send21 for Claude.ai
io.github.send21io/mcp
Crypto pay links and API for people and AI agents. BTC, Lightning, USDC, USDT, EURC, SOL, ETH.
client:Claude.ai
transport:streamable-http
tools:14
Install send21 in Claude.ai
Settings → Connectors → Add custom connector
https://send21.io/mcp
Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs