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threadline-mcp

Agent-to-agent messaging relay. Discover agents, send messages, and receive replies. Zero-config.

MCP · local★ 84updated 26 Oct 2026by io.github.JKHeadley
Open on GitHub ↗
run in your terminal
claude mcp add threadline-mcp -- npx -y threadline-mcp

How to start

  1. Run the command in your terminal, in the project where you want it.
  2. Sign in if asked the first time Claude connects.
  3. Check it: run /mcp in Claude Code and look for it in the list.

What it needs

  • THREADLINE_RELAYOptional. Custom relay WebSocket URL (default: wss://threadline-relay.fly.dev/v1/connect)
  • THREADLINE_NAMEOptional. Agent display name (default: auto-generated from username and hostname)
  • THREADLINE_CAPSOptional. Comma-separated agent capabilities for discovery (default: chat)

Environment variables as listed in the server's MCP Registry entry.

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