402index

About 402index

Use 402index with your agent

claude mcp add 402index -- npx -y @402index/mcp-server

{
  "mcpServers": {
    "402index": {
      "command": "npx",
      "args": [
        "-y",
        "@402index/mcp-server"
      ]
    }
  }
}

Frequently asked questions

What is 402index?

402index is an MCP (Model Context Protocol) server by ryanthegentry in the Search category. Search 15,000+ paid API endpoints across the L402, x402, and MPP protocols on 402index.io

How do I connect 402index to Claude, Cursor, or another MCP client?

Install 402index from its npm package (@402index/mcp-server) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.

Is 402index open source?

Yes — the source code is public at github.com/ryanthegentry/402index.

Can AI agents pay to use 402index?

Not yet through Loomal — 402index is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.