---
name: code-yeongyu/agent-browser
source: https://app.decimal.ai/s/code-yeongyu-agent-browser@1/SKILL.md
source_sha256: 0fcaa78b20be
---

# Browser Automation with agent-browser

## Quick start

```bash
agent-browser open <url>        # Navigate to page
agent-browser snapshot -i       # Get interactive elements with refs
agent-browser click @e1         # Click element by ref
agent-browser fill @e2 "text"   # Fill input by ref
agent-browser close             # Close browser
```

## Core workflow

1. Navigate: `agent-browser open <url>`
2. Snapshot: `agent-browser snapshot -i` (returns elements with refs like `@e1`, `@e2`)
3. Interact using refs from the snapshot
4. Re-snapshot after navigation or significant DOM changes

## Commands

### Navigation
```bash
agent-browser open <url>      # Navigate to URL (aliases: goto, navigate)
agent-browser back            # Go back
agent-browser forward         # Go forward
agent-browser reload          # Reload page
agent-browser close           # Close browser (aliases: quit, exit)
```

### Snapshot (page analysis)
```bash
agent-browser snapshot            # Full accessibility tree
agent-browser snapshot -i         # Interactive elements only (recommended)
agent-browser snapshot -i -C      # Include cursor-interactive elements (divs with onclick, etc.)
agent-browser snapshot -c         # Compact (remove empty structural elements)
agent-browser snapshot -d 3       # Limit depth to 3
agent-browser snapshot -s "#main" # Scope to CSS selector
agent-browser snapshot -i -c -d 5 # Combine options
```

The `-C` flag is useful for modern web apps that use custom clickable elements (divs, spans) instead of standard buttons/links.

### Interactions (use @refs from snapshot)
```bash
agent-browser click @e1           # Click (--new-tab to open in new tab)
agent-browser dblclick @e1        # Double-click
agent-browser focus @e1           # Focus element
agent-browser fill @e2 "text"     # Clear and type
agent-browser type @e2 "text"     # Type without clearing
agent-browser keyboard type "text"     # Type with real keystrokes (no selector, current focus)
agent-browser keyboard inserttext "text"  # Insert text without key events (no selector)
agent-browser press Enter         # Press key
agent-browser press Control+a     # Key combination
agent-browser keydown Shift       # Hold key down
agent-browser keyup Shift         # Release key
agent-browser hover @e1           # Hover
agent-browser check @e1           # Check checkbox
agent-browser uncheck @e1         # Uncheck checkbox
agent-browser select @e1 "value"  # Select dropdown
agent-browser scroll down 500     # Scroll page (--selector <sel> for container)
agent-browser scrollintoview @e1  # Scroll element into view (alias: scrollinto)
agent-browser drag @e1 @e2        # Drag and drop
agent-browser upload @e1 file.pdf # Upload files
```

### Get information
```bash
agent-browser get text @e1        # Get element text
agent-browser get html @e1        # Get innerHTML
agent-browser get value @e1       # Get input value
agent-browser get attr @e1 href   # Get attribute
agent-browser get title           # Get page title
agent-browser get url             # Get current URL
agent-browser get count ".item"   # Count matching elements
agent-browser get box @e1         # Get bounding box
agent-browser get styles @e1      # Get computed styles
```

### Check state
```bash
agent-browser is visible @e1      # Check if visible
agent-browser is enabled @e1      # Check if enabled
agent-browser is checked @e1      # Check if checked
```

### Screenshots & PDF
```bash
agent-browser screenshot          # Screenshot (saves to temp dir if no path)
agent-browser screenshot path.png # Save to file
agent-browser screenshot --full   # Full page
agent-browser screenshot --annotate   # Annotated screenshot with numbered element labels
agent-browser pdf output.pdf      # Save as PDF
```

Annotated screenshots overlay numbered labels `[N]` on interactive elements. Each label corresponds to ref `@eN`, so refs work for both visual and text workflows:
```bash
agent-browser screenshot --annotate ./page.png
# Output: [1] @e1 button "Submit", [2] @e2 link "Home", [3] @e3 textbox "Email"
agent-browser click @e2     # Click the "Home" link labeled [2]
```

### Video recording
```bash
agent-browser record start ./demo.webm    # Start recording (uses current URL + state)
agent-browser click @e1                   # Perform actions
agent-browser record stop                 # Stop and save video
agent-browser record restart ./take2.webm # Stop current + start new recording
```
Recording creates a fresh context but preserves cookies/storage from your session.

