x402 Facilitator Proxy MCP Server: Install & Setup

Install x402 Facilitator Proxy in Claude Code

Claude Code

claude mcp add x402-facilitator-proxy -- npx -y x402-facilitator-proxy

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "x402-facilitator-proxy": {
      "command": "npx",
      "args": [
        "-y",
        "x402-facilitator-proxy"
      ]
    }
  }
}

Frequently asked questions

What does the x402 Facilitator Proxy MCP server do?

Multi-tenant HTTP 402 infrastructure gateway and stdio MCP server for machine payments.

Is the x402 Facilitator Proxy MCP server free?

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Does x402 Facilitator Proxy run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add x402 Facilitator Proxy to Claude Code?

Run: claude mcp add x402-facilitator-proxy -- npx -y x402-facilitator-proxy

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