NestDaddy

PennyRail Transaction Router

io.github.clay-swartz/pennyrail ยท v0.9.0

Find and quote agent capabilities, then pay only the selected x402 execution URL.

Connect Remote server

Terminal
claude mcp add --transport http pennyrail https://pennyrail.vercel.app/api/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "pennyrail": {
      "url": "https://pennyrail.vercel.app/api/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "pennyrail": {
      "type": "http",
      "url": "https://pennyrail.vercel.app/api/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://pennyrail.vercel.app/api/mcp

Tools

The tool list was not available in our last check.

Details

Endpointhttps://pennyrail.vercel.app/api/mcp (Streamable HTTP)
First published31 Aug 2026
Last updated31 Aug 2026
Registry nameio.github.clay-swartz/pennyrail

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