P402 Protocol MCP Server: Install & Setup

Install P402 Protocol in Claude Code

Claude Code

claude mcp add p402-protocol -e P402_API_KEY=... -- npx -y @p402/mcp-server

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

{
  "mcpServers": {
    "p402-protocol": {
      "command": "npx",
      "args": [
        "-y",
        "@p402/mcp-server"
      ],
      "env": {
        "P402_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the P402 Protocol MCP server do?

Multi-provider AI router with x402 micropayment settlement on Base L2. 1% flat fee.

Is the P402 Protocol MCP server free?

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

Does P402 Protocol run locally or remotely?

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

How do I add P402 Protocol to Claude Code?

Run: claude mcp add p402-protocol -e P402_API_KEY=... -- npx -y @p402/mcp-server

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