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Mcp X402 Pay

MCP server · by CryptoAPIs-io

Web APIs npm v0.5.3

MCP server that pays x402-gated HTTP endpoints — fetch, and on a 402 authorize, sign, retry

View source ↗ More servers

Install

Run one of the commands below, then add the client config underneath.

npmnpx -y @cryptoapis-io/mcp-x402-pay

Client configuration

Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.

mcpServers{
  "mcpServers": {
    "mcp-x402-pay": {
      "command": "npx",
      "args": [
        "-y",
        "@cryptoapis-io/mcp-x402-pay"
      ]
    }
  }
}

About this server

Mcp X402 Pay is listed in the Web APIs category of the MCPNav directory. It is distributed as npm and can be loaded by any client that speaks the Model Context Protocol.

Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.

Frequently asked questions

What is the Mcp X402 Pay MCP server?

Mcp X402 Pay is an MCP server by CryptoAPIs-io. MCP server that pays x402-gated HTTP endpoints — fetch, and on a 402 authorize, sign, retry

How do I install Mcp X402 Pay?

Install it with: npx -y @cryptoapis-io/mcp-x402-pay. Then add the JSON config to your client's MCP settings and restart the client.

Is Mcp X402 Pay free to use?

The MCP server itself is free to install. The source is public on https://github.com/CryptoAPIs-io/cryptoapis-mcp-x402-pay. Any third-party API it calls (such as a search or maps API) may require its own key and billing.

Which clients support Mcp X402 Pay?

Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.