squirrelscan

curl -fsSL https://install.squirrelscan.com | bash

iwr -useb https://install.squirrelscan.com/install.ps1 | iex

# Audit a website squirrel audit example.com # Generate HTML report squirrel audit example.com -f html -o report.html # Pipe to Claude for AI analysis squirrel audit example.com --format llm | claude # Quick audit for fast initial probe (other options surface, full) squirrel audit example.com -C quick # run only agent experience and performance rules squirrel audit example.com --rule-include ax,performance # login for cloud audits and cloud rendering squirrel auth login

Category scores for SEO, performance, security and Agent Experience (AX). Publish reports to the web to share with team members or coding agents (fix instructions are embedded)

squirrelscan ships as anMCP server(hosted atmcp.squirrelscan.com),skills(autonomous audit + fix workflows), and apluginfor Claude Code and Cursor. Cursor installs in one click from the badge above; the rest are a single copy-paste.

Click theAdd to Cursorbadge above, or add it manually to~/.cursor/mcp.json:

{ "mcpServers": { "squirrelscan": { "url": "https://mcp.squirrelscan.com/mcp" } } }

Skills:npx skills add squirrelscan/squirrelscan

Install the plugin (bundles skills + the MCP server):

/plugin marketplace add squirrelscan/squirrelscan /plugin install squirrelscan@squirrelscan

claude mcp add --transport http squirrelscan https://mcp.squirrelscan.com/mcp

Add the server to~/.codex/config.toml:

- squirrelscan- operating the CLI: install, login, keys, credits, running audits, publishing reports, MCP setup, config, troubleshooting.
- audit-website- the full fix loop: audit, map issues to source files, fix in batches, re-audit until the site scores well.

npx skills add squirrelscan/squirrelscan

Use the audit-website skill to audit this site and fix all issues but only crawl 10 pages

The complete local CLI, crawler, audit engine, rules, report generators, CLI-facing cloud clients, and documentation site are open source in this repository. The hosted API, website, dashboard, and cloud worker implementations are separate private services.

git clone https://github.com/squirrelscan/squirrelscan.git cd squirrelscan bun install --frozen-lockfile bun run dev -- audit https://example.com --max-pages 10

Run the same checks used in pull requests:

bun run format:check bun run lint bun run typecheck bun test bun run build bun run docs:check bun run docs:build

Telemetry is enabled by default and is deliberately minimal: event name, CLI version, a random install ID, and bounded error categories. It does not send credentials, URLs, report contents, or raw error messages, and telemetry requests are never authenticated.

squirrel self settings set telemetry false

Or disable all telemetry and install registration for any invocation by definingNO_TELEMETRY. Any defined value works, including an empty value,0, orfalse:

NO_TELEMETRY=1 squirrel audit https://example.com

This is a web browser that enables your coding agent, such as Claude Code, to visit websites on your behalf and assist you in identifying bugs or creating UI test cases.

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