x402 Micro Tollgate

Package (npm 0.3.3)

npx -y [email protected]

Or add to your MCP client config:

{
  "mcpServers": {
    "x402-micro-tollgate": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "CDP_API_KEY_ID": "<YOUR_VALUE>",
        "CDP_API_KEY_SECRET": "<YOUR_VALUE>",
        "X402_PAY_TO": "<YOUR_VALUE>",
        "UPSTREAM_URL": "<YOUR_VALUE>",
        "PRICE": "<YOUR_VALUE>",
        "NETWORK": "<YOUR_VALUE>",
        "X402_ENVIRONMENT": "<YOUR_VALUE>"
      }
    }
  }
}

• CDP_API_KEY_ID secret — Coinbase CDP API key ID for the x402 facilitator
• CDP_API_KEY_SECRET secret — Coinbase CDP API key secret for the x402 facilitator
• X402_PAY_TO — EVM address that receives USDC settlements
• UPSTREAM_URL — Upstream HTTP API to proxy after payment (omit for built-in mock)
• PRICE — Dollar price per paid call, e.g. $0.001
• NETWORK — CAIP-2 network id (eip155:84532 Base Sepolia or eip155:8453 Base)
• X402_ENVIRONMENT — development or production

This server takes extra arguments — see its repository.