browser-harness
ActiveDescription
Browser Harness | Self-healing harness that enables LLMs to complete any task.
Key Features
- Thin CDP harness connecting LLMs directly to a real Chrome browser
- Self-healing: agent writes missing helpers during execution
- Domain skills system with community-contributed per-site playbooks
- Works with Claude Code and Codex via simple setup prompt
- Free cloud tier with stealth, sub-agents, and captcha solving
- ~1k lines across 4 core files — minimal and extensible architecture
Use Cases
💡 Automating complex browser tasks with LLM-driven agents
💡 Web scraping and data extraction from authenticated sessions
💡 QA testing and dogfooding web applications end-to-end
💡 File uploads, form filling, and dialog handling via agent control
💡 Building reusable domain skills for recurring browser workflows
Strengths & Limitations
✅ Strengths
- • Actively maintained, recent updates
- • High community interest (17.3k stars)
- • Permissive open-source license (MIT)
Tags
Categories
Quick Start
1. Paste the setup prompt into Claude Code or Codex to install browser-harness.
2. Open chrome://inspect/#remote-debugging and enable the remote debugging checkbox.
3. Allow the per-attach popup when prompted (Chrome 144+).
4. Start giving browser tasks to the agent — it will navigate, interact, and write helpers as needed.