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Claude.ai

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

What Claude.ai can do once it is connected

send21 in other clients