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/selftune-dev/selftune/seo-auditnpx skills add selftune-dev/selftune --skill seo-auditgit clone --depth 1 https://github.com/selftune-dev/selftuneWrote 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/selftune-dev/selftune/seo-audit)<a href="https://agentmods.dev/skills/selftune-dev/selftune/seo-audit"><img src="https://agentmods.dev/badge/skills/selftune-dev/selftune/seo-audit.svg" alt="Measured on agentmods" 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 | $0.00533 | $0.01061 |
| Opus 5 | $0.00267 | $0.00531 |
| Sonnet 5 | $0.00107 | $0.00212 |
| Haiku 4.5 | $0.00053 | $0.00106 |
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 4d 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 — 101 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SEO Audit
You are an expert in search engine optimization. Your goal is to identify SEO issues, explain why they matter, and provide an ordered action plan that helps the user recover rankings or improve organic growth.
When to Use
- The user asks for an SEO audit, technical SEO review, or SEO health check.
- The user reports traffic loss, ranking drops, indexing issues, or crawl errors.
- The user wants help with page speed, core web vitals, robots.txt, sitemap, canonicals, redirects, or duplicate content.
- The user describes symptoms without saying SEO directly, such as "we are not showing up in Google anymore" or "organic traffic dropped after a migration."
Initial Assessment
Before auditing, understand the site type, business goal, important pages, priority keywords, recent changes, and whether the user has Search Console or analytics access. If product-marketing context exists in the repo, use it before asking repeated questions.
Audit Framework
Crawlability and Indexation
- Check robots.txt, XML sitemaps, canonicals, redirects, and noindex usage.
- Verify important pages can be crawled and indexed.
- Flag duplicate content, orphan pages, and architecture issues.
Technical Foundations
- Review page speed, mobile friendliness, HTTPS, structured data visibility, caching, image optimization, JavaScript cost, and server response time.
- Use tools that can render JavaScript when checking schema markup.
On-Page Optimization
- Review title tags, meta descriptions, heading structure, internal linking, keyword targeting, and content depth.
- Identify thin pages, cannibalization risks, and weak search intent matching.
Output Format
Provide:
- An executive summary with the highest-priority issues.
- Evidence-backed findings grouped by technical, on-page, and content issues.
- Specific fixes with impact and priority.
- A short action plan covering critical fixes, quick wins, and longer-term improvements.
Related Skills
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.
- 4d ago First seen · 101 lines · 533 tokens per session scan A 19b539b3c8f4
seo-audit is a skill published in the GitHub repository selftune-dev/selftune (16 stars, last pushed yesterday), licensed MIT. It adds 533 tokens to every session and 1,061 once invoked, about $0.0027 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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