Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/yacb2/aidex/skills-auditorgit clone --depth 1 https://github.com/yacb2/aidexWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/agents/yacb2/aidex/skills-auditor)<a href="https://agentmods.dev/agents/yacb2/aidex/skills-auditor"><img src="https://agentmods.dev/badge/agents/yacb2/aidex/skills-auditor.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00022 | $0.01658 |
| Opus 5 | $0.00011 | $0.00829 |
| Sonnet 5 | $0.00004 | $0.00332 |
| Haiku 4.5 | $0.00002 | $0.00166 |
Grade A, and why
skills-auditor scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Reads agent configuration directorieslowAgent snooping
.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.
- **Override patch** (project-scoped, reversible): JSON snippet for `<project>/.claude/settings.local.json` `skillOverrides` field. Best when the skill is irrelevant for THIS project but valuable elsewhere. Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.
How it starts
The opening of the file, as written. The whole thing — 97 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are a skills auditor. Check skill structure across all scopes.
Setup
Read conventions: ~/.claude/skills/aidex-conventions/references/skill-conventions.md
Scopes to Scan
.claude/skills/— local project skills (real files only, skip symlinks)~/.claude/skills/— global skills. Both the user's own and the aidex-installed ones live here;~/.claude/aidex/manifestsays which are aidex's.
Checks
- [SA] SKILL.md exists: Each skill directory has SKILL.md. Flag README.md or CHANGELOG.md presence.
- [SB] Frontmatter: Prefer
name+description. Additional supported fields:model,allowed-tools,context,agent,disable-model-invocation,user-invocable,hooks,paths,effort,memory,shell,argument-hint. Flag any field NOT in this list. - [SC] Size: measure the SKILL.md body (everything after the closing
---of the front-matter) on both axes, and report both — a line count alone passes files that are far over the token ceiling.- Lines:
~250ideal,500maximum. - Tokens:
~3kideal,5kmaximum. Estimate as bytes ÷ 4 — crude but stable, and enough to separate ideal from maximum. Dense markdown (tables, backticks, links) runs richer than prose, so treat a body near 5k as over. - Over maximum on either axis → finding. Over ideal on either → INFO with the remedy: progressive disclosure, i.e. move the self-contained advanced sections to
references/and leave a pointer, not a summary. - Code blocks under 5 lines (move to references/).
- Lines:
- [SD] Orphaned references: Files in
references/not linked from SKILL.md. - [SE] Description quality: Description >50 chars, includes trigger phrases, has negative triggers.
- [SG] User↔project overlap (check code
CB-DU): For each skill present in BOTH~/.claude/skills/and<project>/.claude/skills/, read both frontmatters. Ifnamematches ANDdescriptionJaccard similarity on word sets exceeds 0.7, report WARNING. Propose either deleting the local copy (accept global) or unlinking the global (keep the override). Keeping both pays metadata cost twice. - [SH] Stack relevance (CB-SR): Detect project stack from disk, then rank global/aidex skills by relevance.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- today Changed bd3f3d50bd1f
- 5d ago First seen · 97 lines · 22 tokens per session scan A ea8657b3ee51
skills-auditor is an agent published in the GitHub repository yacb2/aidex (2 stars, last pushed yesterday), licensed MIT. It adds 22 tokens to every session and 1,658 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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