MCPs › Data & APIs › callspec
Provides an MCP server that automatically exposes API routes as MCP tools with input validation and authentication, enabling AI agents to call the same handlers as HTTP RPC.
Not monetized yet
Turn callspec’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
Install callspec
For anyone using callspec — no Lulu account needed# stdio server — install per the repository README: https://github.com/logfoxai/callspec
Real-time weather for any city, built on the lulu-ads widget gallery. First-party, free forever.
View server →FAQ
callspec 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 callspec — 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/callspec)