ClientFlow Prospecting MCP

Automatic company search + mass email sending via Gmail.

Quick Setup

npm install
cp .env.example .env

Edit .env:

• BRIGHT_DATA_TOKEN — your Bright Data token

• GMAIL_USER — clientflow182@gmail.com

• GMAIL_PASSWORD — your Gmail App Password (not your normal password)

Get Gmail App Password

1. Go to https://myaccount.google.com/security

2. 2-Step Verification → enable it if not already

3. App passwords → select Mail + Windows Computer

4. Copy the 16-character password to .env

Related MCP server: Cold Email Assistant

Usage

npm run dev

In Claude:

Busca empresas en España, sector tech, 10-100 empleados y envía emails

The MCP will return a list of found emails. Confirm if you want to send.

Flow

1. Search: Bright Data searches for companies with criteria

2. Preview: Shows found emails

3. Confirmation: "Send to these emails"

4. Sending: Gmail sends the customized template

Deploy (Vercel)

git init
git add .
git commit -m "Prospecting MCP"
git remote add origin https://github.com/LopSsSs/clientflow-prospecting-mcp
git push -u origin main

vercel
# Agregar env vars en Vercel dashboard

Then configure in Claude Desktop settings.json:

{
  "mcpServers": {
    "clientflow-prospecting": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://tu-app.vercel.app/mcp", "--allow-http", "--transport", "http-only"]
    }
  }
}

Security

• Emails are actually sent via Gmail

• Uses app credentials (more secure than a password)

• Always asks for confirmation before mass sending

• Respect Gmail limits: ~500 emails/day