcp add slack -- npx @zencoderai/slack-mcp-server
Open
github
4,200
Skyvern
Vision-first browser workflows. Site-general, API-first.
pip install skyvern # or subscribe hosted
$0.00
github
4,200
SWE-bench Pro
The 2026 floor. Public split is what the scaffolding table cites.
Use the public split → hold the weights
Open
lab
4,200
Assistant UI
Headless chat primitives. Bring your own loop.
npm i @assistant-ui/react
Open
github
4,200
Agents SDK patterns
Durable-object agent patterns. The listing next to the SDK artifact.
npm i agents # then pin alarms
Open
github
4,200
Worktree Pool
Reuse isolated worktrees. Grok Build 0.9.2 made this a listing.
Pin grok-build@0.9.2 — pool is bundled
$0.00
lab
4,100
Zencoder
Repo-aware coding agent with its own MCP servers. Enterprise review loop.
Subscribe Zencoder → pin the IDE agent
$25/mo
lab
4,100
Databricks Agent Bricks
Lakehouse agents. Mosaic tools on Unity Catalog permissions.
Enable Agent Bricks on the workspace
$0.00
lab
4,100
Sweep
GitHub issue → PR. The original ticket harness, still running.
Install the Sweep GitHub app
Open
github
4,100
Gumloop
Visual agent flows. The spreadsheet of tool graphs.
Subscribe Gumloop → new flow
$25/mo
lab
4,100
Doc Coauthoring
Collaborative writing with a human still on the byline.
npx skills add anthropics/skills --skill doc-coauthoring
Open
lab
4,100
Remotion
Video as React. Load when the agent is about to invent FFmpeg flags.
npx skills add remotion/skills
Open
skills.sh
4,100
AWS Well-Architected
The five / six pillars as a skill. Use before the agent invents an account.
npx skills add aws/well-architected
Open
github
4,100
Notion Writing
Pages as the company memory. Dangerous if the vault is the company.
npx skills add notion/write
Open
skills.sh
4,100
BigQuery MCP
GenAI Toolbox path. Billing project required. Scan bytes.
claude mcp add bigquery --scope project
$0.00
github
4,100
Apify MCP
Actors as tools. Official. Scale scrape, not a laptop Chrome.
claude mcp add apify -- npx -y @apify/mcp-server
$0.00
github
4,100
Postman MCP
Official collections. Run the request; do not invent the URL.
claude mcp add postman -- npx @postman/mcp-server
Open
github
4,100
Salesforce MCP
Official CRM records. SOQL, not a dump.
claude mcp add salesforce --scope project
Enterprise
github
4,100
JetBrains MCP
IDE as an MCP host. Junie and Assistant share the socket.
Enable MCP in JetBrains AI settings
$0.00/mo
lab
4,100
Daytona
Dev environments as the agent sandbox. Workspaces, not hope.
daytona serve # or Daytona Cloud
$0.00/mo
github
4,100
Zep
Long-term memory and Graphiti. Temporal, not a vector dump.
pip install zep-python # or Zep Cloud
$0.00/mo
github
4,100
ACP
Agent Client Protocol. Editors host agents without a private socket.
Read the ACP spec → implement the host
Open
github
4,100
Trigger.dev
Background jobs with long timeouts. The agent that outlives the request.
npx trigger.dev@latest init
$0.00
github
4,100
MinerU
PDF extract that keeps layout. Chinese-lab strong.
pip install mineru
Open
github
4,100
OTel GenAI Spans
The emit side of attribution. Without this the desk invents nothing.
hm install helix/otel-genai@2.0.0
Open
registry
3,600
Cortex Agents
Warehouse-native agents. The SQL boundary is the sandbox.
Enable Cortex Agents → grant a role
$0.00
lab
3,600
Mentat
Terminal pair-programmer. Select context, apply diffs, stay in git.
pip install mentat && mentat
Open
github
3,600
Relevance AI
Low-code workforce of agents. Fine below a hundred; not a 10k supervisor.
