agent-browser is a fast native Rust command-line tool that lets AI agents drive a real Chrome browser.
Agents take accessibility-tree snapshots with element refs, then click, fill, read text and capture screenshots through simple shell commands.
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Accessibility-tree snapshots with stable @e element refs for reliable actions
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Native Rust daemon with no Playwright or Node.js runtime requirement
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Auth vault logins, WebMCP tools and a chat mode
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Cloud browser support for Browserbase, Browser Use, Kernel and AgentCore
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Install via npm, Homebrew or Cargo plus a ready-made agent skill
Open Source
agent-browser is free and open source under the Apache 2.0 license; optional cloud browser providers such as Browserbase, Browser Use or Kernel bill separately.
Best for
Developers giving Claude Code, Codex, Cursor or custom agents a token-efficient way to test and automate web apps from the terminal.
Not ideal for
Teams that need a full test framework with assertions and reporting, or prefer GUI-based browser automation.
One of the most widely adopted browser tools for coding agents, prized for its simple CLI and compact snapshots.
agent-browser v0.38.2, released October 1, 2026, fixed auth vault field selection, allowed WebMCP and skills commands in chat mode, and corrected Kernel profile handling.
As of
Is agent-browser free?+
Yes - agent-browser is Open Source. agent-browser is free and open source under the Apache 2.0 license; optional cloud browser providers such as Browserbase, Browser Use or Kernel bill separately.
Is agent-browser open source?+
Yes - agent-browser is open source. agent-browser is free and open source under the Apache 2.0 license; optional cloud browser providers such as Browserbase, Browser Use or Kernel bill separately.
Who is agent-browser best for?+
Developers giving Claude Code, Codex, Cursor or custom agents a token-efficient way to test and automate web apps from the terminal.
Who is agent-browser not ideal for?+
Teams that need a full test framework with assertions and reporting, or prefer GUI-based browser automation.
What are the best agent-browser alternatives?+
The closest agent-browser alternatives on ai.dosa.dev are Pieces for Developers, agenttrace, Vibe Kanban - all listed under Developer Productivity & Workflow.
Who makes agent-browser?+
agent-browser is developed by Vercel Labs. It is listed in the Developer Productivity & Workflow category on ai.dosa.dev.
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