Best Security MCP servers, ranked by reliability
Secret scanning, vulnerability feeds, SAST, and auth. The guardrail layer for agent-driven operations. Below: the top 1 security MCP servers on MCPfinder right now, ranked by our public reliability score: the same number you'd use to decide if something belongs in production.
- 180/100Pantheon-Security/notebooklm-mcp-secureA security-hardened NotebookLM MCP server with post-quantum encryption and GeminNODE· TypeScript· MIT
Frequently asked questions
What makes a security MCP server "best"?+
We rank by reliability score: a 0–100 rating based on repository health, release cadence, documentation quality, and maintainer responsiveness. Marketing budget doesn't factor in.
Are these MCP servers free?+
Yes, every MCP server on this list is open source and free to self-host. Some vendors also offer paid hosted versions with additional features.
How often is this list updated?+
The reliability score for every listed server is recomputed every 24 hours. If a server's score drops below 40, it's flagged and removed from this list until fixed.
Can I get my server onto this list?+
Submit it at /submit. If it passes our hard gates (license, readme, recent activity) and scores above 80, it's eligible for the top list automatically.