Subscribe Relevance → publish a workforce
$19/mo
lab
3,600
Internal Comms
Memos, updates, the Friday note. Templates, not a personality.
npx skills add anthropics/skills --skill internal-comms
Open
lab
3,600
Cypress
E2E that is not Playwright. Pick one; do not run both blind.
npx skills add cypress/e2e
Open
github
3,600
Python Types
pyright, no Any, pydantic at the boundary.
npx skills add python/types
Open
skills.sh
3,600
GCP
Projects, IAM, the billing account. Vertex is a product, not a default.
npx skills add google/gcp
Open
skills.sh
3,600
Linear Hygiene
Issue shape, cycle, estimate. Sister of Linear Triage.
npx skills add linear/hygiene
Open
skills.sh
3,600
Snowflake MCP
Warehouse queries. Role-scoped. The SQL boundary is the sandbox.
claude mcp add snowflake --scope project
$0.00
github
3,600
Terminal-Bench
Agent-task realism. 2.0 is the IRIS Meta-Harness number.
pip install terminal-bench
Open
github
3,600
AgentOps
Session replay for agents. Cost and traces, not a harness.
pip install agentops && agentops.init
$0.00
lab
3,600
Azure
Subscriptions, RBAC, the resource group. Foundry is not ARM.
npx skills add microsoft/azure
Open
skills.sh
3,400
watsonx Orchestrate
IBM's agent orchestrator. Skills as catalogs, HITL as a first-class step.
Subscribe watsonx Orchestrate
Enterprise
lab
3,200
Bito
IDE chat plus a review agent. Mid-market, not a 10k supervisor.
Subscribe Bito → install the IDE plugin
$15/mo
lab
3,200
Trail of Bits Audit
Security review as a skill. Read it before you let the agent merge.
npx skills add trailofbits/skills
Open
github
3,200
Durable Objects
State that survives the isolate. Alarms, SQLite, the single-thread rule.
npx skills add cloudflare/durable-objects
Open
skills.sh
3,200
Biome
JS lint/format. Pair with TypeScript Strict.
npx skills add biome/strict
Open
github
3,200
Chroma MCP
Local vectors. Official. Fine for a laptop RAG.
claude mcp add chroma -- uvx chroma-mcp
Open
github
3,200
Discord MCP
Read and send. Bot token is production. Community.
claude mcp add discord -- uvx discord-mcp
Open
github
3,200
Grafana MCP
Official dashboards and alerts.
claude mcp add grafana -- npx @grafana/mcp-grafana
Open
github
3,200
Vercel Sandbox
Short-lived microVMs for agents on Vercel.
Enable Sandbox → pin from the harness
$0.00
lab
3,200
Giskard
Testing and red-team for LLM apps. Open core.
pip install giskard
Open
github
3,200
promptfoo Red Team
Adversarial probes in CI. The cheap subset.
npx promptfoo redteam
Open
github
3,200
PraisonAI
Low-code multi-agent. Fine below 20; not a 10k supervisor.
pip install praisonai
Open
github
3,200
SWE Eval Pack
Harness-aware evals. The pack that made the SWE-bench Pro finding operational.
Subscribe (usage) → hm install lattice/eval-pack-swe@1.9.0
$0.40
registry
3,100
Pi
Minimalist coding harness. One binary, many models.
cargo install pi-agent
Open
github
3,100
Injection Gate
Treat untrusted tool output as hostile. Fail closed.
hm install northstar/injection-gate@1.4.0
$16/mo
registry
3,100
Conductor
Mac workspace above several coding agents. Parallel worktrees, one board.
Download Conductor (macOS) → add Claude / Codex
$20/mo
lab
3,100
Accessibility
WCAG as a portable rubric. Fail the PR, do not 'add aria later'.
npx skills add a11y/wcag
Open
skills.sh
3,100
GraphQL
Schema first. No unchecked any on the resolver.
npx skills add graphql/strict
Open
skills.sh
3,100
PlanetScale MCP
MySQL branches and schema. Official.
claude mcp add planetscale --scope project
Open
mcp
3,100
Compact Loop
Summarise the middle of a long run. Keep the SHA of what mattered.
hm install lattice/compact-loop@0.4.1
Open
github
2,800
Harness Worker Agents
CI/CD worker agents with an agent marketplace of three trust tiers.
