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browser-use/docs/development/local-setup.mdx
2025-05-13 17:39:27 -07:00

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---
title: "Local Setup"
description: "Set up Browser Use development environment locally"
icon: "laptop-code"
---
## Prerequisites
Browser Use requires Python 3.11 or higher. We recommend using [uv](https://docs.astral.sh/uv/) for Python environment management.
## Clone the Repository
First, clone the Browser Use repository:
```bash
git clone https://github.com/browser-use/browser-use
cd browser-use
```
## Environment Setup
1. Create and activate a virtual environment:
```bash
uv venv --python 3.11
source .venv/bin/activate
```
2. Install dependencies:
```bash
# Install the package in editable mode with all development dependencies
uv sync --all-extras
# Install the default browser
playwright install chromium --with-deps --no-shell
```
## Configuration
Set up your environment variables:
```bash
# Copy the example environment file
cp .env.example .env
```
Or manually create a `.env` file with the API key for the models you want to use set:
```bash .env
OPENAI_API_KEY=...
ANTHROPIC_API_KEY=
AZURE_ENDPOINT=
AZURE_OPENAI_API_KEY=
GOOGLE_API_KEY=
DEEPSEEK_API_KEY=
GROK_API_KEY=
NOVITA_API_KEY=
```
<Note>
You can use any LLM model supported by LangChain. See
[LangChain Models](/customize/supported-models) for available options and their specific
API key requirements.
</Note>
## Development
After setup, you can:
- Try demos in the example library with `uv run examples/simple.py`
- Run the linter/formatter with `uv run ruff format examples/some/file.py`
- Run tests with `uv run pytest`
- Build the package with `uv build`
### Linting
```bash
# Run the linter on the whole project (must pass for PR to be allowed to merge)
uv run pre-commit run --all-files
# Install the linter & formatter pre-commit hooks to run automatically
pre-commit install --install-hooks
# Experimental: run the type checker
uv run type
```
### Tests
```bash
# Run tests
uv run pytest # run everything
uv run pytest tests/test_controller.py # run a specific test file
uv run pytest tests/test_sensitive_data.py tests/test_tab_management.py # run two test files
uv run pytest tests/test_tab_management.py::TestTabManagement::test_user_changes_tab # run a single test
```
### Build
```bash
uv build
uv pip install dist/*.whl
# bush build to PyPI (automatically run by Github Actions CI)
uv publish
```
## Getting Help
If you run into any issues:
1. Check our [GitHub Issues](https://github.com/browser-use/browser-use/issues)
2. Join our [Discord community](https://link.browser-use.com/discord) for support
<Note>
We welcome contributions! See our [Contribution Guide](/development/contribution-guide) for guidelines on how to help improve
Browser Use.
</Note>