mcp-x402

local MCP server

Installation

Terminal

claude mcp add io-github-codespar-mcp-x402 -e X402_API_KEY=... -- npx -y @codespar/mcp-x402

Run in your project folder. Add --scope user to use it everywhere.

Claude Desktop, Cursor & other clients

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "io-github-codespar-mcp-x402": {
      "command": "npx",
      "args": [
        "-y",
        "@codespar/mcp-x402"
      ],
      "env": {
        "X402_API_KEY": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

Summary

DEPRECATED: no live endpoint (api.x402.org does not resolve)

Questions

mcp-x402 is a local MCP server distributed as the npm package @codespar/mcp-x402.

Run: claude mcp add io-github-codespar-mcp-x402 -e X402_API_KEY=... -- npx -y @codespar/mcp-x402

Run: codex mcp add io-github-codespar-mcp-x402 --env X402_API_KEY=... -- npx -y @codespar/mcp-x402

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