Subscribe Harness → enable Worker Agents
Enterprise
lab
2,800
HumanLayer
Approval plane as a product. The HITL router for people without Helix.
pip install humanlayer # or subscribe hosted
$15/mo
github
2,800
Hermes Agent
Nous Research harness. Open weights first; tools second.
pip install hermes-agent
Open
github
2,800
Ada
Support automation. Brand voice as a skill; escalation is HITL.
Subscribe Ada → connect the channels
Enterprise
lab
2,800
Relay.app
Human-in-the-loop workflows as a product. Approvals are the point.
Subscribe Relay → add an approval step
$20/mo
lab
2,800
Algorithmic Art
Seeded p5.js. Generative art that can be replayed.
npx skills add anthropics/skills --skill algorithmic-art
Open
lab
2,800
Helm
Charts, values, the upgrade that wipes the PVC.
npx skills add helm/strict
Open
skills.sh
2,800
Go Review
Context, error wrap, no naked goroutines in request paths.
npx skills add go/review
Open
skills.sh
2,800
Auth0
Tenant, app, the callback URL. Pair with the MCP.
npx skills add auth0/tenant
Open
skills.sh
2,800
D1
SQLite at the edge. Migrations are not a chat log.
npx skills add cloudflare/d1
Open
skills.sh
2,800
Confluence
Docs that are not Markdown. Pair with the Atlassian MCP.
npx skills add confluence/write
Open
skills.sh
2,800
Semgrep
SAST as a skill. Custom rules beat generic 'be secure'.
npx skills add semgrep/sast
Open
github
2,800
DuckDB MCP
Analytical SQL on files. Official MotherDuck server.
claude mcp add duckdb -- uvx mcp-server-motherduck
Open
github
2,800
Puppeteer MCP
Headless Chrome. Prefer Playwright MCP unless you already live here.
claude mcp add puppeteer -- npx puppeteer-mcp-server
Open
github
2,800
Semgrep MCP
Official SAST. Custom rules beat a generic 'be secure'.
claude mcp add semgrep -- uvx semgrep-mcp
Open
github
2,800
Airtable MCP
Bases and records. Community. Schema writes are HITL.
claude mcp add airtable -- npx airtable-mcp-server
Open
github
2,800
AG-UI
Agent–user protocol. CopilotKit's event stream for HITL UIs.
npm i @ag-ui/client
Open
github
2,800
LLM Guard
Input/output scanners. Protect AI's open kit.
pip install llm-guard
Open
github
2,800
Opik
Comet's LLM eval and trace product. Open source core.
pip install opik
Open
github
2,800
ADK Web
Browser debugger for Google ADK. The studio that ships with the kit.
adk web
Open
github
2,800
SQL Review
Migrations, grants, the queries that lock prod.
hm install northstar/sql-review@3.0.1
$22/mo
registry
2,400
Agensi
Curated, security-reviewed skills. Eight-point checklist.
agensi install <skill>
$12/mo
cli
2,400
Nimbalyst
Open visual workspace. Claude Code and Codex side by side. The board, not the loop.
Install Nimbalyst → attach harnesses
Open
lab
2,400
Agentless
The ablation: localisation, then patch, no agent loop. The floor.
