Installation

This guide will help you install Agentle and its dependencies.

Basic Installation

You can install Agentle using pip:

pip install agentle

This will install the core Agentle package with minimal dependencies.

Installing with Optional Dependencies

Agentle has several optional dependencies for different features:

# Install with all optional dependencies
pip install "agentle[all]"

# Install with specific dependency groups
pip install "agentle[google]"     # Google AI integration
pip install "agentle[langfuse]"   # Langfuse observability
pip install "agentle[http]"       # BlackSheep ASGI server
pip install "agentle[streamlit]"  # Streamlit UI integration
pip install "agentle[cache]"      # Caching support (aiocache)

You can also combine dependency groups:

# Install with Google AI and Langfuse
pip install "agentle[google,langfuse]"

# Install for deployment with Google AI
pip install "agentle[google,asgi,langfuse]"

Installation from Source

To install the latest development version from source:

git clone https://github.com/paragon-intelligence/agentle.git
cd agentle
pip install -e .

Setting Up API Keys

Agentle requires API keys for the language model providers you plan to use:

Google AI

For Google AI models (Gemini), you’ll need a Google AI API key:

  1. Visit the Google AI Studio

  2. Click on “Get API key”

  3. Follow the instructions to create a project and API key

  4. Set the environment variable (or place it in your .env):

# Linux/macOS
export GOOGLE_API_KEY="your-google-api-key"

# Windows
set GOOGLE_API_KEY=your-google-api-key

OpenAI

For OpenAI models, you’ll need an OpenAI API key:

  1. Visit OpenAI API Keys

  2. Create a new API key

  3. Set the environment variable:

# Linux/macOS
export OPENAI_API_KEY="your-openai-api-key"

# Windows
set OPENAI_API_KEY=your-openai-api-key

Langfuse (for Observability)

To use Langfuse for tracing and observability:

  1. Sign up at Langfuse

  2. Create a new project

  3. Go to Settings → API Keys to get your Public and Secret keys

  4. Set the environment variables:

# Linux/macOS
export LANGFUSE_PUBLIC_KEY="your-langfuse-public-key"
export LANGFUSE_SECRET_KEY="your-langfuse-secret-key"
export LANGFUSE_HOST="https://cloud.langfuse.com"  # Optional

# Windows
set LANGFUSE_PUBLIC_KEY=your-langfuse-public-key
set LANGFUSE_SECRET_KEY=your-langfuse-secret-key
set LANGFUSE_HOST=https://cloud.langfuse.com

System Requirements

Agentle requires Python 3.13 or higher, with the following specifications:

  • Python 3.13+

  • 2GB RAM minimum (4GB+ recommended)

  • 500MB disk space

Compatibility

Agentle has been tested on the following platforms:

  • Ubuntu 20.04+ (Linux)

  • macOS 11+ (Big Sur or later)

  • Windows 10/11

  • Python 3.13+

Troubleshooting

If you encounter any installation issues:

  1. Ensure you have the latest pip version:

    pip install --upgrade pip
    
  2. Check for Python version compatibility:

    python --version
    
  3. For SSL certificate errors, you may need to:

    pip install --trusted-host pypi.org --trusted-host files.pythonhosted.org agentle
    
  4. If you see errors about aiocache when using knowledge integration with caching, install the optional dependency:

    pip install aiocache
    

Next Steps

Once Agentle is installed, you can:

  1. Check out the Quickstart guide to create your first agent

  2. Explore the core concepts of the framework

  3. Try the examples in the GitHub repository