seo

80 / 100 · Low risk

Fine to try. Some of what it can do is expected: a marketing skill usually talks to online services.

By zhtyyx/codex-seo (GitHub) · marketing · 153 stars · scanned at commit f8fcfad

Comprehensive SEO analysis for any website or business type. Full site audits, single-page analysis, technical SEO (crawlability, indexability, Core Web Vitals with INP), schema markup, content quality (E-E-A-T), image optimization, sitemap analysis, and GEO for AI Overviews/ChatGPT/Perplexity. Industry detection for SaaS, e-commerce, local, publishers, agencies. Triggers on: SEO, audit, schema, Core Web Vitals, sitemap, E-E-A-T, AI Overviews, GEO, technical SEO, content quality, page speed. Us…

Works with any agent that supports SKILL.md skills.

What this skill can do

Downloads and installs other software

The author does not mention this.

Found in 2 places.

skills/seo/SKILL.md, line 82required, suggest `$seo setup` and do not improvise a `pip install`.
skills/seo/references/cwv-thresholds.md, line 102npx lighthouse URL --output json --output-path report.json

Sends data to these websites: overpass-api.de, api.geoapify.com, nominatim.openstreetmap.org

The author does not mention this. Expected for a marketing skill.

Found in 8 places.

skills/seo/references/cwv-thresholds.md, line 98curl -H "X-Goog-Api-Key: $GOOGLE_API_KEY" \
skills/seo/references/maps-free-apis.md, line 28curl -s "https://overpass-api.de/api/interpreter" \
skills/seo/references/maps-free-apis.md, line 34curl -s "https://overpass-api.de/api/interpreter" \

Show 5 more

skills/seo/references/maps-free-apis.md, line 40curl -s "https://overpass-api.de/api/interpreter" \
skills/seo/references/maps-free-apis.md, line 87curl -s "https://api.geoapify.com/v2/places?categories=catering.restaurant&filter=circle:LNG,LAT,5000&limit=20&apiKey=YOUR_KEY"
skills/seo/references/maps-free-apis.md, line 124curl -s "https://nominatim.openstreetmap.org/search?q=123+Main+St+Austin+TX&format=json&addressdetails=1" \
skills/seo/references/maps-free-apis.md, line 131curl -s "https://nominatim.openstreetmap.org/reverse?lat=40.7128&lon=-74.0060&format=json" \
skills/seo/references/maps-free-apis.md, line 152curl -s "https://nominatim.openstreetmap.org/search?q=${addr}&format=json" \

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'seo' ] || [ -L ~/.agents/skills/'seo' ]; then echo 'A skill folder named seo already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/zhtyyx/codex-seo' "$d" && git -C "$d" checkout --quiet 'f8fcfad14c89e0584b5cd68a3e49ae97651dee1e' -- 'skills/seo' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/seo' ~/.agents/skills/'seo' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'seo' ~/.claude/skills/'seo' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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Score history

Date	Version	Score
2026-11-07	`f8fcfad`	80