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Hunter.io MCP Server

Hunter.io MCP Server

by Meerkats-Ai
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Remote

Hunter.io MCP Server

This is a Model Context Protocol (MCP) server that integrates with the Hunter.io API to provide email finding and verification capabilities.

Features

  • Find email addresses using domain and name information

  • Verify email addresses for deliverability and validity

Related MCP server: Hunter MCP Server

Setup

Local Setup

  1. Clone this repository

  2. Install dependencies:

    npm install

  3. Create a .env file based on .env.example and add your Hunter.io API key:

    HUNTER_API_KEY=your_api_key_here

  4. Build the server:

    npm run build

  5. Start the server:

    npm start

Docker Setup

  1. Clone this repository

  2. Create a .env file with your Hunter.io API key

  3. Build and run using Docker Compose:

    docker-compose up -d

MCP Configuration

To use this server with an MCP client, add the following configuration to your MCP settings file:

{
  "mcpServers": {
    "hunter.io": {
      "command": "node",
      "args": ["path/to/hunter.io/dist/index.js"],
      "env": {
        "HUNTER_API_KEY": "your_api_key_here"
      },
      "disabled": false,
      "autoApprove": []
    }
  }
}

Available Tools

  • hunter_find_email: Find an email address using domain and name information

  • hunter_verify_email: Verify if an email address is valid and deliverable

License

ISC

Available Tools

5 tools
hunter_account_infoB

Get information regarding your Hunter account.

Inputs: no named parameters.

hunter_domain_searchC

Find all the email addresses corresponding to a website or company name.

Inputs: company, domain, limit, offset, +1 more.

hunter_email_countB

Know how many email addresses we have for a domain or a company.

Inputs: company, domain.

hunter_find_emailC

Find an email address using domain and name information.

Inputs: domain (required), company, first_name, full_name, +1 more.

hunter_verify_emailB

Verify if an email address is valid and deliverable.

Inputs: email (required).

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    Deploy Server
    One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

    TDQS

    A3.5/5.0

    Scored across 5 tools

    Disambiguation5/5

    Each tool has a clearly distinct purpose: account info retrieval, domain-wide email discovery, email count estimation, targeted email lookup, and email verification. There is no overlap or ambiguity between these functions, making tool selection straightforward for an agent.

    Naming Consistency5/5

    All tools follow a consistent 'hunter_verb_noun' pattern with snake_case, using descriptive verbs like 'account_info', 'domain_search', 'email_count', 'find_email', and 'verify_email'. This uniformity enhances predictability and readability.

    Tool Count5/5

    With 5 tools, this server is well-scoped for email discovery and verification tasks. Each tool serves a unique and necessary function, covering core operations without bloat or redundancy, making the count ideal for the domain.

    Completeness4/5

    The toolset provides comprehensive coverage for email discovery and verification workflows, including search, count, targeted lookup, and validation. A minor gap might be the absence of tools for managing saved searches or batch operations, but core functionality is complete.

    Resources

    Related MCP Connectors

    Related MCP Servers

    • Hunter MCP Server

      Hunter MCP Serverofficial

      hunter-io
      A
      license
      B
      quality
      F
      maintenance
      Provides integration between Hunter API and LLM providers supporting the MCP protocol, allowing natural language interaction with Hunter B2B data for finding and managing company and people information.
      6
      8
      MIT

    • mcp-hunter

      pipeworx-io
      A
      license
      Not graded
      quality
      C
      maintenance
      Wraps the Hunter.io email finder and verification API, enabling email lookup and verification via MCP.
      134 npm
      MIT