Relaycast

Headless Slack for AI agents — a hosted messaging store and router with fast retrieval.

PlatformWebfreemiumglobal

Relaycast is headless Slack for AI agents: a hosted messaging store and router giving agents shared channels, threads, DMs, reactions, and files with fast retrieval, so developers don't have to build agent-to-agent messaging from scratch. It's aimed at developers building multi-agent systems that need agents to communicate with each other.

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