jnsahaj/lumen

Health v2 · maintenance only

Adoption not part of the score

2769 stars · 144 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Lumen is a fast terminal-based git diff viewer and code review TUI written in Rust, shipped as a single static binary. It offers side-by-side diffs with tree-sitter syntax highlighting, GitHub PR review, and optional AI-powered commit messages and change explanations across 10+ providers.

Use cases

• view git diffs side-by-side in the terminal
• generate AI commit messages from staged changes
• review GitHub pull requests from the CLI
• get AI summaries of code changes
• review stacked commits or branches
• annotate diff hunks during code review

When to choose

• you want a fast, single-binary terminal diff viewer with syntax highlighting
• you review PRs or stacked commits without leaving the terminal
• you want AI-generated commit messages with multiple provider options
• you use Git or Jujutsu (jj)

When to avoid

• you need a GUI diff tool with mouse-driven workflows
• you don't use git or a compatible VCS in your workflow
• you want fully offline tooling but require the AI features

Facets

cli-tool · maturity active

developer-tools cli terminal-ui llm-inference code-review version-control developer-tools version-control large-language-models cli rust cross-platform git-diff-viewer tui commit-messages code-review tree-sitter jujutsu github-pr command-line macos linux

Member repositories

For agents

markdown · JSON · MCP: product_card(name="jnsahaj/lumen")