CLI Tool that analyzes git repos and generates beautiful documentation!

Source: Dev.to

Submission for the GitHub Copilot CLI Challenge

What I Built

Project Background

We can’t deny that using “vibe coding” and AI tools makes our process of creating new programs and software much more efficient. However, a major issue is losing visibility into what’s actually being built—or forgetting what we did in previous commits.

That’s why I built DocWeave, a command‑line tool powered by GitHub Copilot CLI. It analyzes a git repository and generates organized documentation, including markdown files, Mermaid diagrams, and AI‑powered insights.

DocWeave extends AI to post‑coding tasks, turning rapid development into professional, well‑documented outputs and helping developers and teams become more efficient.

Problem Solved

Developers often face “documentation debt” where code evolves faster than docs, leading to:

• Onboarding delays for new team members
• Bugs from misunderstandings
• Reduced productivity (20–50 % of dev hours spent on docs per Gartner reports)

DocWeave automates documentation creation, saving time and improving project maintainability.

Features

• 🤖 AI‑Powered Analysis – Uses GitHub Copilot CLI to understand code changes and provide context.
• 📊 Visual Diagrams – Generates Mermaid diagrams (timelines, file relationships, importance charts).
• 📝 Auto‑Documentation – Creates organized markdown files in a DocweaveDocs/ folder.
• 🎯 Next Steps – Suggests actionable next steps based on code analysis.
• ⚡ Simple CLI – Run docweave analyze in any git repository.
• 🔄 Graceful Fallback – Works without Copilot CLI using intelligent heuristics.

Example Use Cases

• Solo Developer – Analyze commits after a coding session and generate documentation.
• Team Collaboration – Produce changelogs and architecture diagrams for team reviews.
• Code Review – Auto‑document PR changes with AI‑powered context.
• Onboarding – Create up‑to‑date documentation for new team members.
• Project Handoff – Generate comprehensive documentation before transferring a project.

Demo

Repository:

My Experience with GitHub Copilot CLI

Before Copilot CLI, I constantly asked LLMs or IDEs to explain what they understood, request specific formats, provide templates for generating documentation, and verify correctness. Now, with GitHub Copilot, I can be confident that—as a native GitHub development tool—it fully analyzes all information available in the repo and generates content strictly following the specified templates.

GitHub Copilot CLI provides AI‑powered analysis that:

• Understands code context and intent
• Provides deeper insights into why changes were made
• Suggests more relevant next steps
• Generates better summaries