Model Context Protocol

StartupHub.ai Email Validator MCP

Connect your AI tools to validate and discover email addresses using the Model Context Protocol (MCP). Works with Claude, ChatGPT, Cursor, and more.

Try Email ValidatorLearn about MCP

Quick Connect

Add this URL to your AI client's MCP configuration. No authentication required.

https://www.startuphub.ai/api/mcp

Available Tools

The MCP server exposes five tools for email validation and discovery.

validate_email

Validates a single email address

Parameters: email

discover_email_by_name

Finds email using first name, last name, and company domain

Parameters: firstName, lastName, domain

discover_email_by_linkedin

Discovers email from a LinkedIn profile URL

Parameters: linkedinUrl

bulk_validate_emails

Validates multiple emails in one request

Parameters: emails (array)

check_api_status

Checks API health and usage

Supported Clients

The StartupHub MCP server uses Streamable HTTP transport and works with any MCP-compatible client.

Cursor
Claude Desktop
Claude.ai
ChatGPT
VS Code with Copilot
Windsurf
Raycast
Gemini Code Assist

Setup

Cursor

Add to .cursor/mcp.json (project or global):

JSON

{
  "mcpServers": {
    "startuphub-email-validator": {
      "url": "https://www.startuphub.ai/api/mcp"
    }
  }
}

Restart Cursor to load the MCP server.

Claude Desktop

Add to ~/.claude/mcp_config.json (macOS/Linux) or %USERPROFILE%\\.claude\\mcp_config.json (Windows):

JSON

{
  "mcpServers": {
    "startuphub-email-validator": {
      "url": "https://www.startuphub.ai/api/mcp"
    }
  }
}

Claude.ai & ChatGPT

Add as a custom connector (requires Pro/Plus/Max plans):

  • Open Settings → Connectors
  • Add custom connector
  • Name: StartupHub Email Validator
  • MCP server URL: https://www.startuphub.ai/api/mcp

stdio-only clients

For clients that only support stdio (e.g. some CLI tools), use mcp-remote:

JSON

{
  "mcpServers": {
    "startuphub-email-validator": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://www.startuphub.ai/api/mcp"]
    }
  }
}

One-Click Install

Use the add-mcp tool to install for all detected AI clients:

npx add-mcp https://www.startuphub.ai/api/mcp

Security

  • No authentication required for public endpoints
  • HTTPS only; all traffic is encrypted
  • Rate limits apply per API usage; see the email validator API
  • Official endpoint: https://www.startuphub.ai/api/mcp

Ready to validate emails?

Try the API directly or use the web interface.

Try Email ValidatorAPI Documentation