OpenAI Agents SDK

Package

Lightweight Python and TypeScript framework for multi-agent workflows

Price: Free, open source
Access: OpenAI or other LLM API key

About

The OpenAI Agents SDK is an MIT-licensed library for agents with tools, handoffs, guardrails, sessions and built-in tracing. It defaults to OpenAI models but also works with 100+ other LLMs. You pay only for model usage.

What you can do with it

Build an agent that calls your Python functions and MCP tools
Hand off conversations between specialised agents with guardrails
Build realtime voice agents on OpenAI speech models

Get started

Install the package with pip install openai-agents
Set OPENAI_API_KEY in your environment

Example

from agents import Agent, Runner

agent = Agent(name="Assistant", instructions="You are a helpful assistant")
result = Runner.run_sync(agent, "Write a haiku about recursion in programming.")
print(result.final_output)

Details

Hosting: Runs locally
Available in: Worldwide
Official SDKs: Python, JavaScript/TypeScript
MCP server: None
Works with: OpenAI