npm package discovery and stats viewer.

Discover Tips

  • General search

    [free text search, go nuts!]

  • Package details

    pkg:[package-name]

  • User packages

    @[username]

Sponsor

Optimize Toolset

I’ve always been into building performant and accessible sites, but lately I’ve been taking it extremely seriously. So much so that I’ve been building a tool to help me optimize and monitor the sites that I build to make sure that I’m making an attempt to offer the best experience to those who visit them. If you’re into performant, accessible and SEO friendly sites, you might like it too! You can check it out at Optimize Toolset.

About

Hi, 👋, I’m Ryan Hefner  and I built this site for me, and you! The goal of this site was to provide an easy way for me to check the stats on my npm packages, both for prioritizing issues and updates, and to give me a little kick in the pants to keep up on stuff.

As I was building it, I realized that I was actually using the tool to build the tool, and figured I might as well put this out there and hopefully others will find it to be a fast and useful way to search and browse npm packages as I have.

If you’re interested in other things I’m working on, follow me on Twitter or check out the open source projects I’ve been publishing on GitHub.

I am also working on a Twitter bot for this site to tweet the most popular, newest, random packages from npm. Please follow that account now and it will start sending out packages soon–ish.

Open Software & Tools

This site wouldn’t be possible without the immense generosity and tireless efforts from the people who make contributions to the world and share their work via open source initiatives. Thank you 🙏

© 2026 – Pkg Stats / Ryan Hefner

@validkit/mcp-server

v1.1.2

Published

Model Context Protocol (MCP) server for ValidKit email validation - works with Claude Code, Cursor, Windsurf, and any MCP-compatible AI assistant

Vulnerabilities

Powered byPowered by Snyk
  • 0High
  • 0Medium
  • 0Low

Links

Git

Maintainers

jesse-validkitjesse-validkit

Keywords

mcpemail-validationvalidkitmodel-context-protocolclaudecursorwindsurfai-tools

Readme

ValidKit MCP Server

npm downloads npm version TypeScript License: MIT

Model Context Protocol (MCP) server for ValidKit email validation. Validate emails directly from Claude Code, Cursor, Windsurf, and any MCP-compatible AI assistant -- syntax checks, MX record verification, disposable detection, and typo suggestions, all without leaving your editor.

Setup

Claude Code

claude mcp add validkit -e VALIDKIT_API_KEY=vk_your_api_key -- npx -y @validkit/mcp-server

Cursor

Add to .cursor/mcp.json:

{
  "mcpServers": {
    "validkit": {
      "command": "npx",
      "args": ["-y", "@validkit/mcp-server"],
      "env": {
        "VALIDKIT_API_KEY": "your_key"
      }
    }
  }
}

Windsurf

Add to ~/.codeium/windsurf/mcp_config.json:

{
  "mcpServers": {
    "validkit": {
      "command": "npx",
      "args": ["-y", "@validkit/mcp-server"],
      "env": {
        "VALIDKIT_API_KEY": "your_key"
      }
    }
  }
}

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "validkit": {
      "command": "npx",
      "args": ["-y", "@validkit/mcp-server"],
      "env": {
        "VALIDKIT_API_KEY": "your_key"
      }
    }
  }
}

Get Your API Key

Sign up for free at validkit.com/get-started -- 1,000 validations/month included.

Tools

validate_email

Validate a single email address. Returns deliverability status, syntax/DNS/MX checks, disposable/role/free detection, and typo suggestions.

"Validate the email [email protected]"

validate_emails_bulk

Validate up to 1,000 emails in one request. Returns individual results and summary counts.

"Validate these emails: [email protected], [email protected], [email protected]"

check_usage

Check your API usage stats — total requests, valid/invalid counts, average response time, and rate limit.

"Show my ValidKit usage stats"

Environment Variables

| Variable | Required | Description | |----------|----------|-------------| | VALIDKIT_API_KEY | Yes | Your ValidKit API key | | VALIDKIT_API_URL | No | Custom API URL (default: https://api.validkit.com) |

Testing with MCP Inspector

VALIDKIT_API_KEY=vk_test_... npx @modelcontextprotocol/inspector npx -y @validkit/mcp-server

Links

License

MIT