MCP serverOfficial registry

Threadline

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

by io.github.JKHeadleyv0.1.2GitHub npm

Power your agent

Add this server

The publisher's own command. Not a PlugMCP endpoint.

Local command

npx -y [email protected]

Credentials from the publisher

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

Provider

Claude Code

THREADLINE_RELAY=<value> THREADLINE_NAME=<value> THREADLINE_CAPS=<value> claude mcp add io.github.jkheadley-threadline-mcp -- npx -y [email protected]

Run in a terminal.

Claude Desktop

{
  "mcpServers": {
    "io.github.jkheadley-threadline-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "THREADLINE_RELAY": "<value>",
        "THREADLINE_NAME": "<value>",
        "THREADLINE_CAPS": "<value>"
      }
    }
  }
}

claude_desktop_config.json

Step-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Related MCP

Threadline

Add this server

Host a copy with our keys and logs.

More like this

Firecrawl

Notion

Context7