Leadloadz

A Model Context Protocol (MCP) server that connects AI assistants to the Leadloadz B2B lead generation platform.

Features

• Search Leads — Find verified B2B leads using natural language queries
• Verify Email — Real-time email verification with deliverability scoring
• Get Stats — Check your usage and remaining quotas
• Interactive Setup — Built-in wizard to get your API key
• Anonymous Telemetry — Helps us improve the product (no PII, opt-out via LEADLOADZ_DISABLE_TELEMETRY=1)

Quick Start

Don't have an API key yet?

Run the setup wizard:

npx @leadloadz/mcp-server --setup

This will guide you through creating an account and getting your API key.

Already have an API key?

Add it to your MCP client configuration (see below) and start using Leadloadz directly.

Installation

Via npx (recommended)

No installation required. AI clients can run the server directly:

npx -y @leadloadz/mcp-server

Via npm

npm install -g @leadloadz/mcp-server
leadloadz-mcp

Configuration

You need a Leadloadz API key to use this server.

1. Sign up at leadloadz.com
2. Go to Dashboard → API Tokens
3. Generate a new token
4. Copy the token value

Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "leadloadz": {
      "command": "npx",
      "args": ["-y", "@leadloadz/mcp-server"],
      "env": {
        "LEADLOADZ_API_KEY": "your-api-key-here"
      }
    }
  }
}

Cline (VS Code)

Add to your Cline MCP settings:

{
  "mcpServers": {
    "leadloadz": {
      "command": "npx",
      "args": ["-y", "@leadloadz/mcp-server"],
      "env": {
        "LEADLOADZ_API_KEY": "your-api-key-here"
      }
    }
  }
}

Other Clients

Any MCP client that supports stdio transport can use:

{
  "command": "npx",
  "args": ["-y", "@leadloadz/mcp-server"],
  "env": {
    "LEADLOADZ_API_KEY": "your-api-key-here"
  }
}

Environment Variables

Variable	Required	Default	Description
LEADLOADZ_API_KEY	Yes	—	Your Leadloadz API token
LEADLOADZ_API_BASE	No	https://leadloadz.com/api/mcp	API base URL (do not use www — redirects strip auth headers)
LEADLOADZ_TIMEOUT_MS	No	30000	Request timeout in milliseconds
LEADLOADZ_DISABLE_TELEMETRY	No	0	Set to 1 to disable anonymous usage telemetry

Tools

search_leads

Search indexed B2B contacts by role, company, location, or technology.

Parameters:

• query (string, required): Specific natural-language search query
• limit (number, optional): Max results. Default: 10, Cap: 50

Returns: Verified leads with deliverability scores

verify_email

Check email deliverability in real-time.

Parameters:

• email (string, required): Email address to verify

Returns: Deliverability score and risk assessment

get_user_stats

Read current usage counters.

Returns: Searches performed, emails verified, and remaining quota

Security

• Your API key is never logged or exposed in error messages
• All errors are sanitized to prevent information leakage
• Communication with Leadloadz APIs uses HTTPS

Support

• Website: leadloadz.com
• Issues: GitHub Issues

License

MIT