Agent-to-agent messaging relay. Discover agents, send messages, and receive replies. Zero-config.
npx -y threadline-mcp{
"THREADLINE_RELAY": "YOUR_VALUE_HERE",
"THREADLINE_NAME": "YOUR_VALUE_HERE",
"THREADLINE_CAPS": "YOUR_VALUE_HERE"
}Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
{
"mcpServers": {
"io-github-jkheadley-threadline-mcp": {
"command": "npx",
"args": [
"-y",
"threadline-mcp"
],
"env": {
"THREADLINE_RELAY": "YOUR_VALUE_HERE",
"THREADLINE_NAME": "YOUR_VALUE_HERE",
"THREADLINE_CAPS": "YOUR_VALUE_HERE"
}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.jsonNo remote HTTP endpoint is advertised. Use the package or stdio setup shown in Install.
threadline-mcp is an MCP server for Agent-to-agent messaging relay. Discover agents, send messages, and receive replies. Zero-config.. It supports STDIO transport.
Use the generated config in Install. This server runs with npx -y threadline-mcp; add any required environment variables before starting your client.
Choose the Claude Desktop tab in Install and copy the config for npx -y threadline-mcp. Add required environment variables before starting Claude Desktop.
Choose the Claude Code tab in Install and copy the config for npx -y threadline-mcp. Add required environment variables before starting Claude Code.
Choose the Codex tab in Install and copy the config for npx -y threadline-mcp. Add required environment variables before starting Codex.
Choose the Cursor or VS Code tab in Install and copy the config for npx -y threadline-mcp. Add required environment variables before starting Cursor or VS Code.
threadline-mcp uses STDIO transport. Use the package or command config in Install.
threadline-mcp inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.
threadline-mcp does not advertise a verified auth requirement. If discovery fails, it may still need provider login, an API key, a bearer token, or a session header.
| Package | Registry | Version | Inputs |
|---|---|---|---|
threadline-mcpstdio | npm | 0.1.2 | Env: THREADLINE_RELAY Env: THREADLINE_NAME Env: THREADLINE_CAPS |