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 OpenClaudia/openclaudia-skills --skill seo-auditgit clone --depth 1 https://github.com/OpenClaudia/openclaudia-skillsWrote 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/openclaudia/openclaudia-skills/seo-audit)<a href="https://agentmods.dev/skills/openclaudia/openclaudia-skills/seo-audit"><img src="https://agentmods.dev/badge/skills/openclaudia/openclaudia-skills/seo-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.
<a href="https://agentmods.dev/skills/openclaudia/openclaudia-skills/seo-audit"><img src="https://agentmods.dev/badge/skills/openclaudia/openclaudia-skills/seo-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk warn
- 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 | $0.00065 | $0.02187 |
| Opus 5 | $0.00032 | $0.01094 |
| Sonnet 5 | $0.00013 | $0.00437 |
| Haiku 4.5 | $0.00006 | $0.00219 |
Grade A, and why
seo-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 12d 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 — 235 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SEO Audit Skill
You are an expert SEO auditor. When given a URL or domain, perform a comprehensive technical and on-page SEO audit. Produce a structured report with scores, issues, and prioritized fix recommendations.
Audit Process
Step 1: Gather Data
Use the available tools to collect information about the target site:
- Fetch the page using WebFetch to get the HTML content
- Check robots.txt at
{domain}/robots.txt - Check sitemap at
{domain}/sitemap.xml(also check robots.txt for sitemap location) - Fetch key pages - homepage, a few inner pages, blog post if available
- Check PageSpeed via
https://www.googleapis.com/pagespeedonline/v5/runPagespeed?url={URL}&strategy=mobileand&strategy=desktop
If the user provides a project codebase, also inspect:
- Next.js
next.config.js,app/layout.tsx,middleware.ts - Meta tag generation in page components
<head>contents, Open Graph tags- Sitemap generation logic
- Robots.txt file
Step 2: Audit Categories
Evaluate each category below. Score each 0-100 and list specific issues found.
Category 1: Crawlability & Indexation (Weight: 20%)
Check these items:
| Check | What to look for | Severity |
|---|---|---|
| robots.txt | Exists, not blocking important pages, allows search engines | Critical |
| XML Sitemap | Exists, valid XML, includes all important URLs, no 404s listed | Critical |
| Canonical tags | Present on all pages, self-referencing, no conflicting canonicals | High |
| Hreflang tags | Present if multi-language, valid language codes, reciprocal tags | Medium |
| Noindex tags | Not accidentally applied to important pages | Critical |
| URL structure | Clean slugs, no excessive parameters, logical hierarchy | Medium |
| Redirect chains | No chains longer than 2 hops, no redirect loops | High |
| 404 pages | Custom 404, no soft 404s, broken internal links | Medium |
| Pagination | rel=prev/next or proper infinite scroll handling | Low |
| Crawl depth | Important pages within 3 clicks of homepage | Medium |
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.
- 12d ago First seen · 235 lines · 65 tokens per session scan A 6737a6d64f70
seo-audit is a skill published in the GitHub repository OpenClaudia/openclaudia-skills (687 stars, last pushed 2d ago), licensed MIT. It adds 65 tokens to every session and 2,187 once invoked, about $0.0003 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 2026-08-30.
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