Lumen

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lumen is a Coding & Development tool that provides a beautiful git diff viewer and AI-powered commit message generation from the CLI. It helps developers review code changes and generate git commands efficiently.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Skill level

Technical

About

What is lumen?

lumen is a command-line interface (CLI) tool designed to enhance the developer's workflow by offering a beautiful and ergonomic git diff viewer. It supports syntax highlighting and allows for in-line commenting during code reviews. Beyond visualization, lumen integrates AI capabilities to generate smart, conventional commit messages for staged changes, understand and explain code modifications, and even generate git commands from natural language queries. It supports multiple AI providers like OpenAI, Claude, Groq, and Ollama, offering flexibility in configuration. The tool also features interactive commit selection, stacked diff mode for reviewing multiple commits, and customizable themes, making it a comprehensive solution for modern code review and git operations.

Best used for

Ideal for developers who need to streamline their code review process, generate accurate and conventional commit messages, and understand complex code changes quickly. Especially valuable for those working with git who want to leverage AI for efficiency and clarity directly from the command line.

Common actions

review code

generate commit messages

understand code changes

automate git commands

visualize diffs

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Capabilities

Key features

Beautiful git diff viewer
Generate AI commit messages
Generate AI git commands
Explain code changes
Interactive commit selection
Multiple AI providers
Customizable themes

Target Audience

developer

Integrations

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Pricing & Plans

Open Source

Free

FAQs

What AI providers does lumen support for its features?

lumen supports a wide range of AI providers for its advanced features like commit message generation and change explanations. These include popular options such as OpenAI, Claude, Groq, Ollama, DeepSeek, xAI, OpenCode Zen, OpenRouter, and Vercel AI Gateway, offering users flexibility in their AI backend choice.

Can I customize the appearance of the diff viewer in lumen?

Yes, lumen allows for extensive customization of its diff viewer's appearance. Users can choose from several preset themes like Dracula, Nord, Catppuccin, and Solarized. Theme selection can be done via CLI flags, environment variables, or by setting it permanently in the lumen configuration file.

How does lumen help in generating git commands?

lumen can generate git commands based on natural language queries. You can describe the action you want to perform, such as 'squash the last 3 commits,' and lumen will suggest the appropriate git command. It also provides an explanation and prompts for confirmation before execution, ensuring safe operations.

Trending

Subcategories trending in Coding & Development

Open Source & Models DevOps & Infrastructure No-Code / Low-Code Testing & QA Backend & APIs Prompt Engineering

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Also listed in

This tool also appears in

Productivity & Business › Workflow Automation

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