Browser Harness AI Agent
by browser-useLet Claude Code, Codex or Cursor use your real Chrome, logged in as you. One prompt to set up. Open source, MIT.
Browser Harness is an open-source ai agent by browser-use, written mainly in Python, with 18,794 GitHub stars and the MIT license. Its code was last updated Oct 31, 2026. The latest PyPI release is browser-use 1.0.5, published Nov 15, 2026, with 2,131,818 downloads last week.
Scan summary: scanned Nov 5, 2026 at commit be26283. Seen able to read environment and secrets. 1 published advisory for its package. Scan policy
What Browser Harness can touch
- Our checks did not find this. The tool may still do it.Run shell commandsNot seen in this scan
- Our checks did not find this. The tool may still do it.Run dynamic codeNot seen in this scan
- Our checks did not find this. The tool may still do it.Read or write filesNot seen in this scan
- Seen in this scan, either in the code or while it ran.Read environment and secretsFound in the code by our scan
- Not checked directly. Its own description suggests it does this.Control a web browserLikely, from its own description
- Our checks did not find this. The tool may still do it.Connect to databasesNot seen in this scan
- Not checked directly. Its own description suggests it does this.Read or send messagesLikely, from its own description
- Our checks did not find this. The tool may still do it.Touch money or tradingNot seen in this scan
- Our checks did not find this. The tool may still do it.Connect to the internetNot run in this scan
"Not seen" means our checks did not find it, and the tool may still do it. Covers commit be26283, Nov 5, 2026. See the scan policy.
Before you install Browser Harness
AgenticMart scanned Browser Harness on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What it can access
- An AI agent decides its own next steps and calls whatever tools you give it, so its risk depends on the access you grant.
- Based on its description and topics, it likely needs to control a web browser (visit sites, fill in and submit forms).
- Based on its description and topics, it likely needs to read or send messages on your accounts.
- Based on its description and topics, it likely needs to act on cloud infrastructure.
Before you install
- Run it in a separate browser profile without your logged-in accounts.
- Use a test account first; check which scopes its token asks for.
- Pin the version you reviewed instead of always installing the latest release.
- Read the tool list or scripts before the first run, and keep approval prompts on for actions that write, send or delete.
- Maintained by browser-use on GitHub, 18,794 stars and 1,853 forks. Popularity is not proof of safety.
- Last code change: Oct 31, 2026.
- Open-source license: MIT.
Published advisories for browser-use
From the OSV database, for this PyPI package. Check that your installed version is past any fix.
- CVE-2025-47241Browser Use allows bypassing `allowed_domains` by putting a decoy domain in http auth username portion of a URLFixed in 0.1.45.
Browser Harness is an open-source ai agent by browser-use, written mainly in Python. Let Claude Code, Codex or Cursor use your real Chrome, logged in as you. One prompt to set up. Open source, MIT.
At a glance
- Stars
- 19k
- Forks
- 1.9k
- Language
- Python
- License
- MIT
- Created
- Apr 2026
- Last update
- Oct 31, 2026
- Type
- AI Agent
- Price
- Free
Topics
Questions about Browser Harness
What is Browser Harness?
Let Claude Code, Codex or Cursor use your real Chrome, logged in as you. One prompt to set up. Open source, MIT.
Who maintains Browser Harness?
Browser Harness is maintained by browser-use on GitHub (browser-use/browser-harness). AgenticMart lists it from public repository data.
Is Browser Harness safe to use?
AgenticMart scanned Browser Harness on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What license does Browser Harness use?
It is published under the MIT license.
Browser Harness alternatives
View more →Similar ai agents in Browser Automation, ranked by GitHub stars. Compare licence, recent activity and scan status before you choose.
| Name | Stars | Licence | Last updated | Scan |
|---|---|---|---|---|
| Browser Harness (this page) browser-use | 19k | MIT | Oct 31, 2026 | Scanned, no flagged issues |
| Browser Use browser-use | 120k | MIT | Oct 31, 2026 | Scanned, no flagged issues |
| CloakBrowser CloakHQ | 33k | MIT | Oct 31, 2026 | Scanned, no flagged issues |
| Invisible Dots feder-cr | 32k | MIT | Oct 31, 2026 | Scanned, no flagged issues |
| OpenCLI jackwener | 31k | Apache-2.0 | Oct 26, 2026 | Scanned, no flagged issues |
| Stagehand browserbase | 26k | MIT | Oct 30, 2026 | Scanned, no flagged issues |