关于 agent-browser
agent-browser 是用于浏览器自动化的命令行工具,面向需要操作网页和检查页面状态的 Agent 与开发者。它通过页面快照提供交互元素引用,并涵盖导航、表单操作、会话、截图和网络控制等能力。
主要功能
- 01导航并检查页面内容
- 02通过元素引用执行交互
- 03填写表单并检查状态
- 04管理会话、标签页与存储
- 05截图、录制视频和导出 PDF
- 06拦截网络请求
适用场景
- 01自动填写并提交网页表单
- 02复用已登录的浏览器状态
- 03截取页面或录制操作流程
- 04在多个隔离会话中操作网站
安装
复制下面的命令,在终端中运行。
$
npx skills add https:/ / github.com/ dmmulroy/ overseer --skill agent-browser安装后在 Claude Code 中输入/agent-browser确认已加载。
包含的文件
除 SKILL.md 外,安装时一起下载的参考资料和脚本。
references/authentication.mdproxy-support.mdsession-management.mdsnapshot-refs.mdvideo-recording.mdtemplates/authenticated-session.shcapture-workflow.shform-automation.sh详细介绍
使用 agent-browser 进行浏览器自动化
快速开始
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
核心工作流
- 导航:
agent-browser open <url> - 快照:
agent-browser snapshot -i(返回带有@e1、@e2等引用的元素) - 使用快照中的引用进行交互
- 导航或 DOM 发生重大变化后,重新获取快照
命令
导航
agent-browser open <url> # Navigate to URL (aliases: goto, navigate)
# Supports: https://, http://, file://, about:, data://
# Auto-prepends https:// if no protocol given
agent-browser back # Go back
agent-browser forward # Go forward
agent-browser reload # Reload page
agent-browser close # Close browser (aliases: quit, exit)
agent-browser connect 9222 # Connect to browser via CDP port
快照(页面分析)
agent-browser snapshot # Full accessibility tree
agent-browser snapshot -i # Interactive elements only (recommended)
agent-browser snapshot -c # Compact output
agent-browser snapshot -d 3 # Limit depth to 3
agent-browser snapshot -s "#main" # Scope to CSS selector
交互(使用快照中的 @ 引用)
agent-browser click @e1 # Click
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 press Enter # Press key (alias: 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 option
agent-browser select @e1 "a" "b" # Select multiple options
agent-browser scroll down 500 # Scroll page (default: down 300px)
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
获取信息
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 (font, color, bg, etc.)
检查状态
agent-browser is visible @e1 # Check if visible
agent-browser is enabled @e1 # Check if enabled
agent-browser is checked @e1 # Check if checked
截图和 PDF
agent-browser screenshot # Save to a temporary directory
agent-browser screenshot path.png # Save to a specific path
agent-browser screenshot --full # Full page
agent-browser pdf output.pdf # Save as PDF
视频录制
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
录制会创建新的上下文,但会保留会话中的 Cookie 和存储数据。如果未提供 URL,则会自动返回当前页面。若要录制流畅的演示,请先探索页面,再开始录制。
等待
agent-browser wait @e1 # Wait for element
agent-browser wait 2000 # Wait milliseconds
agent-browser wait --text "Success" # Wait for text (or -t)
agent-browser wait --url "**/dashboard" # Wait for URL pattern (or -u)
agent-browser wait --load networkidle # Wait for network idle (or -l)
agent-browser wait --fn "window.ready" # Wait for JS condition (or -f)
鼠标控制
agent-browser mouse move 100 200 # Move mouse
agent-browser mouse down left # Press button
agent-browser mouse up left # Release button
agent-browser mouse wheel 100 # Scroll wheel
语义定位器(引用的替代方案)
agent-browser find role button click --name "Submit"
agent-browser find text "Sign In" click
agent-browser find text "Sign In" click --exact # Exact match only
agent-browser find label "Email" fill "[email protected]"
agent-browser find placeholder "Search" type "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" hover
浏览器设置
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 (alias: 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 (alias: auth)
agent-browser set media dark # Emulate color scheme
agent-browser set media light reduced-motion # Light mode + reduced motion
Cookie 和存储
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
网络
