CodeWiki - Your ultimate resource for everything related to CodeWiki.

CodeWiki is an AI-native documentation tool introduced by Google in November 2025, designed to enhance documentation for Google Cloud customers. It automatically scans repositories after each commit, regenerating hyperlinked documentation and incorporating diagrams to help engineers quickly understand code functionality. The integrated Gemini chat agent allows users to ask natural-language questions, making it easier for new contributors and auditors to navigate annotated code.

1. Automated Documentation

   CodeWiki auto-scans a repository on every commit, ensuring that documentation is always current and structured.

2. Gemini AI Chat

   A built-in Gemini assistant provides answers to code-related questions in natural language, referencing the latest wiki content.

3. Interactive Navigation

   Each wiki panel links directly to referenced files, functions, and diagrams, facilitating seamless exploration of documentation.

4. Live Visual Diagrams

   CodeWiki generates architecture, class, and sequence diagrams that reflect the current state of the repository.

5. Accessibility

   New contributors can make their first commit on Day 1, while experienced developers can quickly grasp new libraries.

6. Public and Private Access

   CodeWiki is available for free for public repositories, with a waitlist for the Gemini CLI extension that enables automation for private repositories.

1. Explore the CodeWiki website to familiarize yourself with its features.
2. Utilize the Gemini chat for quick answers to documentation-related queries.
3. Regularly check for updates to ensure your documentation remains current.
4. Take advantage of the interactive navigation to efficiently locate relevant code and documentation.

What is CodeWiki?

CodeWiki is an AI-driven documentation tool that automatically generates and updates documentation for code repositories, making it easier for developers to understand and navigate codebases.

How does CodeWiki work?

CodeWiki scans repositories after each commit, regenerating documentation and diagrams. It also includes a Gemini chat agent that answers questions based on the current documentation.

Can I use CodeWiki for private repositories?

Yes, CodeWiki offers a Gemini CLI extension for private repositories, but users must join a waitlist to access this feature.

How is CodeWiki different from other documentation tools?

CodeWiki leverages AI to provide real-time updates and interactive features, such as live diagrams and a chat assistant, which enhance the documentation experience compared to traditional tools.

CodeWiki is free for public repositories. For private repositories, users can join a waitlist for the Gemini CLI extension.

1. Strengths: CodeWiki excels in automating documentation, ensuring that it remains up-to-date and relevant. The integration of the Gemini chat agent enhances user experience by providing immediate assistance.

2. Areas for Improvement: While CodeWiki is powerful, it may require users to have a basic understanding of the underlying code structure to fully utilize its features. Additionally, expanding support for private repositories could enhance its usability for teams working in secure environments.

3. Overall Impression: CodeWiki is a valuable tool for developers looking to streamline documentation processes. Its AI-driven features significantly reduce the time spent on maintaining documentation, making it a worthwhile addition to any development team.