medusa: AI-first security scanner

by Pantheon-Security · MCP Server · ★ 1.0k

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

How to install medusa

pip install medusa-security

Taken from the project's README on GitHub. Check the security audit before running it.

Security audit verdict: SAFE · quality 68/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

agent-securityai-securitycode-analysiscve-detectiondevsecopsllm-securitymcpnextjsopen-sourcepython

Quick Facts

Stars1,013
Forks153
LanguagePython
CategoryMCP Server
LicenseAGPL-3.0
Quality Score68/100
Open Issues3
Last Updated2026-08-10
Created2025-11-15
Platformsclaude-code, mcp, python
Est. Tokens~22k

About medusa

🐍 MEDUSA - AI Security Scanner AI-first security scanner with 40,000+ detection patterns for AI/ML, agents, and LLM applications. 🤖 Works out of the box - no tool installation required. 🚨 200 CVEs: Log4Shell, Spring4Shell, XZ Utils, LangChain RCE, MCP-Remote RCE, React2Shell 🔥 — Scan any repo for AI supply chain attacks (repo poisoning, prompt injection, MCP tool poisoning) 🔐 — Find leaked...

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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