MCPs › Data & APIs › mcp-hardened
A deliberately small MCP server that demonstrates security hardening against the OWASP MCP Top 10 with tools for file search, record queries, and document fetching, each defended against path traversal, SQL injection, and SSRF.
Not monetized yet
Turn mcp-hardened’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
Install mcp-hardened
For anyone using mcp-hardened — no Lulu account needed# stdio server — install per the repository README: https://github.com/nu1lstep/mcp-hardened
9 field-tested tactics as a designed playbook plus skills your coding agent can run. Free.
Get the Kit →FAQ
mcp-hardened 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 mcp-hardened — 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/mcp-hardened)