# crawwwl > crawwwl is a frontend code-audit CLI, web application, and MCP server for Next.js, React, JavaScript, TypeScript, CSS, HTML, and Shopify Liquid projects. crawwwl scans source code for performance, accessibility, SEO, security, CSS quality, and code-quality issues. Quick audits are free and local. Standard and deep audits add AI validation or reasoning. Version 0.2.1 requires Node.js 18 or later. ## Product documentation - [How crawwwl works](https://www.crawwwl.com/docs/index.md): Audit workflow, supported project types, scoring, and report behavior. - [CLI reference](https://www.crawwwl.com/docs/cli/index.md): Installation, commands, audit modes, flags, suppression comments, and exit behavior. - [MCP server](https://www.crawwwl.com/mcp/index.md): Setup and tools for Claude Code, Cursor, Windsurf, Codex, and other MCP clients. - [Pricing](https://www.crawwwl.com/pricing/index.md): Free quick audits and usage-based AI audit pricing. - [Full product context](https://www.crawwwl.com/llms-full.txt): Expanded capabilities and operational details. ## Distribution - [crawwwl on npm](https://www.npmjs.com/package/crawwwl): Public CLI package and current published version. - [crawwwl website](https://www.crawwwl.com): Browser audit, account, reports, and product overview. ## Optional - [Changelog](https://www.crawwwl.com/changelog): Product release history. - [Roadmap](https://www.crawwwl.com/roadmap): Planned and in-progress work. - [Privacy policy](https://www.crawwwl.com/privacy): Data collection, storage, and protection. - [Terms of service](https://www.crawwwl.com/terms): Product terms.