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mcp/harbor
Verified official

KHOTEM — Cryptographic Witness MCP

v1.9.9

com.khotem/khotem-witness

Paid cryptographic witness for agents: seal, attest, receipts. x402 USDC/Base.

transport:streamable-http
Website

Target client

run in your project directory 

claude mcp add --transport http khotem-witness https://khotem.com/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.