MCPs › Finance › x402 MCP Demo
A minimal demo of the x402 payment protocol protecting an MCP tool endpoint, showing how to charge for MCP tools using real 402 rejections and testnet payments.
Not monetized yet
Turn x402 MCP Demo’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
Install x402 MCP Demo
For anyone using x402 MCP Demo — no Lulu account needed# stdio server — install per the repository README: https://github.com/thinkflow-ro/x402-mcp-demo
Real-time weather for any city, built on the lulu-ads widget gallery. First-party, free forever.
View server →FAQ
x402 MCP Demo installs from source — follow the repository README.
Unrated out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.
Similar servers
Works well together
Your server?
This is for the person who owns x402 MCP Demo — adds Lulu Ads to your own code. Not the install steps above, those are for your users.
Copies a ready prompt: your coding agent installs the lulu-ads SDK, wires the slot, and applies the widget design guide.
or set up manually at getlulu.dev/publishers
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Managed hosting with monetization built in — waitlist.
[](https://getlulu.dev/mcps/x402-mcp-demo)