browser-use

Files (36)

• SKILL.md
• development-and-troubleshooting.md · references/
• installation-and-environment.md · references/
• repo-provenance.md · references/
• repo-routing-metadata.json · references/
• inspect_browser_use_api.py · scripts/
• SKILL.md · sub-skills/agent-programming/
• agent-api.md · sub-skills/agent-programming/references/
• troubleshooting.md · sub-skills/agent-programming/references/
• workflows.md · sub-skills/agent-programming/references/
• SKILL.md · sub-skills/browser-control/
• browser-api.md · sub-skills/browser-control/references/
• browser-recipes.md · sub-skills/browser-control/references/
• security-and-dom.md · sub-skills/browser-control/references/
• troubleshooting.md · sub-skills/browser-control/references/
• SKILL.md · sub-skills/cli-and-sessions/
• cli-reference.md · sub-skills/cli-and-sessions/references/
• session-recipes.md · sub-skills/cli-and-sessions/references/
• troubleshooting.md · sub-skills/cli-and-sessions/references/
• cli_smoke.sh · sub-skills/cli-and-sessions/scripts/
• SKILL.md · sub-skills/llm-and-output/
• cost-and-fallbacks.md · sub-skills/llm-and-output/references/
• models-and-credentials.md · sub-skills/llm-and-output/references/
• structured-output.md · sub-skills/llm-and-output/references/
• troubleshooting.md · sub-skills/llm-and-output/references/
• SKILL.md · sub-skills/production-integrations/
• cloud-and-sandbox.md · sub-skills/production-integrations/references/
• integrations-and-monitoring.md · sub-skills/production-integrations/references/
• mcp-and-skills.md · sub-skills/production-integrations/references/
• troubleshooting.md · sub-skills/production-integrations/references/
• SKILL.md · sub-skills/tools-and-actions/
• custom-tools.md · sub-skills/tools-and-actions/references/
• default-actions.md · sub-skills/tools-and-actions/references/
• security-and-files.md · sub-skills/tools-and-actions/references/
• troubleshooting.md · sub-skills/tools-and-actions/references/
• validate_custom_tool.py · sub-skills/tools-and-actions/scripts/

SKILL.md (first lines)

# Browser Use Repo Skill

Browser Use is a Python >=3.11 library and CLI for AI agents that control Chromium/CDP browsers, extract page content, call LLMs, and run browser automation locally or in Browser Use Cloud.

Use this root skill as a router. Read only the sub-skill needed for the user's task, then follow its linked references/scripts.

## First Checks

Read `references/repo-provenance.md` before deciding whether this skill matches a current checkout. If the commit, dirty paths, package version, or public entry points differ, refresh this skill from repository evidence.

Install and smoke-check a normal user environment with `uv`:

```bash
uv venv --python 3.11
source .venv/bin/activate
uv pip install "browser-use[cli]"
uvx browser-use install
python - <<'PY'
from browser_use import Agent, Browser, BrowserProfile, ChatBrowserUse, Tools, ActionResult
print('browser-use imports ok')
PY
```

For the Rust-powered beta/native runtime, install the documented native core extra when the platform wheel is available:

```bash
uv pip install "browser-use[core]"
```

Do not replace user-provided model names. When recommending a default for browser automation, prefer `ChatBrowserUse()` because it is optimized for Browser Use tasks.

## Route by User Request

| User request | Read |
| --- | --- |
| Python `Agent(...)`, beta agent, task prompts, `agent.run()`, callbacks, history, initial actions, skills, planning, flash mode, max steps/timeouts | `sub-skills/agent-programming/SKILL.md` |
| `Browser`, `BrowserSession`, `BrowserProfile`, local/real Chrome, CDP URL, cloud browser, proxies, domains, downloads, HAR/video, DOM, screenshots, Actor APIs | `sub-skills/browser-control/SKILL.md` |
| Custom `Tools`/`Controller` actions, default actions, `ActionResult`, parameter injection, file tools, sensitive data, upload/download guardrails | `sub-skills/tools-and-actions/SKILL.md` |
| `ChatBrowserUse`, OpenAI/Google/Anthropic/other providers, structured output, extraction LLMs, fallback models, token/cost tracking | `sub-skills/llm-and-output/SKILL.md` |
| Terminal `browser-use`/`bu` CLI navigation, state/click/type/upload/screenshot, sessions, profiles, cloud connect, tunnels, config, doctor/setup/init | `sub-skills/cli-and-sessions/SKILL.md` |
| `@sandbox`, Browser Use Cloud API, profile sync, MCP server/client, hosted skills, telemetry, Slack/Discord/email/webhook integrations | `sub-skills/production-integrations/SKILL.md` |

## Shared References and Scripts

- Read `references/installation-and-environment.md` for package extras, environment variables, Chromium install, telemetry opt-out, and contributor setup notes.
- Read `references/development-and-troubleshooting.md` for cross-cutting install/import/browser dependency failures and repo-maintainer commands.
- Run `scripts/inspect_browser_use_api.py` to check imports, signatures, package version, and CLI availability in a target Python environment.

## Common Defaults

- Use `ChatBrowserUse()` unless the user already chose another model.
- Load secrets from environment variables or a secret manager, not prompts or committed files.
- Use `Browser(use_cloud=True)` when the user asks how to improve Browser performance in production; it provisions an optimized Browser Use Cloud browser when `BROWSER_USE_API_KEY` is set.
- Add `allowed_domains` when the workflow handles credentials, private data, uploads, or authenticated sessions.
- Use Pydantic v2 models for structured outputs and custom action schemas.
- Use `uv` for development and installation commands.

## Minimal Python Agent

```python
import asyncio
from browser_use import Agent, ChatBrowserUse

async def main():
    agent = Agent(task="Find the top Hacker News story title", llm=ChatBrowserUse())
    history = await agent.run(max_steps=20)
    print(history.final_result())

asyncio.run(main())
```

## Minimal Browser Configuration

```python
from browser_use import Browser

browser = Browser(
    headless=False,
    allowed_domains=["*.example.com"],
)
```

For production performance and stealth:

```python
from browser_use import Browser
browser = Browser(use_cloud=True)
```

## Minimal Custom Tool

```python
from browser_use import ActionResult, BrowserSession, Tools

tools = Tools()

@tools.action("Ask a human for a one-time approval code")
async def ask_code(question: str, browser_session: BrowserSession) -> ActionResult:
    return ActionResult(extracted_content="Human approval required; pause and ask the user.")
```

The injected browser parameter must be named exactly `browser_session` with type `BrowserSession`.

## Minimal CLI Workflow

```bash
browser-use doctor
browser-use open https://example.com
browser-use state
browser-use screenshot page.png
browser-use close
```

Use `--session NAME` for multiple independent browser sessions and `cloud connect` when a cloud browser is required.

## What Not to Do

- Do not point future agents to source checkout examples, tests, docs, or scripts as runtime dependencies; use this skill's bundled references and scripts.
- Do not put API keys, local profile paths, cookies, or cloud profile secrets in code snippets.

From VectorSpaceLab/AREX-Skill, MIT.

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