Skill Auditing
Audits any skills directory on two layers - format against shared authoring conventions, and content facts (commands, APIs, versions) against live documentation - reporting per-layer findings with sources. Use when asked to audit, review, or check whether skills are outdated, stale, or still correct.
Install
$ agentstack add skill-bcgen-skills-skill-auditing ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-bcgen-skills-skill-auditing) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Skill Auditing
Find what has gone stale in a set of skills — on two independent layers, reported separately so the user knows which findings are format and which are facts.
Step 1 — Pick the target
Default to the current project's installed skills (.claude/skills/, .agents/skills/, or the repo's skills/). Accept any directory path the user names, including a collection repo's own skills/.
Step 2 — Format layer (offline)
For each skill, check against the authoring conventions in [skill-writing's references/conventions.md](../skill-writing/references/conventions.md) when available (the single source of truth), else the same rules inline: frontmatter shape and name == directory; description is a capability sentence + "Use when ..." ≤1024 chars; body ≤100 lines with detail in references/; references links resolve; English only. Report each violation with file and line.
Step 3 — Content layer (live)
Extract the concrete factual claims a skill makes — commands, flags, API calls, config keys, file paths, version numbers — and verify each against current official documentation (web search / doc fetch; for library docs prefer the docs tooling). Classify each:
- confirmed — matches current docs.
- outdated — current docs contradict it; cite the doc as the source.
- unverifiable — cannot confirm or deny from available sources; say so,
never guess.
Step 4 — Report and route fixes
Two sections, format then content. Each finding: the skill, the location, the severity, and the evidence or source. Then, for approved fixes, route to the skill-writing skill when installed; if it is not installed, print the exact proposed edit for manual use and mention the install option at most once.
Principles
| Principle | Meaning | | --- | --- | | Two layers, never merged | Format (offline, convention) and content (live, factual) are reported separately. | | Cite sources | Every "outdated" finding names the doc that contradicts the skill. | | Honesty over coverage | What can't be verified is listed as unverifiable, not guessed. | | Diagnose, don't mutate | The audit reports and proposes; skill-writing performs the edits. |
The repo's own CI lint stays the enforcement gate; skill-auditing is the user-facing, any-directory diagnostic that also checks content facts CI cannot.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: BCGen
- Source: BCGen/skills
- License: MIT
- Homepage: https://skills.sh/BCGen/skills
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.