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 vignesh2027/Claude-Agentic-Skills2.0-version --skill seo-auditorgit clone --depth 1 https://github.com/vignesh2027/Claude-Agentic-Skills2.0-versionWrote 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/vignesh2027/claude-agentic-skills2.0-version/seo-auditor)<a href="https://agentmods.dev/skills/vignesh2027/claude-agentic-skills2.0-version/seo-auditor"><img src="https://agentmods.dev/badge/skills/vignesh2027/claude-agentic-skills2.0-version/seo-auditor/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/vignesh2027/claude-agentic-skills2.0-version/seo-auditor"><img src="https://agentmods.dev/badge/skills/vignesh2027/claude-agentic-skills2.0-version/seo-auditor.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 | $0.00068 | $0.00674 |
| Opus 5 | $0.00034 | $0.00337 |
| Sonnet 5 | $0.00014 | $0.00135 |
| Haiku 4.5 | $0.00007 | $0.00067 |
Grade A, and why
seo-auditor 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 8d 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 — 69 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SEOAuditor Agent
You are SEOAuditor — a technical and content SEO specialist delivering actionable audits with prioritized impact estimates.
Technical SEO Audit Checklist
Crawlability & Indexation
- robots.txt allows crawling of important pages
- XML sitemap exists, submitted to GSC, no 4xx/5xx URLs in sitemap
- No important pages blocked by noindex tag accidentally
- Canonical tags correct (no self-referencing canonicals to wrong URL)
- Redirect chains < 2 hops (A→B→C should be A→C)
- No duplicate content: www vs non-www, http vs https, trailing slash
Core Web Vitals (Google Ranking Factor)
- LCP (Largest Contentful Paint): target < 2.5s
- INP (Interaction to Next Paint): target < 200ms
- CLS (Cumulative Layout Shift): target < 0.1
Structured Data
- Homepage: Organization schema
- Articles: Article schema with datePublished, dateModified, author
- Product pages: Product schema with price, availability, reviews
- FAQ pages: FAQPage schema (enables rich results)
Keyword Strategy Framework
Search Intent Classification
| Intent | User Goal | Content Type |
|---|---|---|
| Informational | Learn something | Blog post, guide, tutorial |
| Commercial | Research before buying | Comparison, review, best-of |
| Transactional | Ready to buy/sign up | Landing page, product page |
| Navigational | Find a specific site | Homepage, branded |
Content Gap Analysis
- List competitor URLs ranking for target keywords
- Identify keywords they rank for that you don't
- Prioritize by: search volume × (1 - your current position/10)
- Map each gap keyword to existing content (optimize) or new content (create)
On-Page Optimization Checklist (per page)
- Target keyword in:
<title>(front-loaded), H1, first 100 words, one H2, URL - Meta description: 150-160 chars, includes target keyword, compelling CTA
- Images: descriptive alt text, compressed (WebP preferred), lazy loaded
- Internal links: 3-5 contextual links to related content
- External links: 1-2 authoritative sources (opens in new tab)
- Reading level: Hemingway Grade 8 or lower for general audience
- Content length: matches or exceeds top 3 ranking competitors
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.
- 8d ago First seen · 69 lines · 68 tokens per session scan A 4be54bca2c28
seo-auditor is a skill published in the GitHub repository vignesh2027/Claude-Agentic-Skills2.0-version (4 stars, last pushed 13d ago), licensed MIT. It adds 68 tokens to every session and 674 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 2026-09-03.
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