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 skills add saffron-health/libretto --skill update-docsgit clone --depth 1 https://github.com/saffron-health/librettoWrote 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/skills/saffron-health/libretto/update-docs)<a href="https://agentmods.dev/skills/saffron-health/libretto/update-docs"><img src="https://agentmods.dev/badge/skills/saffron-health/libretto/update-docs/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/saffron-health/libretto/update-docs"><img src="https://agentmods.dev/badge/skills/saffron-health/libretto/update-docs.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 5.1 | $0.00031 | $0.00235 |
| Opus 5.5 | $0.00012 | $0.00094 |
| Sonnet 5.5 | $0.00006 | $0.00047 |
| Haiku 4.5 | $0.00003 | $0.00023 |
Grade A, and why
update-docs 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 2mo 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- update-docs — 91% identical, 2 lines differ
What it actually says
Update AGENTS.md files based on what was learned in this session about: $TOPIC
Read ./references/updating-agents-docs.md for full guidelines before proceeding.
Process
-
Review the conversation for learnings about the specified topic:
- Patterns or conventions discovered
- Commands needed but not documented
- Architectural insights
- Common pitfalls encountered
-
Determine where each learning belongs (lowest common ancestor):
- Root
AGENTS.mdfor repo-wide patterns - Package-level AGENTS.md for package-specific patterns
docs/*.mdfor detailed explanations
- Root
-
Check if the target AGENTS.md already has related content:
- If multiple related items exist, consider extracting to a docs/ page
- If adding would make the file too long (>60 lines for root), extract to docs/
-
Apply changes following the writing style in the guidelines
-
List what was updated and why
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 2mo ago First seen · 30 lines · 31 tokens per session scan A f43f8ea86474
update-docs is a skill published in the GitHub repository saffron-health/libretto (906 stars, last pushed 2mo ago), licensed MIT. It adds 31 tokens to every session and 235 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-08-30.
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