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/missing-executablenpx skills add lorem-dev/skillkeeper-test-repo --skill missing-executablegit 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 | $0.00017 | $0.00302 |
| Opus 5 | $0.00009 | $0.00151 |
| Sonnet 5 | $0.00003 | $0.00060 |
| Haiku 4.5 | $0.00002 | $0.00030 |
Grade A, and why
missing-executable 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 yesterday.
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
missing-executable
A negative fixture. The manifest declares absent.sh as an executable, and
this directory holds nothing but SKILL.md.
What this fixture covers:
-
repo lintcode SK013, a warning:SK013 [requires/missing-executable]: Skill "requires/missing-executable" declares executable "absent.sh", which is not part of the skill body.It is a warning rather than an error because the skill installs correctly; the only consequence is that the
+xthe author intended is applied to nothing. -
Skill-relative paths. The entry is compared against the skill body after joining it to the skill root, so
absent.shis checked asrequires/missing-executable/absent.sh. Comparescript-skill, whosebin/run.shandbin/check.pyboth resolve that way and report nothing. -
A leading
./being stripped before the comparison. This fixture writes the bare form;./absent.shmust behave identically, and./run.shinscript-skillwould have to report nothing.
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.
- yesterday First seen · 34 lines · 17 tokens per session scan A 2a2d1b0b9bff
missing-executable is a skill published in the GitHub repository lorem-dev/skillkeeper-test-repo (2 stars, last pushed 8d ago), licensed MIT. It adds 17 tokens to every session and 302 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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