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squirrelscan audits websites for SEO, performance, security, accessibility, content, and structured data issues (260+ rules) and scores site health, via the…
squirrelscan CLI
squirrelscan is a website audit tool built for AI agents. It answers "what's wrong with this website and how do I fix it": it crawls a site like a search engine, analyzes every page against 260+ rules in 21 categories (SEO, performance, security, accessibility, content, structured data, agent readiness, and more), and returns a health score plus concrete, fixable issues. Use it whenever a user wants their site checked, ranked better, faster, or healthier, before/after a deploy, or in CI.
It ships as a single CLI binary, squirrel, for macOS, Windows, and Linux. This skill covers operating it: installing, authenticating, running audits, publishing reports, cloud features, and MCP integration. For the full fix-the-website workflow (audit, map issues to code, fix, re-audit), use the companion audit-website skill.
Links
Website: squirrelscan.com
Docs: docs.squirrelscan.com
Rule reference: https://docs.squirrelscan.com/rules/{rule_category}/{rule_id}
Dashboard (cloud account, audit history, credits): app.squirrelscan.com
Install
Download and install instructions: squirrelscan.com/download
The binary installs to ~/.local/bin/squirrel. Verify with:don't have the plugin yet? install it then click "run inline in claude" again.