AI Trust — Security skill for Claude Code
VirusTotal for AI packages.
How to install AI Trust
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open opena2a-org/ai-trust and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What AI Trust does
VirusTotal for AI packages. ai-trust check returns a 0-100 trust score from the OpenA2A Registry trust graph, covering security scans, advisories, and dependency risk. For MCP servers, A2A agents, skills, and LLM packages.
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README
ai-trust
[](STATUS.md) [](https://github.com/opena2a-org/ai-trust/releases) [](https://opensource.org/licenses/Apache-2.0) [](https://github.com/opena2a-org/ai-trust/actions/workflows/ci.yml)
Trust verification CLI for AI packages: MCP servers, A2A agents, skills, AI tools and LLMs. It prints the OpenA2A Registry's scans and known advisories for a package, or downloads and scans it locally with HackMyAgent. For general-purpose libraries such as `express`, use [HackMyAgent](https://github.com/opena2a-org/hackmyagent) instead.
npx ai-trust check @modelcontextprotocol/server-filesystem --no-scan
What it prints ([full output](docs/captures/quick-start.txt)):
@modelcontextprotocol/server-filesystem mcp server · scanned 228 days ago (stale)
Passed, but the registry recorded 1 high finding
Trust ━━━━━━━━━━━━━━━━━━━━ 79/100
Level Scanned Blocked > Warning > Listed > Scanned > Verified
Scans 3 community scans
Last scan 228 days ago (stale)
Findings 0 critical · 1 high (details not returned) · scan status warnings
CVEs none recorded
── Next Steps ──────────────────────────────────────────────
→ Fresh scan ai-trust check @modelcontextprotocol/server-filesystem
It needs Node.js 20.19+ or 22.12+ and no account.
- Check a package before you install it
- Gate a project's AI dependencies in CI
- Run it through opena2a-cli
- Share scan results with the registry
Check a package before you install it
npx ai-trust check @modelcontextprotocol/server-filesystem
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