Claude Relay – local Claude Code sessions message each other
Cross-session Claude messaging using Anthropic's research channels API.

Encrypted async messaging inside Claude Code with a delightful answering machine metaphor.
Claude Code users and AI agent developers
Slack · GitHub Comments · MCP Servers
Cross-session Claude messaging using Anthropic's research channels API.
Multi-Claude coordination via message bus—fills real isolation gap across Claude Code/Desktop/ai.
Feels good but lacks stickiness: no identity means no relationship building across messages.
SQLite as agent messaging layer means zero network overhead, no daemon running.
Self-hosted group chat with Claude built-in; Slack alternative exists, novelty wears off quickly.
Signal + Wire already offer disappearing E2E messages; code-based rooms add friction, not security.