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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.

  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