skillguard
skillguard is an MCP server, listed under version control. It reaches github. Its repository has 2 GitHub stars and is licensed under Apache-2.0; we last read it on 2026-10-23.
Scans third-party AI agent-skill files for security vulnerabilities using 10 rule packs that include cross-skill privilege chaining and prompt-injection detection. Available as a CLI, library, MCP server, and GitHub Action, all utilizing the same rule packs without requiring authentication or configuration.
Install
Read from skillguard’s own README, close to verbatim -- not written by us, and not guessed.
npx skillguard-cli scan ./examples/known-bad-skill
What it reaches, and what it needs
Maintenance
Security scanner for third-party AI agent-skill files (SKILL.md manifests, hooks, bundled scripts). CLI, library, MCP server, and GitHub Action, all reading the same 10 rule packs, including cross-skill privilege chaining and prompt-injection detection. Zero-auth, zero-config npx or pip scan.
skillguard compared with similar servers
| Server | Reaches | Needs | Stars | Last update | Licence |
|---|---|---|---|---|---|
| skillguard (this page) | github | None listed | 2 | 2026-10-21 | Apache-2.0 |
| mcp-proxy | github(1 shared) | API_ACCESS_TOKEN, GITHUB_PERSONAL_ACCESS_TOKEN | 2,805 | 2026-10-14 | MIT |
| cve-mcp-server | abuseipdb, github, greynoise, nvd, shodan, urlscan, virustotal, vulncheck(1 shared) | ABUSEIPDB_KEY, GITHUB_TOKEN, GREYNOISE_API_KEY, NVD_API_KEY, SHODAN_KEY, URLSCAN_KEY, VIRUSTOTAL_KEY, VULNCHECK_TOKEN | 1,633 | 2026-10-01 | Apache-2.0 |
| idea-reality-mcp | github(1 shared) | GITHUB_TOKEN | 828 | 2026-09-18 | MIT |
| MarkuprPlus | github(1 shared) | GITHUB_TOKEN | 80 | 2026-10-18 | MIT |
| mcp-bridge-api | github, slack(1 shared) | GITHUB_TOKEN, SLACK_BOT_TOKEN | 69 | 2026-09-18 | NOASSERTION |
Ranked by services in common with skillguard, then by stars. Figures are from each repository when we last read it.
Common questions about skillguard
- What does skillguard do?
- Scans third-party AI agent-skill files for security vulnerabilities using 10 rule packs that include cross-skill privilege chaining and prompt-injection detection. Available as a CLI, library, MCP server, and GitHub Action, all utilizing the same rule packs without requiring authentication or configuration.
- How do I install skillguard?
- Its own README gives this command: npx skillguard-cli scan ./examples/known-bad-skill. Run it where your MCP client can launch the server, and check the README for any settings it asks for.
- What does skillguard connect to, and what does it need?
- It reaches github.
- Is skillguard official and is it maintained?
- We found nothing naming it as a vendor’s official server. Its repository has 2 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-10-21.
- What licence does skillguard use?
- The repository declares the Apache-2.0 licence.
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