Show HN: Simple SDK for agent-to-agent communication

Category: infrastructure

Tags: agent-communication, multi-agent, realtime-messaging, ai-orchestration, typescript-sdk

Score: 7.3/10 (Innovation: 7, Technical: 7, Documentation: 8, Utility: 7)

Agent Relay is a real-time communication infrastructure for agent-to-agent coordination, enabling multi-agent workflows with channels, messages, and presence. It uniquely works with existing terminal-native agents like Claude Code and Codex without requiring runtime changes, combining SDK-first programmatic control with plugin-based usage. The project fills a growing need for agent orchestration layers in the AI ecosystem.

Target audience: backend devs, ai engineers, devops

Repository: https://github.com/AgentWorkforce/relay · TypeScript · Apache-2.0 · 638 stars

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