seo

seo is a skill for Claude Code from norahe0304-art/30x-seo. It costs 246 tokens per session (3,133 once invoked), scanned A, original, MIT.

A coordinator for 24 SEO checks covering a website’s technical setup, content, structured data, links, and search visibility. SEO means improving a website so search engines can understand and rank it.

In plain words
What is it for?
Use it for full-site audits, single-page reviews, technical checks, sitemap validation, language targeting, and JSON-LD structured-data work.
Why use it?
It brings different kinds of website review into one workflow instead of requiring separate checks for each SEO problem.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: mentions subagents.

Good fit Use it for full-site audits, single-page reviews, technical checks, sitemap validation, language targeting, and JSON-LD structured-data work.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/norahe0304-art/30x-seo/seo
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 norahe0304-art/30x-seo --skill seo
Clone the repo
git clone --depth 1 https://github.com/norahe0304-art/30x-seo

Made for: Claude Code.

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 seo

README.md
[![agentmods](https://agentmods.dev/badge/skills/norahe0304-art/30x-seo/seo/github.svg)](https://agentmods.dev/skills/norahe0304-art/30x-seo/seo)
Your own site
<a href="https://agentmods.dev/skills/norahe0304-art/30x-seo/seo"><img src="https://agentmods.dev/badge/skills/norahe0304-art/30x-seo/seo/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 seo

Your own site · 80×15
<a href="https://agentmods.dev/skills/norahe0304-art/30x-seo/seo"><img src="https://agentmods.dev/badge/skills/norahe0304-art/30x-seo/seo.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 246 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,133 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 $0.00246 $0.03133
Opus 5.5 $0.00098 $0.01253
Sonnet 5.5 $0.00049 $0.00627
Haiku 4.5 $0.00025 $0.00313

Measured 1mo ago against content hash 6b7c9ffe9c91, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

seo 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 1mo 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.

seo/SKILL.md · 304 lines

How it starts

The opening of the file, as written. The whole thing — 304 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SEO — Master Orchestrator (24 Sub-Skills)

[PROTOCOL]: Update this header on changes

Comprehensive SEO analysis across all industries (SaaS, local services, e-commerce, publishers, agencies). Orchestrates 24 specialized sub-skills organized in 9 categories, plus 6 parallel subagents for audits.


Quick Reference

1. Audit

Command What it does
/seo audit <url> Full-site audit — first run squirrelscan audit <url> --format llm (if installed), then spawn subagents for deep analysis
/seo page <url> Deep single-page analysis: title, meta, headings, links, images, Schema, E-E-A-T
squirrelscan audit <url> Full-site 230+ rules audit via CLI (npm i -g squirrelscan)

2. Technical SEO

Command What it does
/seo technical <url> 8-category audit: crawl, index, security, URLs, mobile, CWV, structured data, JS
/seo sitemap <url> Validate XML sitemaps, detect issues, generate new ones
/seo hreflang <url> Multi-language SEO: self-refs, return tags, x-default, ISO codes
/seo schema <url> Detect, validate, generate JSON-LD structured data
/seo geo-technical <url> AI crawler management: GPTBot, ClaudeBot, llms.txt, SSR check

3. Links

Command What it does
/seo internal-links <url> Orphan pages, click depth, anchor text, link equity
/seo backlinks profile <domain> Backlink profile analysis (DataForSEO)
/seo backlinks gap <domain> <competitor> Find link gap opportunities (DataForSEO)
/seo redirects <url> Chains, loops, 301/302 mix, protocol issues, trailing slashes

4. Content

Command What it does
/seo content-audit <url> E-E-A-T scoring + AI citability analysis
/seo images <url> Alt text, file sizes, formats (WebP/AVIF), lazy loading, CLS
/seo content-decay <url> Detect declining content, recommend refresh priorities
/seo cannibalization <domain> Find keyword conflicts between pages
/seo content-brief <keyword> Analyze SERP top 10, generate content briefs
/seo content-writer SEO + AI optimized writing guidelines

Read the full file on GitHub · 304 lines

Files

What ships with it

4 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.

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. 1mo ago First seen · 304 lines · 246 tokens per session scan A 6b7c9ffe9c91

Subscribe to this mod's changes

seo is a skill published in the GitHub repository norahe0304-art/30x-seo (56 stars, last pushed 7mo ago), licensed MIT. It adds 246 tokens to every session and 3,133 once invoked, about $0.0010 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 2026-08-30.

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