X402 Discovery MCP Server

⭐ Star to help others find this — if x402Scout has saved you time, a star helps other developers find it

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What is the X402 Discovery MCP Server?

X402 Service Discovery is an MCP project maintained in the rplryan/x402-discovery-mcp repository. The maintainer describes its purpose as “⭐ Star to help others find this — if x402Scout has saved you time, a star helps other developers find it”. Read the project documentation for the complete scope.

Local setup

The project provides a local client configuration using docker. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

Tool	What it does
x402_discover	Semantic search across the live catalog by keyword, category, max price
x402_health	Real-time uptime + latency check for any registered service
x402_register	Register a new x402 service (HTTPS-only, rate-limited)
x402_attest	ERC-8004 trust score and reputation signals for a service
x402_scan	Full x402 compliance scan: live config, trust score, mismatch detection
scout_route	Discover best service for an intent + execute x402 payment
scout_discover	Query discovery catalog without executing
scout_execute	Execute x402 payment to a known service URL
scout_audit	View agent spend log and budget status

How to install the X402 Discovery MCP Server

{
  "mcpServers": {
    "x402-discovery": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/rplryan/x402-discovery-mcp:latest"
      ]
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.