x402-agent-kit MCP Server

Integration materials for calling nine pay-per-call data APIs for AI agents — no API keys, no signup, USDC on Base via the x402 protocol. By Jebadiah.

Local serverstdio

What is the x402-agent-kit MCP Server?

x402-agent-kit is an MCP project maintained in the samgouffsm-crypto/x402-agent-kit repository. The maintainer describes its purpose as “Integration materials for calling nine pay-per-call data APIs for AI agents — no API keys, no signup, USDC on Base via the x402 protocol. By…”. Read the project documentation for the complete scope.

Local setup

The project provides a local client configuration using node. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.

Configuration values

The example declares X402_PRIVATE_KEY. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

How to install the x402-agent-kit MCP Server

{
  "mcpServers": {
    "x402-services": {
      "command": "node",
      "args": [
        "<repo>/mcp-server/dist/index.js"
      ],
      "env": {
        "X402_PRIVATE_KEY": "YOUR_X402_PRIVATE_KEY"
      }
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.