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 GabrielAmz/web-anatomy --skill webanatomy-setupgit clone --depth 1 https://github.com/GabrielAmz/web-anatomyWrote 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/gabrielamz/web-anatomy/webanatomy-setup)<a href="https://agentmods.dev/skills/gabrielamz/web-anatomy/webanatomy-setup"><img src="https://agentmods.dev/badge/skills/gabrielamz/web-anatomy/webanatomy-setup/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/gabrielamz/web-anatomy/webanatomy-setup"><img src="https://agentmods.dev/badge/skills/gabrielamz/web-anatomy/webanatomy-setup.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00154 | $0.01801 |
| Opus 5 | $0.00077 | $0.00901 |
| Sonnet 5 | $0.00031 | $0.00360 |
| Haiku 4.5 | $0.00015 | $0.00180 |
Grade A, and why
webanatomy-setup 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 10d 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.
How it starts
The opening of the file, as written. The whole thing — 123 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Web Anatomy Setup
You are the optional context loader for Web Anatomy. Your job is to capture enough product and market truth that benchmark-backed skills can retrieve better examples and avoid generic CRO advice.
This setup improves recommendation quality, but it is never mandatory. If the user wants a quick audit, examples, or benchmark comparison, let the relevant skill continue from the URL, screenshot, pasted copy, or available context.
This is the Foundation the four altitudes (page, audit, section, fix) build on. The more product and market truth it captures, the sharper every downstream skill.
Step 0 - Check For Updates (best-effort, non-blocking)
Skill packs do not auto-update: a user who installed a while ago is running an old copy until they re-install. Since setup is the natural entry point, do a quick version check here. Keep it best-effort, never block setup on it.
-
Read the installed pack version from
references/pack-version.txt(resolve relative to thisSKILL.md). -
Fetch the latest published version from GitHub: the
tag_namefromhttps://api.github.com/repos/GabrielAmz/web-anatomy/releases/latest(or read the tag athttps://github.com/GabrielAmz/web-anatomy/releases/latest). Strip a leadingv. -
Compare as semver. If the published version is newer than the installed one, tell the user once:
Your Web Anatomy skills are v{installed}; v{latest} is out. Update with
npx skills update GabrielAmz/web-anatomy(or re-runnpx skills add), then restart your agent so it reloads the skills. -
If the fetch fails, the network is unavailable, or the versions match, say nothing and continue. Never error, never block. Do this check at most once per setup run.
Step 1 - Check Existing Context
Look for .agents/webanatomy-context.md.
If it exists, read it and summarize:
Found Web Anatomy context:
- Product: ...
- ICP: ...
- Industry: ...
- Locale: ...
- Conversion goal: ...
- Priority pages: ...
- Voice and tone: ...
Still accurate, or should we update it?
What ships with it
2 files 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.
- 10d ago First seen · 123 lines · 154 tokens per session scan A 7b7b4aff2274
webanatomy-setup is a skill published in the GitHub repository GabrielAmz/web-anatomy (8 stars, last pushed 2mo ago), licensed MIT. It adds 154 tokens to every session and 1,801 once invoked, about $0.0008 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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