agent-browser cuts your AI agent's token use by 93%.
Vercel Labs dropped this on GitHub and it's quietly replacing Playwright MCP for anyone running agents that browse. Native Rust CLI, daemon architecture, accessibility-tree snapshots instead of full DOM dumps. Same browser, less bloat.
What it does differently:
  • Native Rust daemon, no Node.js or Playwright dependency
  • Semantic element refs (@e1, @e2) from accessibility snapshots, no brittle CSS selectors
  • CDP direct, no translation layer
  • Multi-session, Chrome profile reuse, auth persistence built in
Install in 30 seconds:
  1. 'npm install -g agent-browser'
  2. 'agent-browser install'
  3. 'agent-browser start'
Then 'navigate', 'snapshot', 'click @e1'. Done.
Repo: github.com/vercel-labs/agent-browser. Apache 2.0 licensed.
Things to know:
  • It's pre-1.0 (v0.26), so pin your version
  • Chrome-only via CDP, though Lightpanda is supported as a lighter alternative
  • The 93% number is for typical browse-and-act flows, your mileage will vary
If you're running agents that browse, this changes the math on your token budget. If you hit anything weird, drop it below. I've probably seen it.
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Nic Wilson
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agent-browser cuts your AI agent's token use by 93%.
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