site-audit

site-audit is a skill for Claude Code, Codex from ZensInk/zens-ink-seo-package. It costs 127 tokens per session (800 once invoked), scanned A, original, MIT.

A static-site SEO checker that reads the built output folder before publication. It checks links, page metadata, images, canonical URLs, headings, and content quality.

In plain words
What is it for?
Use it to audit sites built with Astro, Next.js export, Hugo, or Eleventy, review individual pages, and check Markdown drafts before publishing.
Why use it?
It finds search and content problems before visitors or search engines encounter them. Its repeatable checks can also stop a build when page quality falls below a chosen score.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to audit sites built with Astro, Next.js export, Hugo, or Eleventy, review individual pages, and check Markdown drafts before publishing.

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Install with agentmods
npx agentmods add skills/zensink/zens-ink-seo-package/site-audit
Install

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.

Any agent
npx skills add ZensInk/zens-ink-seo-package --skill site-audit
Clone the repo
git clone --depth 1 https://github.com/ZensInk/zens-ink-seo-package

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for site-audit

README.md
[![agentmods](https://agentmods.dev/badge/skills/zensink/zens-ink-seo-package/site-audit/github.svg)](https://agentmods.dev/skills/zensink/zens-ink-seo-package/site-audit)
Your own site
<a href="https://agentmods.dev/skills/zensink/zens-ink-seo-package/site-audit"><img src="https://agentmods.dev/badge/skills/zensink/zens-ink-seo-package/site-audit/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.

agentmods 80×15 button for site-audit

Your own site · 80×15
<a href="https://agentmods.dev/skills/zensink/zens-ink-seo-package/site-audit"><img src="https://agentmods.dev/badge/skills/zensink/zens-ink-seo-package/site-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 127 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 800 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00127 $0.00800
Opus 5.5 $0.00051 $0.00320
Sonnet 5.5 $0.00025 $0.00160
Haiku 4.5 $0.00013 $0.00080

Measured 2d ago against content hash c5b956da44c1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

site-audit 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.

skills/site-audit/SKILL.md · 87 lines

How it starts

The opening of the file, as written. The whole thing — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Site audit on the build output

Audits run against the built dist/ directory — deterministic, offline, repeatable in CI. Three tools, three altitudes: site-wide technical, per-page quality, per-draft gate.

When to use

  • "Audit my site for SEO problems" (any static site)
  • Pre-launch checklist on a fresh build
  • A page won't rank and nobody knows why
  • CI gate: fail the build when quality drops

When NOT to use

  • Sites behind login or rendered only client-side with no static output — there is no dist/ to read.

Setup

pip install zens-ink
cd the-site-repo && npm run build   # produce dist/ first

Commands

# 1. Site-wide technical audit (broken links, meta, images, canonicals)
python3 -m zens_ink.site_audit --dist dist
python3 -m zens_ink.site_audit --dist dist --format json --output audit.json

# 2. Per-page on-page quality, 7 dimensions, 0-100
python3 -m zens_ink.onpage_audit --dist dist
python3 -m zens_ink.onpage_audit --dist dist --keywords keywords.txt

# 3. Pre-publish gate for markdown drafts (exit 1 below score 70)
python3 -m zens_ink.content_qc drafts/ --min-score 70

How to read the results

Work the report top-down — it is ordered by blast radius:

  1. Broken links / 404s — fix first, they waste crawl budget and trust.
  2. Missing canonical / H1 / meta description — quick wins, one file each.
  3. Image size flags — above --max-image-kb (default generous), compress.
  4. On-page scores — anything under ~70 has a concrete reason listed; fix the named dimension, not the score.

content_qc in a CI pipeline: --min-score 70 makes low-quality drafts fail the build. Will AI engines cite this draft? is the question it answers (BLUF presence, structure, quotable facts).

Known false positive: sitemap-index style sitemaps from Astro may parse as 0 URLs — if the audit reports zero sitemap URLs on an Astro site, ignore the sitemap section; the link/meta findings are still valid.

Next steps

  • Audit clean but still not ranking → keyword-difficulty (it may be the keyword, not the site).
  • Make the site AI-citable → geo-readiness skill.

Read the full file on GitHub · 87 lines

Changes

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.

  1. 2d ago First seen · 87 lines · 127 tokens per session scan A c5b956da44c1

Subscribe to this mod's changes

site-audit is a skill published in the GitHub repository ZensInk/zens-ink-seo-package (53 stars, last pushed 3d ago), licensed MIT. It adds 127 tokens to every session and 800 once invoked, about $0.0005 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 2026-10-15.

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