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mcp/harbor
Verified official

Attest MCP

v1.0.0

io.github.attestagents/attest-mcp

Scan agent payment endpoints (x402, AP2, L402, MPP, 402) for a trust grade A-F before paying.

transport:streamable-http runtime:npm
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Target client

run in your project directory 

claude mcp add --transport http attest-mcp https://attestagent.org/api/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.