Agent Browser
Headless browser automation CLI optimized for AI agents with accessibility tree snapshots and ref-based element selection
$ openclaw install agent-browser-clawdbot --registry http://localhost:13001下载说明
--- name: agent-browser description: Headless browser automation CLI optimized for AI agents with accessibility tree snapshots and ref-based element selection metadata: {"clawdbot":{"emoji":"🌐","requires":{"commands":["agent-browser"]},"homepage":"https://github.com/vercel-labs/agent-browser"}} ---
Agent Browser Skill
Fast browser automation using accessibility tree snapshots with refs for deterministic element selection.
Why Use This Over Built-in Browser Tool
**Use agent-browser when:**
- Automating multi-step workflows
- Need deterministic element selection
- Performance is critical
- Working with complex SPAs
- Need session isolation
**Use built-in browser tool when:**
- Need screenshots/PDFs for analysis
- Visual inspection required
- Browser extension integration needed
Core Workflow
bash# 1. Navigate and snapshot
agent-browser open https://example.com
agent-browser snapshot -i --json
# 2. Parse refs from JSON, then interact
agent-browser click @e2
agent-browser fill @e3 "text"
# 3. Re-snapshot after page changes
agent-browser snapshot -i --jsonKey Commands
Navigation
bashagent-browser open <url>
agent-browser back | forward | reload | closeSnapshot (Always use -i --json)
bashagent-browser snapshot -i --json # Interactive elements, JSON output
agent-browser snapshot -i -c -d 5 --json # + compact, depth limit
agent-browser snapshot -s "#main" -i # Scope to selectorInteractions (Ref-based)
bashagent-browser click @e2
agent-browser fill @e3 "text"
agent-browser type @e3 "text"
agent-browser hover @e4
agent-browser check @e5 | uncheck @e5
agent-browser select @e6 "value"
agent-browser press "Enter"
agent-browser scroll down 500
agent-browser drag @e7 @e8Get Information
bashagent-browser get text @e1 --json
agent-browser get html @e2 --json
agent-browser get value @e3 --json
agent-browser get attr @e4 "href" --json
agent-browser get title --json
agent-browser get url --json
agent-browser get count ".item" --jsonCheck State
bashagent-browser is visible @e2 --json
agent-browser is enabled @e3 --json
agent-browser is checked @e4 --jsonWait
bashagent-browser wait @e2 # Wait for element
agent-browser wait 1000 # Wait ms
agent-browser wait --text "Welcome" # Wait for text
agent-browser wait --url "**/dashboard" # Wait for URL
agent-browser wait --load networkidle # Wait for network
agent-browser wait --fn "window.ready === true"Sessions (Isolated Browsers)
bashagent-browser --session admin open site.com
agent-browser --session user open site.com
agent-browser session list
# Or via env: AGENT_BROWSER_SESSION=admin agent-browser ...State Persistence
bashagent-browser state save auth.json # Save cookies/storage
agent-browser state load auth.json # Load (skip login)Screenshots & PDFs
bashagent-browser screenshot page.png
agent-browser screenshot --full page.png
agent-browser pdf page.pdfNetwork Control
bashagent-browser network route "**/ads/*" --abort # Block
agent-browser network route "**/api/*" --body '{"x":1}' # Mock
agent-browser network requests --filter api # ViewCookies & Storage
bashagent-browser cookies # Get all
agent-browser cookies set name value
agent-browser storage local key # Get localStorage
agent-browser storage local set key valTabs & Frames
bashagent-browser tab new https://example.com
agent-browser tab 2 # Switch to tab
agent-browser frame @e5 # Switch to iframe
agent-browser frame main # Back to mainSnapshot Output Format
json{
"success": true,
"data": {
"snapshot": "...",
"refs": {
"e1": {"role": "heading", "name": "Example Domain"},
"e2": {"role": "button", "name": "Submit"},
"e3": {"role": "textbox", "name": "Email"}
}
}
}Best Practices
1. **Always use `-i` flag** - Focus on interactive elements 2. **Always use `--json`** - Easier to parse 3. **Wait for stability** - `agent-browser wait --load networkidle` 4. **Save auth state** - Skip login flows with `state save/load` 5. **Use sessions** - Isolate different browser contexts 6. **Use `--headed` for debugging** - See what's happening
Example: Search and Extract
bashagent-browser open https://www.google.com
agent-browser snapshot -i --json
# AI identifies search box @e1
agent-browser fill @e1 "AI agents"
agent-browser press Enter
agent-browser wait --load networkidle
agent-browser snapshot -i --json
# AI identifies result refs
agent-browser get text @e3 --json
agent-browser get attr @e4 "href" --jsonExample: Multi-Session Testing
bash# Admin session
agent-browser --session admin open app.com
agent-browser --session admin state load admin-auth.json
agent-browser --session admin snapshot -i --json
# User session (simultaneous)
agent-browser --session user open app.com
agent-browser --session user state load user-auth.json
agent-browser --session user snapshot -i --jsonInstallation
bashnpm install -g agent-browser
agent-browser install # Download Chromium
agent-browser install --with-deps # Linux: + system depsCredits
Skill created by Yossi Elkrief ([@MaTriXy](https://github.com/MaTriXy))
agent-browser CLI by [Vercel Labs](https://github.com/vercel-labs/agent-browser)
安装解析
