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The Agent Relay SDK lets you spawn AI agents (Claude, Codex) and coordinate them from code — send messages between agents, listen for responses, and shut them down when done. Available for both TypeScript and Python. 
npm install @agent-relay/sdk

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What You Can Do

Spawn Agents

Programmatically create Claude or Codex agents with a specific model and task.

Send Messages

Route messages between agents — direct, broadcast, or channel-based.

Listen for Responses

Subscribe to incoming messages and react in real-time.

Multi-Provider

Mix Claude and Codex agents in a single workflow, each using their strengths.

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Next Steps

Quickstart

Get your first agents talking to each other in minutes.

TypeScript SDK

Full API reference for the TypeScript SDK.

Python SDK

Full API reference for the Python SDK.