Boo X402 MCP Server

by lucle87io.github.lucle87/boo-x402-mcpv1.0.1

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

0Node.jsstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Maintained3mo ago

Install Boo X402 MCP server

claude mcp add boo-x402 -e WALLET_PRIVATE_KEY='<wallet-private-key>' -- npx -y boo-x402-mcp

{
  "mcpServers": {
    "boo-x402": {
      "command": "npx",
      "args": [
        "-y",
        "boo-x402-mcp"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<wallet-private-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "boo-x402": {
      "command": "npx",
      "args": [
        "-y",
        "boo-x402-mcp"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<wallet-private-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "boo-x402": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "boo-x402-mcp"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<wallet-private-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "boo-x402": {
      "command": "npx",
      "args": [
        "-y",
        "boo-x402-mcp"
      ],
      "env": {
        "WALLET_PRIVATE_KEY": "<wallet-private-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
WALLET_PRIVATE_KEY	yes	yes	Private key of a wallet holding USDC on Base. Stays on your machine.
MAX_USD_PER_CALL	—	—	Max USD per single call (default 0.05).
MAX_USD_TOTAL	—	—	Max USD per session (default 5).

Freshness

Maintained — last maintenance signal 3mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-07-12 · 3mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-07-11 · 3mo ago · official registry · v1.0.1

FAQ

›How do I install the Boo X402 MCP server in Claude Code?

Run: claude mcp add boo-x402 -e WALLET_PRIVATE_KEY='<wallet-private-key>' -- npx -y boo-x402-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Boo X402 require an API key?

Yes. It expects WALLET_PRIVATE_KEY, of which 1 is a secret.

›Can I use Boo X402 as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Boo X402 in the official MCP registry?

Yes, as io.github.lucle87/boo-x402-mcp.