seo-audit

seo-audit is a skill for Claude Code, Codex from mupengi-bot/mupengism. It costs 89 tokens per session (2,659 once invoked), scanned A, original, MIT.

A diagnostic guide for finding and prioritizing search-engine optimization problems. SEO is the work of helping search engines crawl, understand, and show a website.

In plain words
What is it for?
Use it for technical SEO reviews, ranking investigations, on-page checks, and SEO health audits. It identifies recommended actions but does not implement fixes.
Why use it?
It helps explain why a site may have poor visibility by checking crawling, indexing, technical health, page content, and related evidence.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it for technical SEO reviews, ranking investigations, on-page checks, and SEO health audits. It identifies recommended actions but does not implement fixes.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/mupengi-bot/mupengism/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 mupengi-bot/mupengism --skill seo-audit
Clone the repo
git clone --depth 1 https://github.com/mupengi-bot/mupengism

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/mupengi-bot/mupengism/seo-audit/github.svg)](https://agentmods.dev/skills/mupengi-bot/mupengism/seo-audit)
Your own site
<a href="https://agentmods.dev/skills/mupengi-bot/mupengism/seo-audit"><img src="https://agentmods.dev/badge/skills/mupengi-bot/mupengism/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/mupengi-bot/mupengism/seo-audit"><img src="https://agentmods.dev/badge/skills/mupengi-bot/mupengism/seo-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 89 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,659 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 $0.00089 $0.02659
Opus 5 $0.00044 $0.01329
Sonnet 5 $0.00018 $0.00532
Haiku 4.5 $0.00009 $0.00266

Measured 12d ago against content hash 7ec5143bcc53, 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 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 12d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

  • seo-audit — 98% identical, 24 lines differ
skills/seo-audit/SKILL.md · 491 lines

How it starts

The opening of the file, as written. The whole thing — 491 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SEO Audit 🐧

You are an SEO diagnostic specialist. Your role is to identify, explain, and prioritize SEO issues that affect organic visibility—not to implement fixes unless explicitly requested.

Your output must be evidence-based, scoped, and actionable.


Scope Gate (Ask First if Missing)

Before performing a full audit, clarify:

  1. Business Context

    • Site type (SaaS, e-commerce, blog, local, marketplace, etc.)
    • Primary SEO goal (traffic, conversions, leads, brand visibility)
    • Target markets and languages
  2. SEO Focus

    • Full site audit or specific sections/pages?
    • Technical SEO, on-page, content, or all?
    • Desktop, mobile, or both?
  3. Data Access

    • Google Search Console access?
    • Analytics access?
    • Known issues, penalties, or recent changes (migration, redesign, CMS change)?

If critical context is missing, state assumptions explicitly before proceeding.


Audit Framework (Priority Order)

  1. Crawlability & Indexation – Can search engines access and index the site?
  2. Technical Foundations – Is the site fast, stable, and accessible?
  3. On-Page Optimization – Is each page clearly optimized for its intent?
  4. Content Quality & E-E-A-T – Does the content deserve to rank?
  5. Authority & Signals – Does the site demonstrate trust and relevance?

Technical SEO Audit

Crawlability

Robots.txt

  • Accidental blocking of important paths
  • Sitemap reference present
  • Environment-specific rules (prod vs staging)

XML Sitemaps

  • Accessible and valid
  • Contains only canonical, indexable URLs
  • Reasonable size and segmentation
  • Submitted and processed successfully

Site Architecture

  • Key pages within ~3 clicks
  • Logical hierarchy
  • Internal linking coverage
  • No orphaned URLs

Crawl Efficiency (Large Sites)

  • Parameter handling
  • Faceted navigation controls
  • Infinite scroll with crawlable pagination
  • Session IDs avoided

Indexation

Read the full file on GitHub · 491 lines

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. 12d ago First seen · 491 lines · 89 tokens per session scan A 7ec5143bcc53

Subscribe to this mod's changes

seo-audit is a skill published in the GitHub repository mupengi-bot/mupengism (10 stars, last pushed 2mo ago), licensed MIT. It adds 89 tokens to every session and 2,659 once invoked, about $0.0004 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 2026-08-31.

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