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Finance and crypto

Boo X402 Mcp

io.github.lucle87/boo-x402-mcp ยท v1.0.1

Pay-per-call crypto data for AI agents. USDC on Base via x402. No API key.

Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add boo-x402-mcp -e WALLET_PRIVATE_KEY=<WALLET_PRIVATE_KEY> -e MAX_USD_PER_CALL=<MAX_USD_PER_CALL> -e MAX_USD_TOTAL=<MAX_USD_TOTAL> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "boo-x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<WALLET_PRIVATE_KEY>",
        "MAX_USD_PER_CALL": "<MAX_USD_PER_CALL>",
        "MAX_USD_TOTAL": "<MAX_USD_TOTAL>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "boo-x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<WALLET_PRIVATE_KEY>",
        "MAX_USD_PER_CALL": "<MAX_USD_PER_CALL>",
        "MAX_USD_TOTAL": "<MAX_USD_TOTAL>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "boo-x402-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<WALLET_PRIVATE_KEY>",
        "MAX_USD_PER_CALL": "<MAX_USD_PER_CALL>",
        "MAX_USD_TOTAL": "<MAX_USD_TOTAL>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
WALLET_PRIVATE_KEY
Required, secret		Private key of a wallet holding USDC on Base. Stays on your machine.
MAX_USD_PER_CALL
Optional		Max USD per single call (default 0.05).
MAX_USD_TOTAL
Optional		Max USD per session (default 5).

Details

Package[email protected] (NPM, stdio)
First published11 Jul 2026
Last updated11 Jul 2026
Registry nameio.github.lucle87/boo-x402-mcp

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