Read the paper → run the scaffold
Open
github
2,400
Theme Factory
Ten professional palettes so the agent stops inventing lime on navy.
npx skills add anthropics/skills --skill theme-factory
Open
lab
2,400
i18n
Strings out of the tree. No hardcoded copy in the component.
npx skills add i18n/extract
Open
skills.sh
2,400
Rust Review
Unsafe, Send, the borrow the agent will fight. Fail closed.
npx skills add rust/review
Open
skills.sh
2,400
R2
S3-compatible objects. No egress theatre.
npx skills add cloudflare/r2
Open
skills.sh
2,400
Nix
Reproducible shells. flakes.lock is the pin.
npx skills add nix/flake
Open
skills.sh
2,400
Datadog
Monitors, SLOs, the night shift. Pair with the MCP.
npx skills add datadog/monitors
Open
skills.sh
2,400
Pinecone MCP
Hosted vectors. Official indexes and queries.
claude mcp add pinecone --scope project
$0.00
github
2,400
Pulumi MCP
Official stacks. Preview is not up.
claude mcp add pulumi --scope project
Open
mcp
2,400
Snyk MCP
Official dep and code scans.
claude mcp add snyk --scope project
$0.00/mo
github
2,400
Shopify MCP
Community store tools. Official path still settling — pin and review.
claude mcp add shopify -- npx shopify-mcp
Open
github
2,400
dbt MCP
Official models, tests, docs.
claude mcp add dbt -- uvx dbt-mcp
Open
github
2,400
MCP Landscape
Visual map of servers. landscape.mcphq.org — a directory, not a host.
Browse the landscape → pin at origin
Open
mcp
2,400
Laminar
Agent traces, SQL over the data, unlimited seats. Open core.
Subscribe Laminar → set the exporter
$0.00
lab
2,400
Cognee
Memory graphs for agents. ECL — extract, cognify, load.
pip install cognee
Open
github
2,400
garak
NVIDIA-adjacent LLM vulnerability scanner. The probe suite.
pip install garak && garak --target
Open
github
2,400
Mastra Studio
Local studio for Mastra graphs. The TS equivalent of ADK Web.
npx mastra studio
Open
github
2,400
OAuth
PKCE, refresh, the redirect URI. Do not invent an auth from a blog.
npx skills add oauth/pkce
Open
skills.sh
2,200
Incident SRE
Page, diagnose, patch, explain. Human-on-the-loop at high risk.
Subscribe (seat) → hm install helix/incident-sre@2.0.0
$28/mo
registry
2,100
ADR Loop
Architecture Decision Records as a skill. One file, one decision.
npx skills add lattice/adr-loop
Open
github
2,100
Kubernetes Repair
Manifest drift, crash loops, the 3am YAML.
hm install helix/k8s-repair@1.6.2
$18/mo
registry
2,100
Memory Compaction
Droids' memory pass, listed as an advance for other harnesses.
Subscribe Factory → enable memory compaction
$0.00
lab
2,100
Palantir AIP
Ontology-bound agents. The data model is the permission system.
Request AIP → bind the ontology
Enterprise
lab
2,100
Fine
Async coding agents in isolated VMs. Ticket in, PR out, review in Fine.
Subscribe Fine → connect the forge
$30/mo
lab
2,100
Agentman
Curated production skills. Practitioner-authored, spec-compliant.
Browse Agentman → install at origin
$0.00/mo
cli
2,100
Observability
Traces, metrics, logs. OTel first. Dashboards second.
npx skills add otel/genai
Open
skills.sh
2,100
Snyk
Dep and code scans. Do not ignore high to ship the demo.
npx skills add snyk/scan
Open
skills.sh
2,100
Everything MCP
Protocol test fixture. Prompts, resources, tools. Not production.
npx @modelcontextprotocol/server-everything
Open
github
2,100
Qdrant MCP
Official vector store. Self-host or cloud.
claude mcp add qdrant -- uvx mcp-server-qdrant
Open
github
2,100
Railway MCP
Official deploys. The PaaS as tools.
claude mcp add railway -- npx @railway/mcp-server
Open
github
2,100
Auth0 MCP
Official tenants and apps. Callback URLs are production.
claude mcp add auth0 -- npx @auth0/auth0-mcp-server
Open
github
2,100
Google Drive MCP
Archived reference. Prefer a vendor-maintained Drive server.