### Wait
```bash
agent-browser wait @e1                     # Wait for element
agent-browser wait 2000                    # Wait milliseconds
agent-browser wait --text "Success"        # Wait for text
agent-browser wait --url "**/dashboard"    # Wait for URL pattern
agent-browser wait --load networkidle      # Wait for network idle
agent-browser wait --fn "window.ready"     # Wait for JS condition
```

Load states: `load`, `domcontentloaded`, `networkidle`

### Mouse control
```bash
agent-browser mouse move 100 200      # Move mouse
agent-browser mouse down left         # Press button (left/right/middle)
agent-browser mouse up left           # Release button
agent-browser mouse wheel 100         # Scroll wheel
```

### Semantic locators (alternative to refs)
```bash
agent-browser find role button click --name "Submit"
agent-browser find text "Sign In" click
agent-browser find label "Email" fill "user@test.com"
agent-browser find placeholder "Search..." fill "query"
agent-browser find alt "Logo" click
agent-browser find title "Close" click
agent-browser find testid "submit-btn" click
agent-browser find first ".item" click
agent-browser find last ".item" click
agent-browser find nth 2 "a" text
```

Actions: `click`, `fill`, `type`, `hover`, `focus`, `check`, `uncheck`, `text`
Options: `--name <name>` (filter role by accessible name), `--exact` (require exact text match)

### Browser settings
```bash
agent-browser set viewport 1920 1080      # Set viewport size
agent-browser set device "iPhone 14"      # Emulate device
agent-browser set geo 37.7749 -122.4194   # Set geolocation
agent-browser set offline on              # Toggle offline mode
agent-browser set headers '{"X-Key":"v"}' # Extra HTTP headers
agent-browser set credentials user pass   # HTTP basic auth
agent-browser set media dark              # Emulate color scheme
```

### Cookies & Storage
```bash
agent-browser cookies                     # Get all cookies
agent-browser cookies set name value      # Set cookie
agent-browser cookies clear               # Clear cookies

agent-browser storage local               # Get all localStorage
agent-browser storage local key           # Get specific key
agent-browser storage local set k v       # Set value
agent-browser storage local clear         # Clear all

agent-browser storage session             # Same for sessionStorage
```

### Network
```bash
agent-browser network route <url>              # Intercept requests
agent-browser network route <url> --abort      # Block requests
agent-browser network route <url> --body '{}'  # Mock response
agent-browser network unroute [url]            # Remove routes
agent-browser network requests                 # View tracked requests
agent-browser network requests --filter api    # Filter requests
```

### Tabs & Windows
```bash
agent-browser tab                 # List tabs
agent-browser tab new [url]       # New tab
agent-browser tab 2               # Switch to tab
agent-browser tab close           # Close tab
agent-browser window new          # New window
```

### Frames
```bash
agent-browser frame "#iframe"     # Switch to iframe
agent-browser frame main          # Back to main frame
```

### Dialogs
```bash
agent-browser dialog accept [text]  # Accept dialog (with optional prompt text)
agent-browser dialog dismiss        # Dismiss dialog
```

### Diff (compare snapshots, screenshots, URLs)
```bash
agent-browser diff snapshot                              # Compare current vs last snapshot
agent-browser diff snapshot --baseline before.txt        # Compare current vs saved snapshot file
agent-browser diff snapshot --selector "#main" --compact # Scoped snapshot diff
agent-browser diff screenshot --baseline before.png      # Visual pixel diff against baseline
agent-browser diff screenshot --baseline b.png -o d.png  # Save diff image to custom path
agent-browser diff screenshot --baseline b.png -t 0.2    # Adjust color threshold (0-1)
agent-browser diff url https://v1.com https://v2.com     # Compare two URLs (snapshot diff)
agent-browser diff url https://v1.com https://v2.com --screenshot  # Also visual diff
agent-browser diff url https://v1.com https://v2.com --selector "#main"  # Scope to element
```

### JavaScript
```bash
agent-browser eval "document.title"   # Run JavaScript
agent-browser eval -b "base64code"    # Run base64-encoded JS
agent-browser eval --stdin            # Read JS from stdin
```

