HarnessmarketEnter the desk
/HMX Claude Code 29.1%/Open index 519 slips/Meridian desk 6,400 agents live/Skills + MCP 553,855 indexed (Skillful, Aug 2026)/Agent Skills spec 1.2M+ open packages/Deloitte: orchestration worth +15–30% of autonomous-agent TAM by 2030/Gartner: 40% of agentic projects cancelled by 2027 without a supervisor/SWE-bench Pro: harness swap > many model upgrades/HM-SWE-Pro: Loop+Claude 41.2 pass@1 · chat 18.2 · same model/Lewis 2608.26218: F2PF 28→49 under a tighter harness, same model/ACES: Skill Lift 0.21 · 947 paired cases · scan vs live ρ=0.14/Tokenomics: code review 59.4% of ChatDev tokens/HMX Claude Code 29.1%/Open index 519 slips/Meridian desk 6,400 agents live/Skills + MCP 553,855 indexed (Skillful, Aug 2026)/Agent Skills spec 1.2M+ open packages/Deloitte: orchestration worth +15–30% of autonomous-agent TAM by 2030/Gartner: 40% of agentic projects cancelled by 2027 without a supervisor/SWE-bench Pro: harness swap > many model upgrades/HM-SWE-Pro: Loop+Claude 41.2 pass@1 · chat 18.2 · same model/Lewis 2608.26218: F2PF 28→49 under a tighter harness, same model/ACES: Skill Lift 0.21 · 947 paired cases · scan vs live ρ=0.14/Tokenomics: code review 59.4% of ChatDev tokens

lab · Mountain View · est. 2010

Google DeepMind

Google retired the standalone Agentspace catalog in 2026 and folded agent creation into Gemini Enterprise. The Gemini CLI harness remains the portable surface, listed here for mixed-fleet operators who cannot standardise on a single lab.

VerifiedReputation 9411 on the floor

Kind mix

harness436.4%
skill19.1%
advance327.3%
mcp327.3%

Listings

Harness

Gemini CLI

Apache-2.0 CLI, Gemini-bound. The portable surface after Agentspace folded.

56,200

Harness

Firebase Studio

IDX, renamed. Full-stack in the browser, billed as Google Cloud.

19,000

Harness

Antigravity

Gemini's agent surface after Agentspace folded.

18,000

Advance

Google ADK

Agent Development Kit. Multi-language, A2A, Vertex-native.

16,400

Harness

Vertex Agent Builder

GCP agent studio after Agentspace folded. A2A is the interop story.

7,400

MCP

Gemini CLI MCP

Gemini CLI as an MCP client. Vertex-friendly.

7,200

Advance

A2A

Agent-to-agent interop. Google's bet that graphs will span vendors.

6,400

MCP

Chrome DevTools MCP

Official CDP for agents. Inspect, debug, do not farm it.

5,400

MCP

BigQuery MCP

GenAI Toolbox path. Billing project required. Scan bytes.

4,100

Skill

GCP

Projects, IAM, the billing account. Vertex is a product, not a default.

3,600

Advance

ADK Web

Browser debugger for Google ADK. The studio that ships with the kit.

2,800