harnss

> [!WARNING]
> Harnss is in early development and issues are to be expected. Please feel free to report bugs and issues in the Issues section.

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  <img width="3168" height="1344" alt="unwatermarked_Gemini_Generated_Image_yb5gjqyb5gjqyb5g (1) (1)" src="https://github.com/user-attachments/assets/f3985b4c-7f8e-4d04-86a6-66529db2af8e" />
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  <strong>Harness your AI coding agents.</strong>
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  <a href="https://github.com/OpenSource03/harnss/releases"><img alt="Latest Release" src="https://img.shields.io/github/v/release/OpenSource03/harnss?style=flat-square&color=blue" /></a>
  <a href="https://github.com/OpenSource03/harnss/stargazers"><img alt="Stars" src="https://img.shields.io/github/stars/OpenSource03/harnss?style=flat-square" /></a>
  <img alt="Platform" src="https://img.shields.io/badge/platform-macOS%20%7C%20Windows%20%7C%20Linux-brightgreen?style=flat-square" />
  <img alt="Electron" src="https://img.shields.io/badge/electron-40-47848F?style=flat-square&logo=electron&logoColor=white" />
  <img alt="License" src="https://img.shields.io/github/license/OpenSource03/harnss?style=flat-square" />
  <a href="https://github.com/OpenSource03/harnss/actions"><img alt="Build" src="https://img.shields.io/github/actions/workflow/status/OpenSource03/harnss/build.yml?style=flat-square&label=build" /></a>
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Harnss is a cross-platform desktop app that gives you one interface to run, manage, and switch between AI coding agents — Claude Code, Codex, and any ACP-compatible agent — without losing context, sessions, or tool state.

**Why Harnss?**

- **One app, every agent.** Run Claude Code, Codex, and custom ACP agents side by side. No more juggling terminals or losing context when switching tools.
- **See what your AI is actually doing.** Tool calls render as interactive cards with word-level diffs, syntax highlighting, and inline bash output — not raw JSON.
- **Your workspace, your way.** Built-in terminal,