MCP Servers

hunter-mcp

Find email addresses for people at companies and verify email validity using the Hunter.io API.

README

Hunter.io MCP Server

MCP server for Hunter.io email finder and verifier.

Setup

Get your API key from Hunter.io
Create the secrets file:

mkdir -p ~/.claude/secrets/hunter
echo "HUNTER_API_KEY=your_api_key_here" > ~/.claude/secrets/hunter/.env

Install dependencies:

pnpm install

Add to your Claude config (~/.claude.json):

{
  "mcpServers": {
    "hunter": {
      "command": "npx",
      "args": ["tsx", "/Users/brenner/repos/hunter-mcp/src/index.ts"]
    }
  }
}

Tools

find_email_by_name

Find the most likely email address for a person at a company.

Parameters:

domain - Company domain (e.g., "stripe.com")
first_name - Person's first name
last_name - Person's last name

Returns: { email, score, status }

verify_email

Verify if an email address is valid and deliverable.

Parameters:

email - Email address to verify

Returns: { email, status, score }

Status values: valid, invalid, accept_all, webmail, disposable, unknown

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