### Debug & Profiling
```bash
agent-browser console                 # View console messages
agent-browser console --clear         # Clear console
agent-browser errors                  # View page errors
agent-browser errors --clear          # Clear errors
agent-browser highlight @e1           # Highlight element
agent-browser trace start             # Start recording trace
agent-browser trace stop trace.zip    # Stop and save trace
agent-browser profiler start          # Start Chrome DevTools profiling
agent-browser profiler stop profile.json  # Stop and save profile
```

### State management
```bash
agent-browser state save auth.json    # Save auth state
agent-browser state load auth.json    # Load auth state
agent-browser state list              # List saved state files
agent-browser state show <file>       # Show state summary
agent-browser state rename <old> <new>  # Rename state file
agent-browser state clear [name]      # Clear states for session
agent-browser state clear --all       # Clear all saved states
agent-browser state clean --older-than <days>  # Delete old states
```

### Setup
```bash
agent-browser install                 # Download Chromium browser
agent-browser install --with-deps     # Also install system deps (Linux)
```

## Global Options

| Option | Description |
|--------|-------------|
| `--session <name>` | Isolated browser session (`AGENT_BROWSER_SESSION` env) |
| `--session-name <name>` | Auto-save/restore session state (`AGENT_BROWSER_SESSION_NAME` env) |
| `--profile <path>` | Persistent browser profile (`AGENT_BROWSER_PROFILE` env) |
| `--state <path>` | Load storage state from JSON file (`AGENT_BROWSER_STATE` env) |
| `--headers <json>` | HTTP headers scoped to URL's origin |
| `--executable-path <path>` | Custom browser binary (`AGENT_BROWSER_EXECUTABLE_PATH` env) |
| `--extension <path>` | Load browser extension (repeatable; `AGENT_BROWSER_EXTENSIONS` env) |
| `--args <args>` | Browser launch args (`AGENT_BROWSER_ARGS` env) |
| `--user-agent <ua>` | Custom User-Agent (`AGENT_BROWSER_USER_AGENT` env) |
| `--proxy <url>` | Proxy server (`AGENT_BROWSER_PROXY` env) |
| `--proxy-bypass <hosts>` | Hosts to bypass proxy (`AGENT_BROWSER_PROXY_BYPASS` env) |
| `--ignore-https-errors` | Ignore HTTPS certificate errors |
| `--allow-file-access` | Allow file:// URLs to access local files |
| `-p, --provider <name>` | Cloud browser provider (`AGENT_BROWSER_PROVIDER` env) |
| `--device <name>` | iOS device name (`AGENT_BROWSER_IOS_DEVICE` env) |
| `--json` | Machine-readable JSON output |
| `--full, -f` | Full page screenshot |
| `--annotate` | Annotated screenshot with numbered labels (`AGENT_BROWSER_ANNOTATE` env) |
| `--headed` | Show browser window (`AGENT_BROWSER_HEADED` env) |
| `--cdp <port\|wss://url>` | Connect via Chrome DevTools Protocol |
| `--auto-connect` | Auto-discover running Chrome (`AGENT_BROWSER_AUTO_CONNECT` env) |
| `--color-scheme <scheme>` | Color scheme: dark, light, no-preference (`AGENT_BROWSER_COLOR_SCHEME` env) |
| `--download-path <path>` | Default download directory (`AGENT_BROWSER_DOWNLOAD_PATH` env) |
| `--native` | [Experimental] Use native Rust daemon (`AGENT_BROWSER_NATIVE` env) |
| `--config <path>` | Custom config file (`AGENT_BROWSER_CONFIG` env) |
| `--debug` | Debug output |

### Security options
| Option | Description |
|--------|-------------|
| `--content-boundaries` | Wrap page output in boundary markers (`AGENT_BROWSER_CONTENT_BOUNDARIES` env) |
| `--max-output <chars>` | Truncate page output to N characters (`AGENT_BROWSER_MAX_OUTPUT` env) |
| `--allowed-domains <list>` | Comma-separated allowed domain patterns (`AGENT_BROWSER_ALLOWED_DOMAINS` env) |
| `--action-policy <path>` | Path to action policy JSON file (`AGENT_BROWSER_ACTION_POLICY` env) |
| `--confirm-actions <list>` | Action categories requiring confirmation (`AGENT_BROWSER_CONFIRM_ACTIONS` env) |

## Configuration file

Create `agent-browser.json` for persistent defaults (no need to repeat flags):

