PluginBench
MCP Server

io.github.x402node/x402-mcp MCP Server

io.github.x402node/x402-mcp

RepositoryRegistry

What is the io.github.x402node/x402-mcp MCP server?

Exposes 100+ x402-paid APIs as MCP tools via auto-discovery from Coinbase Bazaar. USDC on Base.

How to install io.github.x402node/x402-mcp

Copy-paste configuration for popular MCP clients.

transport: stdio
Config generated by PluginBench — verify against the source before use.
Environment / auth
  • X402_PRIVATE_KEY
    required
    secret

    Base EOA private key (hex, 0x-prefixed) with USDC for signing x402 payments

Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "x402node-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<YOUR_X402_PRIVATE_KEY>"
      }
    }
  }
}
Cursor
~/.cursor/mcp.json
{
  "mcpServers": {
    "x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "x402node-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<YOUR_X402_PRIVATE_KEY>"
      }
    }
  }
}
Windsurf
~/.codeium/windsurf/mcp_config.json
{
  "mcpServers": {
    "x402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "x402node-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<YOUR_X402_PRIVATE_KEY>"
      }
    }
  }
}
VS Code
.vscode/mcp.json
{
  "servers": {
    "x402-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "x402node-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<YOUR_X402_PRIVATE_KEY>"
      }
    }
  }
}
Claude Code
claude mcp add x402-mcp --env X402_PRIVATE_KEY=<YOUR_X402_PRIVATE_KEY> -- npx -y x402node-mcp

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