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mcp/harbor
Cline

send21 for Cline

io.github.send21io/mcp

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

client:Cline transport:streamable-http tools:9

Install send21 in Cline

~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json · windows: %APPDATA%\Code\User\globalStorage\saoudrizwan.claude-dev\settings\cline_mcp_settings.json 

{
  "mcpServers": {
    "mcp": {
      "url": "https://send21.io/mcp"
    }
  }
}

Cline's MCP Servers pane edits this file for you if you would rather not find it. Cline docs

What Cline can do once it is connected

send21 in other clients

send21 MCP server