v1.0.0: x402 Service Discovery MCP Server

x402 Service Discovery MCP Server v1.0.0

Discover, evaluate, and route across 251+ x402-enabled payment services. The community discovery layer for the x402 agentic economy.

6 MCP Tools

Tool	Cost	Description
x402_discover	$0.001 USDC	Semantic search across 251+ services
x402_browse	Free	Browse catalog by category
x402_health	Free	Real-time uptime + latency check
x402_register	Free	Register a new x402 service
x402_attest	Free	Signed EdDSA quality attestation (ERC-8004)
x402_facilitator_check	Free	Pre-payment facilitator compatibility

Features

• 251+ indexed x402 services, auto-updated every 6h
• Real-time health monitoring (uptime %, avg latency ms)
• ERC-8004 signed attestations via EdDSA JWT with JWKS verification
• Facilitator compatibility checks before payment commits
• Smart routing via x402 RouteNet (cheapest, fastest, most trusted)
• No configuration required — connects instantly, zero setup

Quick Install

Claude Desktop / MCP clients:

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

Or with npx:

npx -y @rplryan/x402-discovery-mcp

Live API

https://x402-discovery-api.onrender.com

MCP Directory

• Smithery: https://smithery.ai/server/rplryan/x402-discovery-mcp
• Glama: https://glama.ai/mcp/servers/@rplryan/x402-discovery-mcp