browser-harness

About browser-harness

Browser Harness ♞ Browser Harness lets Claude Code, Codex or Cursor use your real Chrome browser: open pages, click, type, read and download, logged in as you. Paste one prompt into your coding agent to set it up. It talks to Chrome over the DevTools Protocol (CDP), and the agent writes any missing helper as it works, so the harness gets better with each task. Open source, MIT licensed. Try browser-harness in Browser Use Cloud or paste the setup prompt into your coding agent. You will never use the browser again.

ai-agent browser-agent browser-automation browser-use browser-use-box browser-use-cloud cdp chrome chrome-devtools-protocol claude-code

Quick Facts

Stars	18,470
Forks	1,874
Language	Python
Category	MCP Server
License	MIT
Quality Score	65.9832797038402/100
Open Issues	410
Last Updated	2026-10-17
Created	2026-04-17
Platforms	browser, claude-code, codex, mcp, python
Est. Tokens	~14k

Compatible Skills

These tools work well together with browser-harness for enhanced workflows:

magentic-ui — semantic(0.40)+complementary+same_lang+similar_pop+shared_platform (64%)
notte — semantic(0.33)+complementary+same_lang+similar_pop+shared_platform (62%)
stagehand — semantic(0.42)+complementary+rare_topics+similar_pop+shared_platform (59%)
BrowserSkill — semantic(0.54)+complementary+similar_pop+shared_platform (59%)

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Frequently Asked Questions

What is browser-harness?

browser-harness is Let Claude Code, Codex or Cursor use your real Chrome, logged in as you. One prompt to set up. Open source, MIT.. It is categorized as a MCP Server with 18.5k GitHub stars.

What programming language is browser-harness written in?

browser-harness is primarily written in Python. It covers topics such as ai-agent, browser-agent, browser-automation.

How do I install or use browser-harness?

You can find installation instructions and usage details in the browser-harness GitHub repository at github.com/browser-use/browser-harness. The project has 18.5k stars and 1874 forks, indicating an active community.

What license does browser-harness use?

browser-harness is released under the MIT license, making it free to use and modify according to the license terms.

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