MCPs › Data & APIs › MCPGuard-Lab
A security research MCP server for testing tool call safety with deterministic policies like allowlists, path boundary enforcement, SSRF prevention, output redaction, and prompt injection detection, without requiring external LLMs or API keys.
Not monetized yet
Turn MCPGuard-Lab’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
Install MCPGuard-Lab
For anyone using MCPGuard-Lab — no Lulu account needed# stdio server — install per the repository README: https://github.com/lc517/mcpguard-lab
9 field-tested tactics as a designed playbook plus skills your coding agent can run. Free.
Get the Kit →FAQ
MCPGuard-Lab 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 MCPGuard-Lab — 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/mcpguard-lab)