Retool Docs

# Retool Documentation > Complete product documentation for Retool. This file contains links to documentation sections following the llmstxt.org standard. ## Apps - [AI in classic app building](https://docs.retool.com/apps/concepts/ai): Learn how to utilize AI when building and editing classic apps. - [Managing security with Assist](https://docs.retool.com/apps/concepts/assist-security): Understand how Assist interacts with your data and LLMs. - [Classic app best practices](https://docs.retool.com/apps/concepts/best-practices): Best practices for building performant classic apps. - [Module best practices](https://docs.retool.com/apps/concepts/best-practices/modules): Best practices for building modules. - [Classic app performance](https://docs.retool.com/apps/concepts/best-practices/performance): Best practices for building performant classic apps. - [Prompting best practices](https://docs.retool.com/apps/concepts/best-practices/prompts): Best practices for writing prompts for Assist. - [Testing best practices](https://docs.retool.com/apps/concepts/best-practices/testing): Best practices for testing classic apps. - [Command Palette](https://docs.retool.com/apps/concepts/command-palette): Learn about Retool's Command Palette and its global search and commands. - [Components](https://docs.retool.com/apps/concepts/components): Learn more about Retool's UI components. - [Legacy and deprecated components](https://docs.retool.com/apps/concepts/components/legacy-deprecated-components): Learn about legacy and deprecated components. - [Custom CSS styles](https://docs.retool.com/apps/concepts/custom-css): Learn more about using custom CSS in classic apps. - [Debug Tools](https://docs.retool.com/apps/concepts/debug-tools): Investigate and resolve issues with Retool's built-in debugging tools. - [Classic app IDE](https://docs.retool.com/apps/concepts/ide): Learn about Retool's IDE for classic app development. - [Multiplayer](https://docs.retool.com/apps/concepts/multiplayer