nilbuild/diffity

839 stars · Last commit 2026-10-03

Mac app to review the code written by you or your agent with Claude in the loop.

README preview

<img src="./.github/logo.png" width="80" />

# diffity

[![Latest release](https://img.shields.io/github/v/release/nilbuild/diffity?display_name=tag&sort=semver&cacheSeconds=3600)](https://github.com/nilbuild/diffity/releases/latest)
[![Platform: macOS](https://img.shields.io/badge/platform-macOS-lightgrey)](https://github.com/nilbuild/diffity/releases/latest)
[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](./LICENSE)

Diffity is a Mac app for reviewing code changes, yours or your agent's, GitHub-style, with Claude Code in the loop.

<img src="./.github/screenshots/hero.png" alt="Diffity showing uncommitted changes with a comment thread answered by Claude" />

[![Download for macOS](https://img.shields.io/badge/Download_for_macOS-000000?style=for-the-badge&logo=apple&logoColor=white)](https://github.com/nilbuild/diffity/releases/latest)
[![Report an issue](https://img.shields.io/badge/Report_an_issue-ffffff?style=for-the-badge&logo=github&logoColor=black)](https://github.com/nilbuild/diffity/issues/new/choose)

macOS 13.3 or later, Apple Silicon and Intel. The AI features need [Claude Code](https://docs.claude.com/en/docs/claude-code) (logged in) and Node.js.

| What can you do? | Description |
|---|---|
| [Comment on your diff](#comment-on-your-diff) | Leave comments on lines, files or the whole diff, then send them to Claude to fix |

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