claude-seo is a free, open-source (MIT) plugin for Claude Code. You type /seo audit and your web address, and a team of agents checks your content, your technical setup and whether AI search can find you, then hands back a prioritized fix list.
Here's what it does, how to set it up, and the catches.
What it does
- Runs a full-site audit with up to 17 agents at once (19 in total): content quality, technical SEO, schema, local SEO, backlinks and more.
- Checks AI search readiness too: whether ChatGPT-style answers and Google's AI results can find and cite you (GEO/AEO, llms.txt).
- Writes a prioritized action plan as Markdown, with a PDF option, so you know what to fix first.
- Needs no API keys. Google credentials (Search Console, PageSpeed, GA4) are optional extras.
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