**Locations (lowest to highest priority):**
1. `~/.agent-browser/config.json` — user-level defaults
2. `./agent-browser.json` — project-level overrides
3. `AGENT_BROWSER_*` environment variables
4. CLI flags override everything

```json
{
  "headed": true,
  "proxy": "http://localhost:8080",
  "profile": "./browser-data",
  "native": true
}
```

## Example: Form submission

```bash
agent-browser open https://example.com/form
agent-browser snapshot -i
# Output shows: textbox "Email" [ref=e1], textbox "Password" [ref=e2], button "Submit" [ref=e3]

agent-browser fill @e1 "user@example.com"
agent-browser fill @e2 "password123"
agent-browser click @e3
agent-browser wait --load networkidle
agent-browser snapshot -i  # Check result
```

## Example: Authentication with saved state

```bash
# Login once
agent-browser open https://app.example.com/login
agent-browser snapshot -i
agent-browser fill @e1 "username"
agent-browser fill @e2 "password"
agent-browser click @e3
agent-browser wait --url "**/dashboard"
agent-browser state save auth.json

# Later sessions: load saved state
agent-browser state load auth.json
agent-browser open https://app.example.com/dashboard
```

### Header-based Auth (Skip login flows)
```bash
# Headers scoped to api.example.com only
agent-browser open api.example.com --headers '{"Authorization": "Bearer <token>"}'
# Navigate to another domain - headers NOT sent (safe)
agent-browser open other-site.com
# Global headers (all domains)
agent-browser set headers '{"X-Custom-Header": "value"}'
```

### Authentication Vault
```bash
# Store credentials locally (encrypted). The LLM never sees passwords.
echo "pass" | agent-browser auth save github --url https://github.com/login --username user --password-stdin
agent-browser auth login github
```

## Sessions & Persistent Profiles

### Sessions (parallel browsers)
```bash
agent-browser --session test1 open site-a.com
agent-browser --session test2 open site-b.com
agent-browser session list
```

### Session persistence (auto-save/restore)
```bash
agent-browser --session-name twitter open twitter.com
# Login once, state persists automatically across restarts
# State files stored in ~/.agent-browser/sessions/
```

### Persistent Profiles
Persists cookies, localStorage, IndexedDB, service workers, cache, login sessions across browser restarts.
```bash
agent-browser --profile ~/.myapp-profile open myapp.com
# Or via env var
AGENT_BROWSER_PROFILE=~/.myapp-profile agent-browser open myapp.com
```

## JSON output (for parsing)

Add `--json` for machine-readable output:
```bash
agent-browser snapshot -i --json
agent-browser get text @e1 --json
```

## Local files

```bash
agent-browser --allow-file-access open file:///path/to/document.pdf
agent-browser --allow-file-access open file:///path/to/page.html
```

## CDP Mode

```bash
agent-browser connect 9222                                          # Local CDP port
agent-browser --cdp 9222 snapshot                                   # Direct CDP on each command
agent-browser --cdp "wss://browser-service.com/cdp?token=..." snapshot  # Remote via WebSocket
agent-browser --auto-connect snapshot                               # Auto-discover running Chrome
```

## Cloud providers

```bash
# Browserbase
BROWSERBASE_API_KEY="key" BROWSERBASE_PROJECT_ID="id" agent-browser -p browserbase open example.com

# Browser Use
BROWSER_USE_API_KEY="key" agent-browser -p browseruse open example.com

# Kernel
KERNEL_API_KEY="key" agent-browser -p kernel open example.com
```

## iOS Simulator

```bash
agent-browser device list                                        # List available simulators
agent-browser -p ios --device "iPhone 16 Pro" open example.com   # Launch Safari
agent-browser -p ios snapshot -i                                 # Same commands as desktop
agent-browser -p ios tap @e1                                     # Tap
agent-browser -p ios swipe up                                    # Mobile-specific
agent-browser -p ios close                                       # Close session
```

## Native Mode (Experimental)

Pure Rust daemon using direct CDP — no Node.js/Playwright required:
```bash
agent-browser --native open example.com
# Or: export AGENT_BROWSER_NATIVE=1
# Or: {"native": true} in agent-browser.json
```

---
Install: `bun add -g agent-browser && agent-browser install`. Run `agent-browser --help` for all commands. Repo: https://github.com/vercel-labs/agent-browser