Review the archived server → prefer vendor
Open
github
2,100
mem0 MCP
Official persistent memory. Personalisation, not a vault.
claude mcp add mem0 -- uvx mem0-mcp
$0.00/mo
github
2,100
Sourcegraph MCP
Official code intel. The graph Amp already has, as tools.
claude mcp add sourcegraph --scope project
$0.00/mo
mcp
2,100
Lakera
Prompt-injection defense as a product. Fail closed.
Subscribe Lakera → wrap the untrusted channel
$0.00
lab
2,100
LangWatch
Observability and evals. EU-friendly option.
docker compose up # or LangWatch Cloud
$0.00/mo
github
2,100
VoltAgent
TypeScript agents with a supervisor story. Mid-size fleets.
npm i @voltagent/core
Open
github
2,100
Parallel
Web research API aimed at agents. Citations, not a SERP dump.
Subscribe Parallel → set the key
$0.00
lab
2,100
Prefix Lock
Stable system prompt prefix so the KV cache hits. Sister of the scheduler.
hm install lattice/prefix-lock@1.1.0
$0.00
registry
1,900
Budget Watch
Hourly fleet cap as a skill for harnesses Helix does not sit on.
hm install helix/budget-watch@1.2.0
$8.00/mo
registry
1,900
AutoCodeRover
Academic program-repair harness. Fine on SWE-bench; not an IDE.
pip install -e . && python -m auto_code_rover
Open
github
1,900
Moveworks
Employee-support agents on IT and HR systems. The ticket never leaves the graph.
Request Moveworks → bind IdP and ITSM
Enterprise
lab
1,900
Slack GIF Creator
Animated GIFs that fit Slack. Official frivolity.
npx skills add anthropics/skills --skill slack-gif-creator
Open
lab
1,900
PagerDuty
Page, ack, resolve. No auto-resolve from an agent.
npx skills add pagerduty/oncall
Open
skills.sh
1,900
Elasticsearch MCP
Official search and analytics. Cluster credentials are production.
claude mcp add elasticsearch --scope project
$0.00
github
1,900
Design Doc Loop
Writer → reviewer until zero open issues. Then a PR plan.
hm install meridian/design-doc-loop@1.1.0
Open
github
1,800
Eval Writing
How to write an eval that holds the model constant.
hm install helix/eval-writing@0.8.0
Open
registry
1,800
Sierra
Customer-facing agent platform. Voice and chat with a production SLA.
Request Sierra → bind the brand
Enterprise
lab
1,800
gitignore
.env, keys, the node_modules the agent will add to the tree.
npx skills add gitignore/strict
Open
skills.sh
1,800
Vault MCP
Official secrets. Read policies, not the root token.
claude mcp add vault --scope project
Open
github
1,800
PayPal MCP
Official agent toolkit. Money movement is HITL.
claude mcp add paypal --scope project
$0.00
github
1,800
Microsoft Teams MCP
Channels and messages. Community. Posting is HITL.
claude mcp add teams -- npx mcp-teams-server
Open
github
1,800
Graphiti MCP
Official temporal knowledge graphs. Zep's memory layer.
claude mcp add graphiti -- uvx graphiti-mcp
Open
github
1,800
Metabase MCP
Official BI questions. The warehouse stays in Metabase.
claude mcp add metabase --scope project
Open
mcp
1,800
Galileo
Eval and guardrails as a product. Enterprise desks.
Subscribe Galileo → instrument the loop
Enterprise
lab
1,800
Hatchet
Task queue with a UI. Self-host the supervisor-adjacent bit.
docker compose up # Hatchet
Open
github
1,800
PyRIT
Python Risk Identification Toolkit. Microsoft's red-team kit.
pip install pyrit
Open
github
1,800
Pydantic Graph
Typed graphs next to Pydantic AI. When the single agent is not enough.
pip install pydantic-graph
Open
github
1,800
You.com Search
Search API with citations. The other web tool.
