gitscape.ai: Skill for Claude Code

.agents/skills/seo-audit/SKILL.md

seo-audit is a skill for Claude Code, Codex from jmxt3/gitscape.ai. It costs 172 tokens per session (3,779 once invoked), scanned A, a copy of seo-audit, Apache-2.0.

A review process for finding search-engine optimization issues on a website. Search-engine optimization, or SEO, covers changes that help pages appear and rank in unpaid search results.

In plain words
What is it for?
Use it to check meta tags, technical SEO, search visibility, ranking changes, and other on-page or site-wide issues.
Why use it?
It helps explain why a site may not be appearing well in search and turns suspected issues into specific recommendations. The review can be technical, page-focused, or broader depending on the request.

Skill for Claude CodeCodex

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

This is jmxt3/gitscape.ai's own configuration. It tells Claude Code and Codex how to work on gitscape.ai itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything gitscape.ai configures →

Reuse

Borrowing it

Nothing to install: this file belongs to jmxt3/gitscape.ai. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/jmxt3/gitscape.ai/main/.agents/skills/seo-audit/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/jmxt3/gitscape.ai

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/jmxt3/gitscape.ai/seo-audit/github.svg)](https://agentmods.dev/skills/jmxt3/gitscape.ai/seo-audit)
Your own site
<a href="https://agentmods.dev/skills/jmxt3/gitscape.ai/seo-audit"><img src="https://agentmods.dev/badge/skills/jmxt3/gitscape.ai/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/jmxt3/gitscape.ai/seo-audit"><img src="https://agentmods.dev/badge/skills/jmxt3/gitscape.ai/seo-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 172 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,779 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 94% 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 $0.00172 $0.03779
Opus 5 $0.00086 $0.01889
Sonnet 5 $0.00034 $0.00756
Haiku 4.5 $0.00017 $0.00378

Measured 10d ago against content hash f3280a44acae, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, 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 10d 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

94% identical to seo-audit — 14 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-context.md exists (or .claude/product-marketing-context.md 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. 10d ago First seen · 498 lines · 172 tokens per session scan A f3280a44acae

Subscribe to this mod's changes

seo-audit is a skill published in the GitHub repository jmxt3/gitscape.ai (33 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 172 tokens to every session and 3,779 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 94% identical to seo-audit, differing in 14 lines, and is treated as a copy.

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