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io.github.xinxinhenaixin/emailfinder-mcp

Official registry Productivity

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

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package emailfinder-mcp
Claude Code 
claude mcp add emailfinder-mcp -e 'EMAILFINDER_API_KEY=<your emailfinder_api_key>' -- npx -y emailfinder-mcp@1.0.3
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "emailfinder-mcp": {
            "command": "npx",
            "args": [
                "-y",
                "emailfinder-mcp@1.0.3"
            ],
            "env": {
                "EMAILFINDER_API_KEY": "<your emailfinder_api_key>"
            }
        }
    }
}

Environment variables

  • EMAILFINDER_API_KEY required secret API key from emailfinder.dev/dashboard/settings

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

emailfinder-mcp

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

Tools

ToolDescriptionCredits
find_email_by_personName + domain → email1
find_email_by_linkedinLinkedIn URL → email1
find_company_emailsDomain → list of emails5
find_decision_makerRole + domain → email5
validate_emailVerify email deliverabilityFree

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?";

Frequently asked questions

What is io.github.xinxinhenaixin/emailfinder-mcp?

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

How do I install io.github.xinxinhenaixin/emailfinder-mcp?

It runs on your machine. In Claude Code: claude mcp add emailfinder-mcp -e 'EMAILFINDER_API_KEY=<your emailfinder_api_key>' -- npx -y emailfinder-mcp@1.0.3. For other clients, paste the JSON configuration from this page into their MCP settings.

Does io.github.xinxinhenaixin/emailfinder-mcp need an API key?

Yes. It expects EMAILFINDER_API_KEY, which you set in its configuration.

Is io.github.xinxinhenaixin/emailfinder-mcp open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains io.github.xinxinhenaixin/emailfinder-mcp?

It is published by xinxinhenaixin. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.