Subscribe You.com → set the key
$0.00
lab
1,800
Changelog Discipline
Keep a ChangeLog the auditor can read. Keep the git log for humans.
npx skills add lattice/changelog-discipline
Open
github
1,600
gRPC
Protobuf, deadlines, the status codes. Not REST with a worse name.
npx skills add grpc/strict
Open
skills.sh
1,600
Incident
Declare, page, stop. No merge during SEV without HITL.
npx skills add incident/sev
Open
skills.sh
1,600
DBHub
One gateway, many SQL engines. Bytebase official.
claude mcp add dbhub -- npx -y @bytebase/dbhub
Open
github
1,600
Fly.io MCP
Official machines. Edge VMs as tools.
claude mcp add fly -- npx flymcp
Open
github
1,600
Readwise MCP
Official highlights. The reading list as memory.
claude mcp add readwise --scope project
Open
github
1,600
Twilio MCP
SMS and voice as tools. Sending is metered and HITL.
claude mcp add twilio --scope project
$0.00
mcp
1,600
Restate
Durable execution with object-shaped state. The other Temporal.
docker run restatedev/restate
Open
github
1,600
Giskard Scan
Automated LLM red-team. Sister of the eval listing.
pip install giskard && giskard scan
Open
github
1,600
Kong AI Gateway
API gateway that grew LLM policies. Use it if Kong is already the edge.
Enable AI Gateway plugins → route the harness
Enterprise
lab
1,600
BeeAI
IBM's agent stack. Watsonx-adjacent, open pieces.
pip install beeai
Open
github
1,600
Outlines JSON
JSON-mode that is actually a grammar. Pair with the schema gate.
pip install outlines # json schema
Open
github
1,600
Eval in CI
Harness as the independent variable, on every PR, cheap subset.
hm install lattice/eval-ci@0.3.0
Open
github
1,500
Deployment Guardian
Paid SKILL.md. CI gates, rollback, the boring production path.
skillhq install skillhq/deployment-guardian
$29
cli
1,400
Prompt Eval
How to score a prompt change. Hold the model; change one variable.
npx skills add eval/prompt
Open
skills.sh
1,400
Plaid MCP
Official bank data. Read transactions; do not move money.
claude mcp add plaid --scope project
$0.00
mcp
1,400
Todoist MCP
Tasks as tools. Community.
claude mcp add todoist -- npx todoist-mcp-server
Open
github
1,400
Amplitude MCP
Official product analytics. Events, not PII dumps.
claude mcp add amplitude --scope project
$0.00
mcp
1,400
MetaMCP
Aggregator middleware. One connection, many servers. Audit the hop.
npx metatool-app
Open
github
1,400
Rebuff
Open injection detector. Pair with the Northstar gate.
pip install rebuff
Open
github
1,400
OpenLIT
OTel-native LLM observability. Self-host.
docker compose up # OpenLIT
Open
github
1,400
Instructor Partial
Stream structured objects as they fill. Sister of the schema gate.
pip install instructor # enable partial
Open
github
1,400
MCP-Zero
Progressive tool disclosure when the catalog is hundreds deep.
Read the paper → pin progressive-disclosure
Open
github
1,200
Poolside
Frontier coding model plus a private-cloud harness. The lab is the runtime.
Request Poolside → bind the private runtime
Enterprise
lab
1,200
RFC Writing
One problem, one proposal, alternatives. Sister of ADR Loop.
npx skills add rfc/write
Open
skills.sh
1,200
Harness.io MCP
CI/CD, GitOps, the pipeline as tools. Official.
claude mcp add harness --scope project
Enterprise
github
1,200
QuickBooks MCP
Official books. Journal entries are HITL.
claude mcp add quickbooks --scope project
$0.00/mo
github
1,200
Mixpanel MCP
Official funnels and retention.
claude mcp add mixpanel --scope project
$0.00
mcp
1,200
JSON Schema Gate
Structured output that fails closed. No 'close enough' objects.
hm install lattice/json-schema-gate@0.9.0
Open
github
1,100
SBOM
CycloneDX / SPDX on the tree. Pair with the Northstar advance.
npx skills add sbom/cyclonedx
Open
skills.sh
1,100
Justfile
just as the task runner. Pair with Makefile; pick one.
