langgraph_agent

LangGraph Agent Example (Single Agent)

This example demonstrates how to use LaunchDarkly's AI Config with LangGraph to create a single ReAct agent with tool support.

Prerequisites

• Python 3.10 or higher
• Poetry installed
• A LaunchDarkly account and SDK key
• API keys for the providers you want to use

Setup

1. Create the following config in your LaunchDarkly project. You can use a different key by setting the environment variable in your .env.

   • Create an AI Agent Config with a model and agent instructions. Default key: sample-agent-config.

2. Create a .env file in this directory with the following variables:

   LAUNCHDARKLY_SDK_KEY=your-launchdarkly-sdk-key
   LAUNCHDARKLY_AGENT_CONFIG_KEY=sample-agent-config
   

   Add the API keys for the providers you want to use:

   OPENAI_API_KEY=your-openai-api-key
   GOOGLE_API_KEY=your-google-api-key
   AWS_ACCESS_KEY_ID=your-access-key-id
   AWS_SECRET_ACCESS_KEY=your-secret-access-key
   

3. Install the required dependencies:

   poetry install

Run

poetry run agent