Diffity — Development skill for Claude Code
Mac app to review the code written by you or your agent with Claude in the loop.
How to install Diffity
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open kamranahmedse/diffity and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What Diffity does
Mac app to review the code written by you or your agent with Claude in the loop.
Alternatives in Development
- Implement Review — Run the implement-review staged-change review loop 239 ★
- Huashu Mac Use — 让任何 agent 操控 Mac 上没有 API 的原生 app,读后台、写不打扰、每步留取证 · Agent Skill for macOS computer use 228 ★
- M Review Again — Review Again: Multi-Round Review & Fix Loop 139 ★
README
diffity
[](https://github.com/nilbuild/diffity/releases/latest) [](https://github.com/nilbuild/diffity/releases/latest) [](./LICENSE)
Diffity is a Mac app for reviewing code changes, yours or your agent's, GitHub-style, with Claude Code in the loop.
[](https://github.com/nilbuild/diffity/releases/latest) [](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 | Leave comments on lines, files or the whole diff, then send them to Claude to fix |
| Let Claude fix your comments | Claude works through your comments, edits the code and replies in each thread |
| Ask @claude | Mention @claude in any thread and Claude replies right there |
| Get a Claude review | Claude reads the diff and leaves comments on the lines it cares about |
| Review any commit or range | Uncommitted changes, a commit, a range or a whole branch |
| Review pull requests | Check out a GitHub PR, review it locally, post the review back |
| [Post reviews to GitH |
Related Skills
Spaces
Agent-driven SDLC orchestrator: specify → plan → tasks → implement → verify, backed by AIDLC workflows + the P
Pygin
Pygin - a from-scratch UCI chess engine in Python + C, with a hand-written search and evaluation and the entir
Mac Optimizing Looper
A menu-bar macOS agent loop: every N minutes it asks Claude/Codex what's overloading your Mac and suggests one
Review Specification
Review patent specification for 35 USC 112(a) compliance (written description, enablement, best mode)
Strategist
Product strategist that challenges assumptions, asks forcing questions, and validates ideas before any code is
Adversarial Plan
You are an independent reviewer performing an adversarial review of an implementation plan before any code is
Related Agents
Mac Dev
native swift mac app dev
Launcher
Build the Mac daemon and iOS app, launch both (daemon on host, app in Simulator), and seed the dev endpoint to
macOS Specialist
Expert in macOS app development, AppKit, SwiftUI for macOS, and Mac App Store deployment