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 OneWave-AI/claude-skills --skill seo-optimizergit clone --depth 1 https://github.com/OneWave-AI/claude-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/onewave-ai/claude-skills/seo-optimizer)<a href="https://agentmods.dev/skills/onewave-ai/claude-skills/seo-optimizer"><img src="https://agentmods.dev/badge/skills/onewave-ai/claude-skills/seo-optimizer/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/onewave-ai/claude-skills/seo-optimizer"><img src="https://agentmods.dev/badge/skills/onewave-ai/claude-skills/seo-optimizer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- 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 | $0.00044 | $0.01570 |
| Opus 5 | $0.00022 | $0.00785 |
| Sonnet 5 | $0.00009 | $0.00314 |
| Haiku 4.5 | $0.00004 | $0.00157 |
Grade A, and why
seo-content-optimizer 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 9d 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- seo-content-optimizer — 91% identical, 38 lines differ
How it starts
The opening of the file, as written. The whole thing — 233 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SEO Content Optimizer
Comprehensive SEO analysis and optimization for content creators and marketers.
To optimize content for SEO, provide a detailed analysis covering keywords, readability, technical SEO, and actionable recommendations.
Instructions
1. Analyze Target Keywords
Examine keyword usage and placement:
- Identify primary keyword(s) from user input or content
- Check keyword placement (title, H1, first 100 words, subheadings)
- Calculate keyword density (aim for 1-2%)
- Identify LSI keywords and semantic variations present
- Flag keyword stuffing issues
2. Evaluate Content Structure
Assess the organization and hierarchy:
- Check heading hierarchy (single H1, then multiple H2, then H3)
- Verify keyword usage in headings
- Evaluate heading descriptiveness
- Check paragraph length (aim for <150 words)
- Assess overall scanability
3. Readability Analysis
Calculate readability metrics:
- Flesch Reading Ease score (aim for 60-70)
- Grade level estimation
- Average sentence length (aim for <20 words)
- Passive voice percentage (minimize)
- Transition word usage
- Paragraph structure
4. Technical SEO Elements
Generate optimized meta elements:
- Meta Title: 50-60 characters with primary keyword
- Meta Description: 150-160 characters, compelling with keyword
- URL Slug: Short, keyword-rich, hyphen-separated
- Image Alt Text: Descriptive with keywords where natural
- Internal Linking: Opportunities to link to related content
- External Links: Quality of outbound links
5. Content Quality Assessment
Evaluate comprehensiveness:
- Word count (competitive topics need 1500+ words)
- Content depth and detail level
- Topic coverage completeness
- Unique value proposition
- E-A-T signals (expertise, authority, trust)
- Content freshness (dates, current examples)
6. Provide Actionable Recommendations
Prioritize improvements by impact:
Critical (Fix Immediately):
- Missing or poor meta description
- No keyword in title or H1
- Broken internal links
- Keyword density too high/low
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.
- 9d ago First seen · 233 lines · 44 tokens per session scan A a9d8d9fb9c21
seo-content-optimizer is a skill published in the GitHub repository OneWave-AI/claude-skills (291 stars, last pushed 1mo ago), licensed MIT. It adds 44 tokens to every session and 1,570 once invoked, about $0.0002 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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