seo-audit

seo-audit is a skill for Claude Code, Codex from TommyBez/skillsboard. It costs 170 tokens per session (3,781 once invoked), scanned A, a copy of seo-audit, MIT.

A search-engine optimization audit guide for finding problems that can affect how a website appears in Google and other search engines.

In plain words
What is it for?
Use it to review technical SEO, page content, meta tags, recent site changes, and the scope of a site audit.
Why use it?
It gives structure to diagnosing ranking or traffic drops instead of relying on guesses.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

Good fit Use it to review technical SEO, page content, meta tags, recent site changes, and the scope of a site audit.

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Install with agentmods
npx agentmods add skills/tommybez/skillsboard/seo-audit
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 TommyBez/skillsboard --skill seo-audit
Clone the repo
git clone --depth 1 https://github.com/TommyBez/skillsboard

Made for: Claude Code, Codex.

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-audit

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

agentmods 80×15 button for seo-audit

Your own site · 80×15
<a href="https://agentmods.dev/skills/tommybez/skillsboard/seo-audit"><img src="https://agentmods.dev/badge/skills/tommybez/skillsboard/seo-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 170 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,781 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin 95% copy Near-identical to another mod 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 $0.00170 $0.03781
Opus 5 $0.00085 $0.01891
Sonnet 5 $0.00034 $0.00756
Haiku 4.5 $0.00017 $0.00378

Measured 9d ago against content hash 3b03a2e07578, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

seo-audit scanned grade A with 1 finding 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

**`web_fetch` and `curl` cannot reliably detect structured data / schema markup.**
Origin

This is a copy

95% identical to seo-audit — 4 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.agents/skills/seo-audit/SKILL.md · 498 lines

How it starts

The opening of the file, as written. The whole thing — 498 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 and provide actionable recommendations to improve organic search performance.

Initial Assessment

Check for product marketing context first: If .agents/product-marketing.md exists (or .claude/product-marketing.md, or the legacy product-marketing-context.md filename, in older setups), read it before asking questions. Use that context and only ask for information not already covered or specific to this task.

Before auditing, understand:

  1. Site Context

    • What type of site? (SaaS, e-commerce, blog, etc.)
    • What's the primary business goal for SEO?
    • What keywords/topics are priorities?
  2. Current State

    • Any known issues or concerns?
    • Current organic traffic level?
    • Recent changes or migrations?
  3. Scope

    • Full site audit or specific pages?
    • Technical + on-page, or one focus area?
    • Access to Search Console / analytics?

Audit Framework

Schema Markup Detection Limitation

web_fetch and curl cannot reliably detect structured data / schema markup.

Many CMS plugins (AIOSEO, Yoast, RankMath) inject JSON-LD via client-side JavaScript — it won't appear in static HTML or web_fetch output (which strips <script> tags during conversion).

To accurately check for schema markup, use one of these methods:

  1. Browser tool — render the page and run: document.querySelectorAll('script[type="application/ld+json"]')
  2. Google Rich Results Testhttps://search.google.com/test/rich-results
  3. Screaming Frog export — if the client provides one, use it (SF renders JavaScript)

Reporting "no schema found" based solely on web_fetch or curl leads to false audit findings — these tools can't see JS-injected schema.

Priority Order

  1. Crawlability & Indexation (can Google find and index it?)
  2. Technical Foundations (is the site fast and functional?)
  3. On-Page Optimization (is content optimized?)
  4. Content Quality (does it deserve to rank?)
  5. Authority & Links (does it have credibility?)

Read the full file on GitHub · 498 lines

Files

What ships with it

3 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. 9d ago First seen · 498 lines · 170 tokens per session scan A 3b03a2e07578

Subscribe to this mod's changes

seo-audit is a skill published in the GitHub repository TommyBez/skillsboard (6 stars, last pushed yesterday), licensed MIT. It adds 170 tokens to every session and 3,781 once invoked, about $0.0009 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). It is 95% identical to seo-audit, differing in 4 lines, and is treated as a copy.

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