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dev.workers.sebastiaan-ba3.x402gen/tools · v1.0.0

Free x402 payment-challenge generator with Express/Hono snippets; paid tier adds more frameworks.

Connect Remote server

Terminal
claude mcp add --transport http tools https://x402gen.sebastiaan-ba3.workers.dev/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "tools": {
      "url": "https://x402gen.sebastiaan-ba3.workers.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "tools": {
      "type": "http",
      "url": "https://x402gen.sebastiaan-ba3.workers.dev/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://x402gen.sebastiaan-ba3.workers.dev/mcp

Tools 2 found in our last check

  • generate_x402_challenge

    Build a spec-compliant x402 v2 payment challenge (402 response body) from a price, wallet and network. Returns the challenge JSON, the base64 PAYMENT-REQUIRED header value, a curl test command, and free code snippets (Cloudflare Worker, Express) to return it. Free, no auth. Pre-…

  • generate_x402_challenge_full

    Same as generate_x402_challenge plus 5 more framework snippets (FastAPI, Next.js, Django, Go, Rails, raw Node) and a ready /.well-known/x402.json manifest. Requires payment (USDC on Base, x402) -- NOT callable for free over MCP. Calling this tool returns the exact HTTP request t…

Details

Endpointhttps://x402gen.sebastiaan-ba3.workers.dev/mcp (Streamable HTTP)
First published12 Nov 2026
Last updated12 Nov 2026
Registry namedev.workers.sebastiaan-ba3.x402gen/tools

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