MCPs › Public MCP Exam Server
Exposes a single tool solve_challenge that reads the X-Exam-Challenge HTTP header and returns the first 16 hex characters of SHA-256 of the challenge with a domain suffix.
Not monetized yet
Turn Public MCP Exam Server’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
Install Public MCP Exam Server
For anyone using Public MCP Exam Server — no Lulu account needed# stdio server — install per the repository README: https://github.com/moulindaris/mcp-server
9 field-tested tactics as a designed playbook plus skills your coding agent can run. Free.
Get the Kit →FAQ
Public MCP Exam Server 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.
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This is for the person who owns Public MCP Exam Server — 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/public-mcp-exam-server)