402 Index MCP Server

@ryanthegentry

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作者

ryanthegentry

投稿者

Ryan Gentry

402 Index MCP Server について

MCP server for 402 Index: discover 15,000+ paid API endpoints across the L402, x402, and MPP protocols

#lightning #bitcoin #mcp #mpp #api-discovery #l402 #paid-api #model-context-protocol #mcp-server #x402 #agentic-commerce #agent-commerce #agentic-payments #agent-payments #base #tempo #solana

402 Index MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

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

402 Index MCP Server のツール

Search and filter paid API services in the 402 Index directory. Returns services with health status, pricing, and protocol info. Includes `related_protocols` array showing other payment rails for the same URL.

Get full details for a single service including health check history, pricing, and schema information. Includes `related_services` array with sibling payment rail details.

List all service categories with counts. Example: "What categories of paid APIs are available?"

Get overall directory health and stats: total services, breakdown by protocol/health/source, and sync timestamps. Example: "How many services are in the directory?"

概要

What is 402 Index MCP Server?

The 402 Index MCP Server gives AI agents programmatic access to search, filter, and evaluate over 15,000 paid API endpoints across the L402 (Lightning), x402 (Coinbase/Solana), and MPP (Stripe/Tempo) protocols. It is designed for developers and agents that need to discover and assess paid APIs before spending money, with real-time health monitoring and detailed pricing information.

How to use 402 Index MCP Server?

Install and run the server via npx @402index/mcp-server. Add it to Claude Desktop, Claude Code, or Cursor by placing the command in the respective configuration file (e.g., claude_desktop_config.json or .cursor/mcp.json). No API key is required. Optionally set the INDEX_URL environment variable to point to a different base URL.

Key features of 402 Index MCP Server

Search over 15,000 paid API endpoints by keyword, protocol, category, and health status.
Retrieve full service details including health history, latency, pricing, and payment verification.
Browse all API categories with per‑protocol endpoint counts.
Directory‑wide health stats, protocol breakdown, and sync timestamps.
Every endpoint is health‑checked hourly with latency and reliability scoring.

Use cases of 402 Index MCP Server

Discover healthy, affordable L402 APIs for weather data under $0.01.
Compare paid inference APIs from providers like OpenAI, Anthropic, and Replicate by uptime.
Find all podcast‑related paid APIs across protocols.
Explore which API categories have the most available endpoints.

よくある質問

What protocols does 402 Index MCP Server cover?

It covers L402 (Bitcoin Lightning micropayments, 477 endpoints), x402 (USDC on Base/Solana, 14,478 endpoints), and MPP (fiat machine payments with Stripe/Tempo, 488 endpoints).

How often are endpoints health‑checked?

Every endpoint is health‑checked hourly, with latency measurements and reliability scoring.

How do I install the server?

Run `npx @402index/mcp-server`. For Claude Desktop, add the command to `claude_desktop_config.json`. For Claude Code, use `claude mcp add 402index -- npx @402index/mcp-server`. For Cursor, add it to `.cursor/mcp.json`.

What tools does the server provide?

The server exposes four tools: `search_services`, `get_service_detail`, `list_categories`, and `get_directory_stats`.

Where can I find more documentation?

The 402 Index website is at https://402index.io, with API docs, an OpenAPI spec, and an llms.txt file available there.

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