Claude SEO — Free Open-Source AI SEO Audits inside Claude Code
A free, MIT-licensed terminal AI SEO audit tool for Claude Code: 25 sub-skills, 18 parallel subagents, 50+ /seo commands — outputs a 0-100 health score with a prioritized action plan, replacing Ahrefs/Semrush-style subscriptions.
Claude SEO is an open-source SEO audit toolkit for Claude Code: no browser dashboard — it runs in your terminal, and a single `/seo audit [url]` produces a 0-100 SEO health score with a prioritized action plan.
Under the hood: 25 sub-skills across 18 SEO disciplines, 18 AI subagents analyzing in parallel, plus 8 optional extensions (e.g. DataForSEO for live SERP data, Gemini image generation). Coverage spans technical SEO (crawlability, Core Web Vitals incl. INP, structured data), E-E-A-T content quality, Schema.org validation and JSON-LD generation, GEO (Google AI Overviews / ChatGPT / Perplexity citations), local SEO, international SEO, and competitor analysis.
Install in three steps: clone the repo, run the installer, type `/seo audit`. Runs locally with no external data sharing (unless you enable optional MCP extensions). Built by Agrici Daniel, MIT licensed, 7,000+ GitHub stars per the site.
For terminal-comfortable developers and SEO practitioners who want professional-grade audits without the subscription bill.
FAQ
What is Claude SEO?
A free, open-source SEO audit toolkit for Claude Code: 25 sub-skills, 18 parallel subagents, 50+ /seo commands — one /seo audit [url] outputs a 0-100 health score with a prioritized action plan.
Is it free?
MIT-licensed and completely free — positioned as a replacement for Ahrefs/Semrush-style subscriptions. Optional extensions (like DataForSEO live SERP data) are separate.
How do I install and use it?
Three steps: clone the GitHub repo, run the installer (install.sh on Unix, .ps1 on Windows), then type /seo audit [url]. Requires Python 3.10+ and the Claude Code CLI.
What SEO areas does it cover?
Technical SEO (crawlability, Core Web Vitals incl. INP, structured data), E-E-A-T content quality, schema validation and generation, GEO (AI Overviews/ChatGPT/Perplexity), local SEO, international SEO, programmatic SEO, and competitor analysis.
Is my data safe?
It runs locally with no external data sharing — unless you opt into the optional MCP extensions.