SEO foundation checks as an Agent Skill: give it a URL, get a crawler's-eye pass/fail report with evidence. 26 structural checks, zero LLM, deterministic.
Sitewalk: SEO Audit & Site Crawler. 30+ technical SEO checks. Use it in ChatGPT with no install, or self-host the open-source crawler and MCP server for Claude Code, Cursor and Codex. SEO growth agent included. Powered by LibreCrawl. MIT.
Free SEO Audit MCP server for Claude - captures and stores all the raw data you need for a complete technical SEO audit. Google Search Console + a first-party crawl + DataForSEO + Majestic SEO merged into one prioritised audit.
Free desktop SEO crawler - open source alternative to Screaming Frog and similar tools. Crawl websites, analyze links, extract SEO data, and export results without subscription fees. Fully customizable and extensible!
Universal SEO skill for Claude Code. 26 sub-skills + 19 sub-agents covering technical SEO, E-E-A-T, schema, GEO/AEO, agent readiness (Lighthouse Agentic Browsing, WebMCP, llms.txt), backlinks, local SEO, e-commerce, international SEO, Google APIs, and PDF/Excel reporting. 9 optional extensions for live SEO data.