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"readme": "---\nname: agent-browser\ndescription: Headless browser automation CLI optimized for AI agents with accessibility tree snapshots and ref-based element selection\nmetadata: {\"clawdbot\":{\"emoji\":\"🌐\",\"requires\":{\"commands\":[\"agent-browser\"]},\"homepage\":\"https://github.com/vercel-labs/agent-browser\"}}\n---\n\n# Agent Browser Skill\n\nFast browser automation using accessibility tree snapshots with refs for deterministic element selection.\n\n## Why Use This Over Built-in Browser Tool\n\n**Use agent-browser when:**\n- Automating multi-step workflows\n- Need deterministic element selection\n- Performance is critical\n- Working with complex SPAs\n- Need session isolation\n\n**Use built-in browser tool when:**\n- Need screenshots/PDFs for analysis\n- Visual inspection required\n- Browser extension integration needed\n\n## Core Workflow\n\n```bash\n# 1. Navigate and snapshot\nagent-browser open https://example.com\nagent-browser snapshot -i --json\n\n# 2. Parse refs from JSON, then interact\nagent-browser click @e2\nagent-browser fill @e3 \"text\"\n\n# 3. Re-snapshot after page changes\nagent-browser snapshot -i --json\n```\n\n## Key Commands\n\n### Navigation\n```bash\nagent-browser open <url>\nagent-browser back | forward | reload | close\n```\n\n### Snapshot (Always use -i --json)\n```bash\nagent-browser snapshot -i --json # Interactive elements, JSON output\nagent-browser snapshot -i -c -d 5 --json # + compact, depth limit\nagent-browser snapshot -s \"#main\" -i # Scope to selector\n```\n\n### Interactions (Ref-based)\n```bash\nagent-browser click @e2\nagent-browser fill @e3 \"text\"\nagent-browser type @e3 \"text\"\nagent-browser hover @e4\nagent-browser check @e5 | uncheck @e5\nagent-browser select @e6 \"value\"\nagent-browser press \"Enter\"\nagent-browser scroll down 500\nagent-browser drag @e7 @e8\n```\n\n### Get Information\n```bash\nagent-browser get text @e1 --json\nagent-browser get html @e2 --json\nagent-browser get value @e3 --json\nagent-browser get attr @e4 \"href\" --json\nagent-browser get title --json\nagent-browser get url --json\nagent-browser get count \".item\" --json\n```\n\n### Check State\n```bash\nagent-browser is visible @e2 --json\nagent-browser is enabled @e3 --json\nagent-browser is checked @e4 --json\n```\n\n### Wait\n```bash\nagent-browser wait @e2 # Wait for element\nagent-browser wait 1000 # Wait ms\nagent-browser wait --text \"Welcome\" # Wait for text\nagent-browser wait --url \"**/dashboard\" # Wait for URL\nagent-browser wait --load networkidle # Wait for network\nagent-browser wait --fn \"window.ready === true\"\n```\n\n### Sessions (Isolated Browsers)\n```bash\nagent-browser --session admin open site.com\nagent-browser --session user open site.com\nagent-browser session list\n# Or via env: AGENT_BROWSER_SESSION=admin agent-browser ...\n```\n\n### State Persistence\n```bash\nagent-browser state save auth.json # Save cookies/storage\nagent-browser state load auth.json # Load (skip login)\n```\n\n### Screenshots & PDFs\n```bash\nagent-browser screenshot page.png\nagent-browser screenshot --full page.png\nagent-browser pdf page.pdf\n```\n\n### Network Control\n```bash\nagent-browser network route \"**/ads/*\" --abort # Block\nagent-browser network route \"**/api/*\" --body '{\"x\":1}' # Mock\nagent-browser network requests --filter api # View\n```\n\n### Cookies & Storage\n```bash\nagent-browser cookies # Get all\nagent-browser cookies set name value\nagent-browser storage local key # Get localStorage\nagent-browser storage local set key val\n```\n\n### Tabs & Frames\n```bash\nagent-browser tab new https://example.com\nagent-browser tab 2 # Switch to tab\nagent-browser frame @e5 # Switch to iframe\nagent-browser frame main # Back to main\n```\n\n## Snapshot Output Format\n\n```json\n{\n \"success\": true,\n \"data\": {\n \"snapshot\": \"...\",\n \"refs\": {\n \"e1\": {\"role\": \"heading\", \"name\": \"Example Domain\"},\n \"e2\": {\"role\": \"button\", \"name\": \"Submit\"},\n \"e3\": {\"role\": \"textbox\", \"name\": \"Email\"}\n }\n }\n}\n```\n\n## Best Practices\n\n1. **Always use `-i` flag** - Focus on interactive elements\n2. **Always use `--json`** - Easier to parse\n3. **Wait for stability** - `agent-browser wait --load networkidle`\n4. **Save auth state** - Skip login flows with `state save/load`\n5. **Use sessions** - Isolate different browser contexts\n6. **Use `--headed` for debugging** - See what's happening\n\n## Example: Search and Extract\n\n```bash\nagent-browser open https://www.google.com\nagent-browser snapshot -i --json\n# AI identifies search box @e1\nagent-browser fill @e1 \"AI agents\"\nagent-browser press Enter\nagent-browser wait --load networkidle\nagent-browser snapshot -i --json\n# AI identifies result refs\nagent-browser get text @e3 --json\nagent-browser get attr @e4 \"href\" --json\n```\n\n## Example: Multi-Session Testing\n\n```bash\n# Admin session\nagent-browser --session admin open app.com\nagent-browser --session admin state load admin-auth.json\nagent-browser --session admin snapshot -i --json\n\n# User session (simultaneous)\nagent-browser --session user open app.com\nagent-browser --session user state load user-auth.json\nagent-browser --session user snapshot -i --json\n```\n\n## Installation\n\n```bash\nnpm install -g agent-browser\nagent-browser install # Download Chromium\nagent-browser install --with-deps # Linux: + system deps\n```\n\n## Credits\n\nSkill created by Yossi Elkrief ([@MaTriXy](https://github.com/MaTriXy))\n\nagent-browser CLI by [Vercel Labs](https://github.com/vercel-labs/agent-browser)\n"
}
}