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OnlyHarness

Search, inspect, pull, and publish reusable AI-agent harnesses from OnlyHarness.

Connect to Claude Code

Copy

claude mcp add --transport http onlyharness https://onlyharness.com/mcp

Vendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.

Endpoints

Published in the official MCP registry as “OnlyHarness”. Verified through the vendor namespace.