A workspace for creating, improving, and testing Codex/OpenAI-style skills, currently featuring a local SEO reviewer skill with supporting files.

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License

MIT

Last updated

2026-07-10

AI repository intelligence
FR-AI / ANALYSIS

Why it is worth attention

It provides a practical, structured template for building specialized skills for Codex/OpenAI, complete with an SEO audit example, evaluation framework, and validation tools, all under MIT license.

Who it is for

  • Developers crafting skills for Codex/OpenAI
  • SEO professionals integrating AI workflows
  • AI workflow engineers building reusable skill modules
  • Technical content teams managing codebase audits

Use cases

  • Auditing a website's technical SEO and metadata
  • Reviewing a Next.js app before launch for SEO issues
  • Analyzing ecommerce HTML for SEO and AI search readiness
  • Creating and validating new Codex skills from scratch

Strengths

  • Includes a complete SEO skill with checklist, evaluative test prompts, and a helper script
  • Clear repository structure and guidelines for adding new skills
  • Provides validation and eval tools to ensure skill quality
  • MIT licensed, allowing free use and redistribution of the contained skill

Considerations

  • Currently contains only one skill (SEO reviewer)
  • Requires a Codex/OpenAI environment to execute the skill
  • Local .agents/ directory and installed caches are git-ignored and not portable
  • The skill's effectiveness depends on the underlying AI model's capabilities

README quick start

Skills Learning

This repository is a workspace for creating, improving, and testing Codex/OpenAI-style skills.

The repo currently includes a local seo-reviewer skill and supporting files. The .agents/ directory may contain installed or cached skills used during local development, but it is ignored by Git and should be treated as local machine state.

Repository Layout

.
├── skills/
│   └── seo-reviewer/
│       ├── LICENSE
│       ├── SKILL.md
│       ├── evals/
│       │   └── evals.json
│       ├── references/
│       │   └── audit-checklist.md
│       └── scripts/
│           └── seo_snapshot.py
├── LICENSE
├── skills-lock.json
└── README.md

What Is a Skill?

A skill is a folder that teaches Codex how to perform a specialized workflow. Each skill must include a SKILL.md file with YAML frontmatter:

---
name: seo-reviewer
description: Review websites, landing pages, web apps, and source code for SEO...
---

The description controls when the skill is triggered. The body of SKILL.md explains how Codex should perform the task.

Optional folders:

  • references/: deeper documentation loaded only when needed.
  • evals/: test prompts and expectations for validating skill behavior.
  • scripts/: reusable scripts for deterministic or repetitive work.
  • assets/: templates, images, or other files used by the skill.

Included Skill

seo-reviewer

Use this skill when you want Codex to audit websites, landing pages, web apps, or source code for SEO issues.

Example prompts:

Use the seo-reviewer skill to audit https://example.com for technical SEO and metadata issues.
Review this Next.js app for SEO before launch. Focus on metadata, sitemap, robots, structured data, and rendering issues.
Audit this product page HTML for ecommerce SEO and AI search readiness.

The skill is located at:

skills/seo-reviewer/SKILL.md

Its deeper checklist is in:

skills/seo-reviewer/references/audit-checklist.md

Its test prompts are in:

skills/seo-reviewer/evals/evals.json

It also includes a small standard-library helper script for extracting a basic SEO evidence snapshot from a URL or HTML file:

python3 skills/seo-reviewer/scripts/seo_snapshot.py https://example.com
python3 skills/seo-reviewer/scripts/seo_snapshot.py ./page.html

Using

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