---
title: "squirrelscan"
description: "Website QA tool built for coding agents (Claude Code, Cursor). 260+ rules across SEO, performance, security, accessibility & agent experience: audit from the CLI, fix findings in code, publish reports, and connect over M"
canonical: https://agentpluginsdirectory.com/plugins/squirrelscan
last-updated: 2026-09-21
---

# squirrelscan
Website QA tool built for coding agents (Claude Code, Cursor). 260+ rules across SEO, performance, security, accessibility & agent experience: audit from the CLI, fix findings in code, publish reports, and connect over MCP.
- Slug: squirrelscan
- Publisher: squirrelscan
- Repository: https://github.com/squirrelscan/squirrelscan
- Manifest: plugin.json
- Version: 0.0.97
- License: MIT
- Category (editorial): code-review
- Skills: 2 (audit-website, squirrelscan)
- MCP servers: 1 (squirrelscan)
- Stars: 267
- Repository created: 2026-01-02
- Repository last pushed: 2026-09-19
- Publisher type: Organization
- Listing: https://agentpluginsdirectory.com/plugins/squirrelscan
- Schema: https://agent-plugins.org/schemas/1.0.0/plugin.schema.json

## What squirrelscan does, in the publisher's words

The website QA tool for your coding agent

squirrelscan is an Open Source cli tool that audits websites for SEO, performance, security, accessibility, agent experience and other issues, and gives your coding agent exact fixes. Run it from the CLI, inside your coding agent, in the cloud, or over MCP.

Combine your coding agent with a deterministic and extensible audit tool.

- 282 Rules, 21 Categories: Comprehensive coverage across SEO, accessibility, performance, and security
- Fast crawler: Highly optimized memory efficient crawler
- Agent Experience: Audit agent experience to assist agents in using your site
- Security Audit: Detect phishing kits, leaked credentials, and more
- Smart Incremental Crawling: ETag, Last-Modified, content hashing. Resume from checkpoints.
- Developer-First CLI: Single binary, zero dependencies, shell completions, self-update

From the project README, punctuation lightly normalized. Full text: https://raw.githubusercontent.com/squirrelscan/squirrelscan/HEAD/README.md

## Skills

- audit-website: Audit a website with the squirrelscan CLI and fix the findings in code. Runs SEO, performance, security, technical, content, accessibility, and 15 other rule categories (260+ rules), returns an LLM-optimized report, then drives an iterative fix loop, mapping issues to source files, applying fixes,…
- squirrelscan: squirrelscan audits websites for SEO, performance, security, accessibility, content, and structured data issues (260+ rules) and scores site health, via the squirrel CLI. Use when the user wants to check, audit, or improve a website's SEO, ranking, speed, or health, and for anything squirrelscan it…

Descriptions come from the frontmatter of each SKILL.md, punctuation lightly normalized.

## MCP servers

- squirrelscan: transport: http; url: https://mcp.squirrelscan.com/mcp

Read from the plugin's own mcp.json. Environment variable names only, never values.