seo

seo is a skill for Claude Code, Codex from cwklurks/ship-score. It costs 0 tokens per session (4,318 once invoked), scanned A, original, MIT.

A checklist for reviewing a website’s search-engine readiness during a production-readiness audit. It runs eight predefined checks, including whether important pages have page titles that search engines can use.

In plain words
What is it for?
Use it as part of a Ship Score audit to inspect page metadata and other SEO-related implementation details.
Why use it?
It provides a fixed process for finding basic discoverability and metadata problems before release. The excerpt does not identify all eight checks, so its full coverage cannot be described here.

Skill for Claude CodeCodex

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

Good fit Use it as part of a Ship Score audit to inspect page metadata and other SEO-related implementation details.

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

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

README.md
[![agentmods](https://agentmods.dev/badge/skills/cwklurks/ship-score/seo/github.svg)](https://agentmods.dev/skills/cwklurks/ship-score/seo)
Your own site
<a href="https://agentmods.dev/skills/cwklurks/ship-score/seo"><img src="https://agentmods.dev/badge/skills/cwklurks/ship-score/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/cwklurks/ship-score/seo"><img src="https://agentmods.dev/badge/skills/cwklurks/ship-score/seo.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,318 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 $0.00000 $0.04318
Opus 5 $0.00000 $0.02159
Sonnet 5 $0.00000 $0.00864
Haiku 4.5 $0.00000 $0.00432

Measured 8d ago against content hash e0290d60a5e1, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, 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 8d 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.

skills/seo/SKILL.md · 404 lines

How it starts

The opening of the file, as written. The whole thing — 404 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SEO Category — Ship Score Sub-Skill

You are running the SEO category of a Ship Score production readiness audit. Follow every instruction below precisely. Do not add checks beyond the 8 defined here. Do not skip checks. Report exactly what you find.


Context You Receive

The orchestrator passes you:

Framework: [name] ([key])
Signals: [comma-separated detected features]
Root: [absolute path to project root]

Use the key value to select the correct framework-specific search patterns below. If the key is unknown, use the Generic/Vite patterns.


Checks

Run all 8 checks in order. For each check, follow the verification steps, determine the status, and record the evidence.


Check 1: Meta Title on Key Pages

Severity: High

What to look for:

A <title> tag or framework-equivalent metadata title configured on the main layout or key pages (home, about, etc.).

Framework-specific verification:

Framework What to grep / check
Next.js App Router (nextjs + app/ signal) Grep for metadata export containing title in app/layout.tsx, app/layout.ts, app/layout.jsx, app/layout.js. Also check app/page.tsx and any app/**/page.tsx files. Pattern: title\s*[:=] within a metadata export or generateMetadata function.
Next.js Pages Router (nextjs + pages/ signal) Grep for <Head> component usage with <title> inside it in pages/_app.tsx, pages/_document.tsx, and pages/index.tsx. Pattern: <title> inside JSX.
Astro (astro) Grep for <title> in src/layouts/Layout.astro or src/layouts/*.astro. Also check frontmatter title prop usage. Pattern: <title> in .astro files.
Vite/Generic (vite, node, unknown) Grep for <title> in index.html or public/index.html. Pattern: <title>.

Status rules:

Status Condition
PASS Title found in the root layout or main page file
WARNING Title found only in some pages but not the root layout
FAIL No title metadata found in any checked location

Read the full file on GitHub · 404 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. 8d ago First seen · 404 lines · 0 tokens per session scan A e0290d60a5e1

Subscribe to this mod's changes

seo is a skill published in the GitHub repository cwklurks/ship-score (1 stars, last pushed 5mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 4,318 tokens. 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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