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mcp/harbor
Verified official

Witness MCP

v0.3.0

io.github.tfitzgerwitness/witness

Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.

transport:streamable-http

Target client

run in your project directory 

claude mcp add --transport http witness https://witness-contractwitness-production.witness-test.workers.dev/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.