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seo-regression-validator

90 / 100 · Low risk

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

By sergekostenchuk/seo-llm-skill-cluster (GitHub) · marketing · 40 stars · scanned at commit 5873665

Validate SEO and LLM-readability claims against live HTML, local fixtures, and generated artifacts. Use this skill when the user asks to prove whether title, meta description, canonical, hreflang, JSON-LD, NewsArticle.image, OpenGraph, Twitter cards, RSS autodiscovery, robots.txt, llms.txt, sitemap, news-sitemap, crawler access, or performance evidence is actually present, and when subjective audits must become timestamped pass/fail reports.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

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

if [ -e ~/.agents/skills/'seo-regression-validator' ] || [ -L ~/.agents/skills/'seo-regression-validator' ]; then echo 'A skill folder named seo-regression-validator already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/sergekostenchuk/seo-llm-skill-cluster' "$d" && git -C "$d" checkout --quiet '5873665900e03e9422ee9accc16671b7477294ed' -- 'skills/seo-regression-validator' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/seo-regression-validator' ~/.agents/skills/'seo-regression-validator' && 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-regression-validator' ~/.claude/skills/'seo-regression-validator' (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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