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Crypto pay links and API for people and AI agents. BTC, Lightning, USDC, USDT, EURC, SOL, ETH.
npx @getmcp/cli add io.github.send21io/mcpRequires Node.js 18+. Community-contributed server. Review source before installing.
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.send21io/mcp": {
"url": "https://send21.io/mcp",
"transport": "streamable-http",
"headers": {
"Authorization": ""
}
}
}
}