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mcp/harbor
Verified official

send21 MCP

v1.0.0

io.github.send21io/mcp

Non-custodial payment drafts/pay links for BTC, USDC, USDT, EURC. Never holds keys.

transport:streamable-http
View source Website

Target client

run in your project directory 

claude mcp add --transport http mcp https://send21.io/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.