How do I install X402?

X402 is a local plugin. Install it using npm package: x402node-mcp and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

Yes. X402 passed MCP Marketplace's automated security scan with a score of 10/10 (low risk). Every server on MCP Marketplace is security-scanned before it's listed; see the full security report on this page for the findings and permissions.

What credentials does X402 need?

X402 requires the following credentials or environment variables: X402_PRIVATE_KEY. You can find setup instructions on the server detail page.

What AI apps work with X402?

X402 uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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X402 MCP Server

by X402node

Developer ToolsLow Risk10.0MCP RegistryLocal

Free

Server data from the Official MCP Registry

600+ pay-per-call x402 APIs: crypto/forex, on-chain data, web extract, aviation. Base+Solana USDC.

About

600+ pay-per-call x402 APIs: crypto/forex, on-chain data, web extract, aviation. Base+Solana USDC.

Security Report

10.0

Low Risk10.0Low Risk

Valid MCP server (3 strong, 4 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry.

4 files analyzed · 1 issue found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

What You'll Need

Set these up before or after installing:

Base mainnet wallet private key (0x-prefixed hex) used to pay x402 endpoints in USDC. Keep a small USDC balance. Use a burner wallet.Required

Environment variable: X402_PRIVATE_KEY

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-x402node-x402-mcp": {
      "env": {
        "X402_PRIVATE_KEY": "your-x402-private-key-here"
      },
      "args": [
        "-y",
        "x402node-mcp"
      ],
      "command": "npx"
    }
  }
}

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Local

X402 MCP Server

About

Security Report

Findings (1)

Permissions Required

What You'll Need

How to Install

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Findings (1)

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