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references/agent-browser-overview.md

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+# Agent Browser Overview
+
+## 1) What it is
+- A fast Rust-based headless browser automation CLI with a Node.js fallback.
+- Designed for AI agents to navigate, click, type, and snapshot pages via structured commands.
+- Uses a background daemon and Playwright for browser control.
+
+## 2) Install and setup (hardened)
+- Pin the version you trust:
+  - `npm install -g agent-browser@<version>`
+- Prefer a dedicated environment or container for installs.
+- Avoid running with elevated OS privileges.
+- Install browser runtime:
+  - `agent-browser install`
+- Linux dependencies (if needed):
+  - `agent-browser install --with-deps`
+  - or `npx playwright install-deps chromium`
+
+## 3) Browser engines
+- Chromium is the default browser engine.
+- Firefox and WebKit are supported through Playwright.
+
+## 4) Snapshot concept
+- `snapshot` returns a structured view with stable element refs.
+- Refs are designed for compact, deterministic automation.
+
+## 5) Sessions
+- The CLI supports multiple sessions so agents can isolate work.
+
+## 6) Security posture
+- Treat the CLI as high privilege; run with strict allowlists.
+- Avoid file access and arbitrary script execution unless required.
+- Keep profiles and state files ephemeral by default.