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
标签页和窗口
agent-browser tab # List tabs
agent-browser tab new [url] # New tab
agent-browser tab 2 # Switch to tab by index
agent-browser tab close # Close current tab
agent-browser tab close 2 # Close tab by index
agent-browser window new # New window
框架
agent-browser frame "#iframe" # Switch to iframe
agent-browser frame main # Back to main frame
对话框
agent-browser dialog accept [text] # Accept dialog
agent-browser dialog dismiss # Dismiss dialog
JavaScript
agent-browser eval "document.title" # Run JavaScript
全局选项
agent-browser --session <name> ... # Isolated browser session
agent-browser --json ... # JSON output for parsing
agent-browser --headed ... # Show browser window (not headless)
agent-browser --full ... # Full page screenshot (-f)
agent-browser --cdp <port> ... # Connect via Chrome DevTools Protocol
agent-browser -p <provider> ... # Cloud browser provider (--provider)
agent-browser --proxy <url> ... # Use proxy server
agent-browser --headers <json> ... # HTTP headers scoped to URL's origin
agent-browser --executable-path <p> # Custom browser executable
agent-browser --extension <path> ... # Load browser extension (repeatable)
agent-browser --help # Show help (-h)
agent-browser --version # Show version (-V)
agent-browser <command> --help # Show detailed help for a command
代理支持
agent-browser --proxy http://proxy.com:8080 open example.com
agent-browser --proxy http://user:[email protected]:8080 open example.com
agent-browser --proxy socks5://proxy.com:1080 open example.com
环境变量
AGENT_BROWSER_SESSION="mysession" # Default session name
AGENT_BROWSER_EXECUTABLE_PATH="/path/chrome" # Custom browser path
AGENT_BROWSER_EXTENSIONS="/ext1,/ext2" # Comma-separated extension paths
AGENT_BROWSER_PROVIDER="your-cloud-browser-provider" # Cloud browser provider (select browseruse or browserbase)
AGENT_BROWSER_STREAM_PORT="9223" # WebSocket streaming port
AGENT_BROWSER_HOME="/path/to/agent-browser" # Custom install location (for daemon.js)
示例:提交表单
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 "[email protected]"
agent-browser fill @e2 "password123"
agent-browser click @e3
agent-browser wait --load networkidle
agent-browser snapshot -i # Check result
示例:使用已保存状态进行身份验证
# 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
会话(并行浏览器)
agent-browser --session test1 open site-a.com
agent-browser --session test2 open site-b.com
agent-browser session list
JSON 输出(用于解析)
添加 --json 以输出机器可读内容:
agent-browser snapshot -i --json
agent-browser get text @e1 --json
调试
agent-browser --headed open example.com # Show browser window
agent-browser --cdp 9222 snapshot # Connect via CDP port
agent-browser connect 9222 # Alternative: connect command
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 record start ./debug.webm # Record video from current page
agent-browser record stop # Save recording
深入阅读文档
如需了解详细模式和最佳实践,请参阅:
| 参考资料 | 描述 |
|---|---|
| references/snapshot-refs.md | 引用的生命周期、失效规则、故障排查 |
| references/session-management.md | 并行会话、状态持久化、并发抓取 |
| references/authentication.md | 登录流程、OAuth、双重身份验证处理、状态复用 |
| references/video-recording.md | 用于调试和文档编写的录制工作流 |
| references/proxy-support.md | 代理配置、地理位置测试、轮换代理 |
开箱即用的模板
适用于常见模式的可执行工作流脚本:
| 模板 | 描述 |
|---|---|
| templates/form-automation.sh | 带验证的表单填写 |
| templates/authenticated-session.sh | 登录一次,复用状态 |
| templates/capture-workflow.sh | 提取内容并截图 |
用法:
./templates/form-automation.sh https://example.com/form
./templates/authenticated-session.sh https://app.example.com/login
./templates/capture-workflow.sh https://example.com ./output
HTTPS 证书错误
对于使用自签名或无效证书的网站:
agent-browser open https://localhost:8443 --ignore-https-errors
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