X402node MCP Server

by x402nodeio.github.x402node/x402-mcpv1.0.4

Hundreds of x402-paid APIs as MCP tools, auto-discovered from Coinbase Bazaar. USDC on Base+Solana.

1Node.jsstdioofficial registry

context tax

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security

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cold start

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freshness

Maintained3mo ago

Install X402node MCP server

claude mcp add x402node -e X402_PRIVATE_KEY='<x402-private-key>' -- npx -y x402node-mcp

{
  "mcpServers": {
    "x402node": {
      "command": "npx",
      "args": [
        "-y",
        "x402node-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<x402-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "x402node": {
      "command": "npx",
      "args": [
        "-y",
        "x402node-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<x402-private-key>"
      }
    }
  }
}

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

{
  "servers": {
    "x402node": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "x402node-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<x402-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "x402node": {
      "command": "npx",
      "args": [
        "-y",
        "x402node-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<x402-private-key>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
X402_PRIVATE_KEY	yes	yes	Base EOA private key (hex, 0x-prefixed) with USDC for signing x402 payments

Freshness

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

Last commit (default branch)
2026-07-18 · 3mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-07-18 · 3mo ago · official registry · v1.0.4

FAQ

›How do I install the X402node MCP server in Claude Code?

Run: claude mcp add x402node -e X402_PRIVATE_KEY='<x402-private-key>' -- npx -y x402node-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does X402node require an API key?

Yes. It expects X402_PRIVATE_KEY, of which 1 is a secret.

›Can I use X402node as a remote (hosted) MCP server?

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

›Is X402node in the official MCP registry?

Yes, as io.github.x402node/x402-mcp.