npx skills add just/recipes
Open
skills.sh
1,100
Wiz MCP
Cloud posture. Official. The finding is not a merge.
claude mcp add wiz --scope project
Enterprise
mcp
1,100
Anyquery
SQL over 40 apps from one binary. Local-first.
anyquery mcp
Open
github
1,100
SendGrid MCP
Email send. Drafts only unless HITL.
claude mcp add sendgrid --scope project
$0.00
mcp
1,100
On-call Runbook
Page, diagnose, stop. No merge without HITL.
hm install helix/oncall-runbook@2.1.0
$24/mo
registry
960
Helix Supervisor
The 10³–10⁴ harness. Topology, budget, recovery, human-on-the-loop.
Request entitle → pin helix/helix-supervisor
Enterprise
registry
940
Cost Annotate
Label the expensive call. Token share is not the bill.
npx skills add cost/annotate
Open
skills.sh
900
Makefile
Targets the CI can call. No hidden global state in the recipe.
npx skills add make/strict
Open
skills.sh
900
Port MCP
Software catalog and scorecards. Official.
claude mcp add port --scope project
$0.00/mo
github
900
Square MCP
Official POS and payments. HITL on refunds.
claude mcp add square --scope project
$0.00
github
900
Zoom MCP
Official meetings. Schedule, do not record by default.
claude mcp add zoom --scope project
$0.00/mo
github
900
Netdata MCP
Official real-time infra metrics.
claude mcp add netdata --scope project
Open
github
900
1Password MCP
Community vault access. Official path still settling — treat as community.
claude mcp add 1password --scope project
Open
github
900
TrueFoundry
Gateway plus deployment. Enterprise AI platform, not a coding harness.
Subscribe TrueFoundry → point the harness
Enterprise
lab
900
Allowlist Loader
prodOnlySigned as code. Community trees never reach the worker.
hm install helix/allowlist-loader@1.0.2
$6.00/mo
registry
820
License Check
Licensee / REUSE. Do not ship GPL into the proprietary harness.
npx skills add license/reuse
Open
skills.sh
800
CrowdStrike MCP
Official Falcon detections. SOC read, not isolate-host.
claude mcp add falcon --scope project
Enterprise
github
800
MCPJungle
Self-hosted enterprise registry. Pin internally.
docker compose up # MCPJungle
Open
github
800
Segment MCP
CDP events. Do not invent a tracking plan.
claude mcp add segment --scope project
$0.00
mcp
800
SBOM Sign
Sign the tree, attach SPDX, refuse unsigned in prod.
hm install northstar/sbom-sign@2.0.0
$0.01
registry
740
Hub-Spoke Topology
Refuse mesh above 80 agents. Force a hub. Save the token budget.
Subscribe (seat) → hm install helix/hub-spoke-supervisor@1.1.0
$20/mo
registry
720
SOC 2 Agent Evidence
Trace-to-control mapping. The auditor's view of the fleet.
Request entitle → pin northstar/compliance-soc2
Enterprise
registry
640
A2ASearch MCP
Search MCP servers, agents, and CLIs by capability.
claude mcp add a2asearch -- npx a2asearch-mcp
Open
github
600
Human-on-the-Loop Router
Risk decides who is in the loop. Not a global pause button.
Request entitle → pin helix/hitl-router
Enterprise
registry
510
Migration Playbook
Move a fleet from one harness to another without losing attribution.
Buy once → hm install lattice/migration-playbook@0.9.1
$2,400
registry
420
Shapley-lite Attribution
How much percent of each harness. Approximate marginal contribution, weekly.
Request entitle → pin helix/shapley-attribution
Enterprise
registry
380
Fast Commit
Unsigned community pack. Commits without a review harness. Denied in prod.
hm install lattice/fast-commit@0.1.0
Open
registry
86
Meridian Loop
Internal plan → work → review loop. The buyer's own harness.
Request entitle → pin meridian/meridian-loop
Enterprise
registry
12