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 skills/lorem-dev/skillkeeper-test-repo/declared-hook-missingnpx skills add lorem-dev/skillkeeper-test-repo --skill declared-hook-missinggit clone --depth 1 https://github.com/lorem-dev/skillkeeper-test-repoWhat 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 | $0.00021 | $0.00288 |
| Opus 5 | $0.00010 | $0.00144 |
| Sonnet 5 | $0.00004 | $0.00058 |
| Haiku 4.5 | $0.00002 | $0.00029 |
Grade A, and why
declared-hook-missing scanned grade A with 0 findings 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 2d ago.
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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
declared-hook-missing
A negative fixture. The manifest declares one hook, nope, and there is no
hooks/nope/HOOK.md in this directory - there is no hooks/ directory at all.
What this fixture covers:
-
repo lintcode SK005, an error:SK005 [requires/declared-hook-missing]: Skill "requires/declared-hook-missing" declares hook "nope", but hooks/nope/HOOK.md was not found or did not parse. -
The silence the lint pass exists to break. Hooks are discovered by scanning
hooks/*/HOOK.md; the manifest'shooks:list is never read during resolution. So a typo in that list installs nothing and says nothing - the skill resolves, installs its body, and the hook the author meant to ship is simply absent.repo lintis the only place this is reported. -
A
hooks:entry alongside arequires-free manifest, so the finding is attributable to the declaration and not to a dependency fault.
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.
- 2d ago First seen · 32 lines · 21 tokens per session scan A c9780ef2f693
declared-hook-missing is a skill published in the GitHub repository lorem-dev/skillkeeper-test-repo (2 stars, last pushed 8d ago), licensed MIT. It adds 21 tokens to every session and 288 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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