MachFive Cold Email MCP Server

MachFive MCP Server

What is MachFive MCP Server?

MCP (Model Context Protocol) is an open standard that lets AI assistants like Claude connect to external apps. Think of it as a universal translator between AI and software.

MachFive MCP Server is a connector that lets your AI assistants communicate directly with your MachFive account. Your AI can list campaigns, generate hyper-personalized cold email sequences, manage lead lists, and export results — all through natural conversation.

Instead of logging into MachFive, uploading CSVs, and waiting for results, you can simply tell your AI what you need:

• "Generate a 3-email sequence for jane@acme.com using my SaaS Founders campaign"
• "Show me my MachFive campaigns"
• "Submit these 50 leads for batch processing"
• "Check the status of my latest batch and export the results"

Your AI understands the request, connects to MachFive through MCP, and executes the action — all in seconds.

How to Set Up MachFive MCP

Step 1: Get Your API Key (2 min)

1. Log in to your MachFive account at app.machfive.io
2. Go to Settings → API Keys
3. Click Create API Key
4. Copy your key and store it securely

⚠️ Keep this key private — it's like a password to your MachFive account.

Step 2: Connect Your AI Client

Option A: Claude Desktop (Easiest)

1. Open the Claude Desktop app
2. Go to Settings → Connectors
3. Click Add custom connector
4. Enter:
   • Name: MachFive
   • Remote MCP server URL: https://mcp.machfive.io/mcp/YOUR_API_KEY
5. Replace YOUR_API_KEY with the API key you created
6. Click Add — no restart needed!

Option B: Claude Desktop (Config File)

If you prefer editing the config file directly:

1. Go to Settings → Developer → Edit Config
2. Add this to your config file (replace YOUR_API_KEY):

{
  "mcpServers": {
    "machfive": {
      "url": "https://mcp.machfive.io/mcp",
      "headers": {
        "Authorization": "Bearer YOUR_API_KEY"
      }
    }
  }
}

3. Save and restart Claude Desktop

Option C: Cursor

1. Open Cursor → Settings (⌘ + ,)
2. Search for MCP
3. Click Edit in settings.json
4. Add the following (replace YOUR_API_KEY):

{
  "mcpServers": {
    "machfive": {
      "url": "https://mcp.machfive.io/mcp",
      "headers": {
        "Authorization": "Bearer YOUR_API_KEY"
      }
    }
  }
}

5. Save and restart Cursor

Option D: n8n (AI Agents & Workflows)

For automating workflows with AI agents in n8n:

1. Add the MCP Client node to your workflow
2. Select Streamable HTTP as the transport option
3. Enter the URL: https://mcp.machfive.io/mcp/YOUR_API_KEY
4. Connect to your AI agent node

Option E: Other MCP Clients

For any MCP-compatible client, use the URL with your API key:

https://mcp.machfive.io/mcp/YOUR_API_KEY

This URL works with any client that supports Streamable HTTP transport.

Step 3: Test It! (30 sec)

Open your AI assistant and try:

"List my MachFive campaigns"

If you see your campaign list, you're connected! 🎉

Authentication

MachFive MCP supports three authentication methods:

The Bearer prefix is optional for the Authorization header.

Available Tools

MachFive MCP provides 6 tools for cold email generation:

📋 Campaigns

✉️ Email Generation

📦 List Management

What Can You Do?

✉️ Email Generation

• "Generate a cold email sequence for sarah@notion.so using my Gator 100 campaign"
• "Write 5 personalized emails for John Smith, VP of Sales at Acme Corp"
• "Generate emails for this lead with a focus on our ROI case study angle"

📦 Batc