Generate and update README files, setup guides, architecture docs, Mermaid diagrams, and module documentation in VS Code with AI. Start with limited free usage, then unlock higher limits and premium review with a subscription.
Installation
Launch VS Code Quick Open (Ctrl+P), paste the following command, and press enter.
Generate production-ready technical documentation directly inside VS Code with AI.
Docgen AI helps developers create and update project docs from their codebase instead of writing everything by hand. It is built for teams, freelancers, and fast-moving projects that need clean documentation without slowing down development.
What Docgen AI Does
Docgen AI can generate and update:
README files
Installation and setup guides
Architecture documentation
Mermaid architecture diagrams with SVG export
Module-level documentation files
It is designed to make your repository easier to understand, easier to onboard into, and easier to hand over to clients or teammates.
What You Get
A guided sidebar workflow directly inside VS Code
AI-generated documentation based on your selected files
Documentation updates after refactors or feature changes
Architecture diagram export (.svg)
Module-level documentation for larger codebases
Why Download It
Save hours on repetitive documentation writing
Turn source code into usable docs faster
Keep project docs aligned with code changes
Ship clearer repositories to teammates, clients, or new hires
Create onboarding-ready documentation without leaving VS Code
Subscription and Free Access
Docgen AI uses a backend subscription system for AI generation.
You can start with limited free usage to test the workflow.
A subscription unlocks higher usage limits and premium review features.
Paid plans are designed for developers who want regular documentation generation directly in VS Code.
This means you can try the product first, then upgrade when you want more capacity and a stronger review workflow.
How It Works
Install the extension.
Open your project in VS Code.
Open the Docgen AI sidebar.
Select the files or folders that should be used as documentation context.
Click:
Generate Doc to create documentation
Update Doc to refresh existing documentation
If needed, connect your subscription key to unlock paid access and higher limits.
Typical Workflow
Generate docs after project setup
Update docs after each important refactor
Regenerate architecture docs before releases
Best For
Freelancers delivering projects to clients
Startups with fast-moving codebases
Teams that need reliable onboarding docs
Developers who want production-ready docs quickly
Notes
The extension requires backend access for subscription validation and AI generation.
Diagram output is generated as SVG for easy sharing in docs and repositories.
