OpenHarness

<h1 align="center">
  <img src="assets/logo.png" alt="OpenHarness" width="64" style="vertical-align: middle;">
  &nbsp;&nbsp;
  <img src="assets/ohmo.png" alt="ohmo" width="64" style="vertical-align: middle;">
  <br>
  <code>oh</code> — OpenHarness &amp; <code>ohmo</code>
</h1>

<p align="center">
  <a href="README.md"><strong>English</strong></a> ·
  <a href="README.zh-CN.md"><strong>简体中文</strong></a>
</p>

**OpenHarness** delivers core lightweight agent infrastructure: tool-use, skills, memory, and multi-agent coordination.

**ohmo** is a personal AI agent built on OpenHarness — not another chatbot, but an assistant that actually works for you over long sessions. Chat with ohmo in Feishu / Slack / Telegram / Discord, and it forks branches, writes code, runs tests, and opens PRs on its own. ohmo runs on your existing Claude Code or Codex subscription — no extra API key needed.

**Join the community**: contribute **Harness** for open agent development.

<p align="center">
  <a href="#-quick-start"><img src="https://img.shields.io/badge/Quick_Start-5_min-blue?style=for-the-badge" alt="Quick Start"></a>
  <a href="#-harness-architecture"><img src="https://img.shields.io/badge/Harness-Architecture-ff69b4?style=for-the-badge" alt="Architecture"></a>
  <a href="#-features"><img src="https://img.shields.io/badge/Tools-43+-green?style=for-the-badge" alt="Tools"></a>
  <a href="#-test-results"><img src="https://img.shields.io/badge/Tests-114_Passing-brightgreen?style=for-the-badge" alt="Tests"></a>
  <a href="LICENSE"><img src="https://img.shields.io/badge/License-MIT-yellow?style=for-the-badge" alt="License"></a>
</p>

<p align="center">
  <img src="https://img.shields.io/badge/python-≥3.10-blue?logo=python&logoColor=white" alt="Python">
  <img src="https://img.shields.io/badge/React+Ink-TUI-61DAFB?logo=react&logoColor=white" alt="React">
  <img src="https://img.shields.io/badge/pytest-114_pass-brightgreen" alt="Pytest">
  <img src="https://img.shields.io/badge/E2E-6_suites-orange" alt="E2E">
  <img src="https://img.shields.io/badge/output-text_|_json_|_stream--json-blueviolet" alt="Output">
  <a href="https://github.com/HKUDS/OpenHarness/actions/workflows/ci.yml"><img src="https://github.com/HKUDS/OpenHarness/actions/workflows/ci.yml/badge.svg" alt="CI"></a>
  <a href="https://github.com/HKUDS/.github/blob/main/profile/README.md"><img src="https://img.shields.io/badge/Feishu-Group-E9DBFC?style=flat&logo=feishu&logoColor=white" alt="Feishu"></a>
  <a href="https://github.com/HKUDS/.github/blob/main/profile/README.md"><img src="https://img.shields.io/badge/WeChat-Group-C5EAB4?style=flat&logo=wechat&logoColor=white" alt="WeChat"></a>
</p>

One Command (**oh**) to Launch **OpenHarness** and Unlock All Agent Harnesses. 

Supports CLI agent integration including OpenClaw, nanobot, Cursor, and more.

<p align="center">
  <img src="assets/cli-typing.gif" alt="OpenHarness Terminal Demo" width="800">
</p>

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## ✨ OpenHarness's Key Harness Features

<table alig