Multimate MCP Server

A comprehensive Model Context Protocol (MCP) server deployed on Vercel that provides AI assistants with tools to interact with:

• Telegram — Send & read messages, list chat participants
• Slack — Read history, send messages, list channels & users
• Notion — Read/write pages, databases, blocks
• Google Sheets — Read, edit, create, append, delete sheets
• Google Docs — Create, read, edit, delete documents
• Google Calendar — List, create, update, delete events
• Gmail — List, read, send messages
• Web Search & Scrape — Search Google, scrape web pages (via Firecrawl)
• n8n — List, create, update, delete, trigger workflows & executions
• GitHub — List repos/issues/PRs, create issues, comment, commit files, check profile & notifications
• Discord — List channels, send messages, read message history
• Vercel — List/inspect projects & deployments, read logs, redeploy/cancel/promote, manage env vars, delete deployments/projects

🔌 Connecting AI Assistants to This MCP Server

Prerequisites

1. Deploy this repo to Vercel (or use an existing deployment URL)
2. (Optional) Set MCP_API_KEY environment variable in Vercel for auth

Connection URL

https://narihito-mcp-servers.vercel.app/api/mcp

Configuring AI Clients

{
  "mcpServers": {
    "multimate": {
      "url": "https://narihito-mcp-servers.vercel.app/api/mcp",
      "headers": {
        "x-api-key": "your-api-key-if-configured",
        "x-slack-token": "xoxb-...",
        "x-notion-token": "ntn_...",
        "x-telegram-session": "...",
        "x-google-access-token": "ya29...",
        "x-n8n-url": "https://...",
        "x-n8n-api-key": "...",
        "x-github-token": "ghp_...",
        "x-discord-bot-token": "...",
        "x-vercel-token": "...",
        "x-vercel-team-id": "team_... (optional, only for team-scoped accounts)"
      }
    }
  }
}

{
  "servers": {
    "multimate": {
      "type": "url",
      "url": "https://narihito-mcp-servers.vercel.app/api/mcp",
      "headers": {
        "x-api-key": "your-api-key-if-configured",
        "x-slack-token": "xoxb-...",
        "x-notion-token": "ntn_..."
      }
    }
  }
}

claude mcp add multimate --url https://narihito-mcp-servers.vercel.app/api/mcp \
  --header "x-api-key=..." \
  --header "x-slack-token=..."

🛠 Available Tools

Telegram

Slack

Notion

Google Sheets

Google Docs

Google Calendar

Gmail

Web

n8n (Workflow Automation)

GitHub

Discord

Vercel

📦 Authentication Headers

Each service requires specific headers. Pass them when connecting your AI client:

Environment Variables

Set these in the Vercel project (or a local .env for vercel dev):

🚀 Local Development

# Install dependencies
npm install

# Run with Vercel dev server
npm run dev

The MCP endpoint will be available at http://localhost:3000/api/mcp.

📁 Project Structure

├── api/
│   ├── mcp.ts              # Main MCP server handler (Vercel serverless)
│   ├── middleware.ts        # Auth & rate limiting middleware
│   ├── types.d.ts           # TypeScript declarations
│   ├── lib/
│   │   └── firecrawl.ts     # Firecrawl (web scraping) client
│   └── tools/
│       ├── index.ts         # All tool registrations (Telegram, Slack, Notion,
│       │                    #  Google, n8n, GitHub, Discord, Vercel, web)
│       └── helpers.ts       # Shared utilities (Google auth, Notion blocks, etc.)
├── vercel.json              # Vercel deployment config
├── package.json
└── tsconfig.json