instar

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

TypeScript

★ 86 stars Last pushed 2026-11-11 License: MIT

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Review any command before running it. Package names and URLs come from the server's own registry entry.

npx -y [email protected]

Or add to your MCP client config:

{
  "mcpServers": {
    "instar": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ]
    }
  }
}

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)

Search Gmail and Outlook, save drafts, manage email rules, and view email stats.

Search personal WhatsApp messages and contacts, and send messages to individuals or groups.

Search LinkedIn, Indeed, ZipRecruiter, Glassdoor and regional job boards

Open-source MCP server for LinkedIn. Give Claude and any MCP-compatible AI agent access to profiles, companies, jobs, and messages.

OAuth MCP for Google, Meta, X, LinkedIn, Reddit, TikTok, GSC, GA4, WordPress and GHL.

Telegram API integration: access user data, manage dialogs (chats, channels, groups), retrieve and send messages, and handle read status.

Data from the Official MCP Registry