Yes, Emailfinder is free to use.

How do I install Emailfinder?

Emailfinder is a local plugin. Install it using npm package: emailfinder-mcp and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does Emailfinder need?

Emailfinder requires the following credentials or environment variables: EMAILFINDER_API_KEY. You can find setup instructions on the server detail page.

What AI apps work with Emailfinder?

Emailfinder uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

Back to Browse

Emailfinder MCP Server

by Xinxinhenaixin

Developer ToolsModerate7.0MCP RegistryLocal

Free

Server data from the Official MCP Registry

Find verified professional emails by name, domain, LinkedIn, or role.

About

Find verified professional emails by name, domain, LinkedIn, or role.

Security Report

7.0

Moderate7.0Low Risk

Valid MCP server (2 strong, 4 medium validity signals). 3 known CVEs in dependencies (0 critical, 3 high severity) Package registry verified. Imported from the Official MCP Registry.

3 files analyzed · 4 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

What You'll Need

Set these up before or after installing:

API key from emailfinder.dev/dashboard/settingsRequired

Environment variable: EMAILFINDER_API_KEY

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-xinxinhenaixin-emailfinder-mcp": {
      "env": {
        "EMAILFINDER_API_KEY": "your-emailfinder-api-key-here"
      },
      "args": [
        "-y",
        "emailfinder-mcp",
        "-y",
        "emailfinder-mcp"
      ],
      "command": "npx"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

emailfinder-mcp

MCP server for emailfinder.dev — find verified professional email addresses directly from AI assistants like Claude, Cursor, and Kiro.

Tools

Tool	Description	Credits
`find_email_by_person`	Name + domain → email	1
`find_email_by_linkedin`	LinkedIn URL → email	1
`find_company_emails`	Domain → list of emails	5
`find_decision_maker`	Role + domain → email	5
`validate_email`	Verify email deliverability	Free

Credits are only charged when an email is found.

Setup

Get your API key at emailfinder.dev/dashboard/settings.

Claude Desktop / Cursor / Kiro

Add to your MCP config:

{
  "mcpServers": {
    "emailfinder": {
      "command": "npx",
      "args": ["-y", "emailfinder-mcp"],
      "env": {
        "EMAILFINDER_API_KEY": "ef_live_your_key_here"
      }
    }
  }
}

Example usage

"Find the email for the CEO of stripe.com"

"Find emails at openai.com"

"What's the email for https://www.linkedin.com/in/johnsmith?"

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Emailfinder MCP Server

About

Security Report

Permissions Required

Findings (4)

What You'll Need

How to Install

Documentation

emailfinder-mcp

Tools

Setup

Claude Desktop / Cursor / Kiro

Example usage

Reviews

No reviews yet

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