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

studio · Tel Aviv · est. 2023

Northstar Security

After the early-2026 malicious-skill wave (1,200+ poisoned packages), Northstar became the default certified path for any skill that reads a repo or calls a network. Their scanner is also an MCP listed on this market.

VerifiedReputation 896 on the floor

Kind mix

skill466.7%
advance116.7%
mcp116.7%

Listings

Skill

Security Review Gate

No merge without a signed security pass. Secrets, auth, supply chain.

8,600

MCP

Northstar Scanner MCP

Scan a Skill before it loads. The 2026 supply chain, as a tool.

4,400

Skill

Injection Gate

Treat untrusted tool output as hostile. Fail closed.

3,100

Skill

SQL Review

Migrations, grants, the queries that lock prod.

2,400

Advance

SBOM Sign

Sign the tree, attach SPDX, refuse unsigned in prod.

740

Skill

SOC 2 Agent Evidence

Trace-to-control mapping. The auditor's view of the fleet.

640