Smartlead MCP Server

A Model Context Protocol (MCP) server that provides AI assistants with access to the Smartlead API for managing email campaigns, leads, email accounts, and analytics.

Features

This MCP server exposes 28 tools covering the core Smartlead API functionality:

Campaign Management (10 tools)

• create_campaign - Create a new email campaign

• get_campaign - Get campaign details by ID

• list_campaigns - List all campaigns

• update_campaign_schedule - Update scheduling settings

• update_campaign_settings - Update general settings

• update_campaign_status - Pause, stop, or start campaigns

• delete_campaign - Delete a campaign

• list_campaign_email_accounts - List email accounts for a campaign

• add_campaign_email_accounts - Add email accounts to a campaign

• remove_campaign_email_accounts - Remove email accounts from a campaign

Lead Management (9 tools)

• list_campaign_leads - List leads in a campaign (with pagination)

• add_leads_to_campaign - Add up to 100 leads to a campaign

• pause_lead - Pause a lead in a campaign

• resume_lead - Resume a paused lead

• delete_lead_from_campaign - Delete a lead from a campaign

• unsubscribe_lead_from_campaign - Unsubscribe lead from specific campaign

• get_lead_by_email - Get lead details by email address

• unsubscribe_lead_globally - Unsubscribe lead from all campaigns

• get_lead_campaigns - Get all campaigns for a lead

Email Account Management (5 tools)

• list_email_accounts - List all email accounts

• get_email_account - Get email account details

• update_warmup_settings - Configure email warmup settings

• get_warmup_stats - Get warmup statistics (last 7 days)

• reconnect_failed_accounts - Reconnect failed email accounts

Analytics (3 tools)

• get_campaign_statistics - Get detailed campaign statistics

• get_campaign_analytics - Get top-level campaign analytics

• get_campaign_analytics_by_date - Get analytics for a date range

Related MCP server: Zapmail MCP Server

Installation

1. Install dependencies:

npm install

2. Build the project:

npm run build

3. Get your Smartlead API key:

   • Log in to Smartlead

   • Navigate to Settings → Integrations

   • Copy your API key

4. Set up environment variables:

cp .env.example .env
# Edit .env and add your API key

Configuration

For Claude Desktop

Add this configuration to your Claude Desktop config file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "smartlead": {
      "command": "node",
      "args": ["/absolute/path/to/smartlead-mcp/build/index.js"],
      "env": {
        "SMARTLEAD_API_KEY": "your_api_key_here"
      }
    }
  }
}

For Other MCP Clients

Use the standard MCP server connection with:

• Command: node /path/to/smartlead-mcp/build/index.js

• Environment: SMARTLEAD_API_KEY=your_api_key_here

Usage Examples

Once configured, you can use natural language to interact with Smartlead through your AI assistant:

Campaign Management

"Create a new campaign called 'Q1 Outreach'"
"List all my campaigns"
"Update the campaign schedule to run Monday-Friday 9am-5pm EST"
"Pause campaign 12345"

Lead Management

"Add these 5 leads to campaign 12345: [lead data]"
"Show me all leads in campaign 12345"
"Pause lead 67890 in campaign 12345"
"Get all campaigns for the lead with email john@example.com"

Email Accounts

"List all my email accounts"
"Get warmup stats for email account 456"
"Enable warmup for email account 456 with 20 emails per day"

Analytics

"Get analytics for campaign 12345"
"Show me campaign statistics for campaign 12345 from 2025-01-01 to 2025-01-31"
"Get top-level analytics for campaign 12345"

Development

Build

npm run build

Watch mode (for development)

npm run watch

Project Structure

smartlead-mcp/
├── src/
│   ├── index.ts              # Main MCP server entry point
│   ├── smartlead-client.ts   # API client wrapper
│   ├── tools/                # MCP tool implementations
│   │   ├── campaigns.ts      # Campaign management tools
│   │   ├── leads.ts          # Lead management tools
│   │   ├── email-accounts.ts # Email account tools
│   │   └── analytics.ts      # Analytics tools
│   └── types/
│       └── smartlead.ts      # TypeScript type definitions
├── openapi.yaml              # OpenAPI spec reference
├── package.json
├── tsconfig.json
└── README.md

API Reference

This MCP server is built on the Smartlead API. For detailed API documentation, see:

• Smartlead API Documentation

• Authentication Guide

Security

• Never commit your API key to version control

• API keys are passed as query parameters to the Smartlead API (per their API design)

• Store your API key in environment variables only

• The .env file is gitignored by default

Troubleshooting

API Key Not Found

Error: SMARTLEAD_API_KEY environment variable is required

Solution: Make sure you've set the SMARTLEAD_API_KEY environment variable in your MCP client configuration.

API Errors

The server provides detailed error messages from the Smartlead API. Common issues:

• 401 Unauthorized: Invalid API key

• 404 Not Found: Campaign/Lead/Account ID doesn't exist

• 429 Too Many Requests: Rate limit exceeded (wait and retry)

Build Errors

# Clean build directory and rebuild
rm -rf build/
npm run build

License

MIT

Contributing

Contributions are welcome! Please feel free to submit issues or pull requests.

Support

For Smartlead API issues, contact Smartlead Support

For MCP server issues, please open an issue on this repository.