agent-browser vs Browser Harness
agent-browser (Vercel Labs) and Browser Harness (Browser Use) side by side on public data, as of Oct 21, 2026.
Browser Harness has 2.4x the weekly package downloads of agent-browser (2.3M against 984K). agent-browser has 2.4x the GitHub stars of Browser Harness (44.3K against 18.5K). Over the last 30 days downloads moved +30% for agent-browser and +32% for Browser Harness. agent-browser shipped 15 stable releases in the past 90 days. Browser Harness shipped 6 stable releases in the past 90 days.
Which should you choose?
Choose agent-browser if
- you want frequent updates (15 stable releases in 90 days against 6)
Built from documented features, official prices, status pages and usage data on this page; it does not judge output quality.
Side-by-side numbers
| Metric | agent-browser | Browser Harness |
|---|---|---|
| Gid Score | 54 | 54 |
| Usage data as of | Oct 20 | Oct 20 |
| Rank by Gid Score | #31 | #28 |
| Downloads, last 7 days | 984K | 2.3M |
| Downloads, 7-day change | down 43.1% | up 51.4% |
| Downloads, 30-day change | up 30.4% | up 31.7% |
| VS Code installs | — | — |
| Marketplace rating | — | — |
| GitHub stars | 44.3K | 18.5K |
| Homebrew installs, 30 days | — | — |
| Hacker News mentions, 30 days | 2 | 3 |
| Latest stable release | 0.39.1 · 8d ago | 0.1.13 · 47d ago |
| Stable releases, 90 days | 15 | 6 |
| Terminal-Bench (best run) | — | — |
| Price | Free (OSS) | Free (OSS) |
| License | Apache-2.0 | MIT |
| First released | January 2026 | April 2026 |
| Interfaces | CLI, MCP server | — |
| Models |
Trends
agent-browser
Native Rust command-line tool that lets AI agents control Chrome through compact accessibility-tree snapshots and ref-based commands such as open, click and fill. It is installed via npm, Homebrew or Cargo.
Pricing: Free and open source (Apache-2.0).
Latest release 0.39.1:
- Fixed duplicate command execution after a lost daemon response so mutating and launch commands are no longer retried after any request bytes have been sent. CLI JSON and MCP responses report…
- @rotemb-wond
Browser Harness
Browser Harness | Self-healing harness that enables LLMs to complete any task.
Pricing: Open source under the MIT licence; check the website for any paid hosted plans.
Latest release 0.1.13:
- Pin the MCP extra to mcp 2.1.1.
- Pin release build tooling to build 1.6.0 and setuptools 84.0.0.
- Preserve the Chrome permission and macOS accessibility reliability improvements from 0.1.12.
- 251 unit tests passed with the MCP extra.