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agent-browser

Dev ToolsOpen SourceFreeCLIWebAutomation 2026-03-09 vercel-labs

Browser automation CLI from Vercel Labs with semantic snapshots, session reuse, and CDP attach mode for live browsers.

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Installation

Follow the repository README to make the agent-browser CLI available in your shell. The examples below assume the agent-browser command is already on your PATH.

Dedicated Use Case with zzci/chrome

If you want a ready browser container for local agent workflows, start zzci/chrome first and then attach agent-browser to the exposed DevTools port:

docker run --rm -d   --name zzci-chrome   -p 8080:80   -p 9222:9222   zzci/chrome

agent-browser connect 9222
agent-browser snapshot
agent-browser click @e2
agent-browser fill @search "browser automation"
agent-browser screenshot browser-search.png

That gives you a visible browser on port 80 and an automation endpoint on port 9222.

Links
Z
zzci/chrome

Minimal Chrome-in-Docker image with a browser UI on port 80 and a forwarded DevTools endpoint on port 9222.