"Email" matching MCP servers:

Enables users to validate the existence of email addresses through a simple FastMCP tool, offering JSON responses without requiring an API key.

Detects whether a company runs cold email outbound and identifies the email sending infrastructure, including sending domains, platforms, and authentication status.

Finds and verifies business email addresses using DNS/SMTP verification and web scraping, with no external API costs.

Enables MCP clients to find business leads with email addresses and other details from Google Maps, Apollo.io, and LinkedIn, with asynchronous extraction, job status checks, cost estimates, and structured downloads.

Performs comprehensive website health audits including SSL, DNS, email authentication, performance, uptime, and broken link checks, all without requiring API keys. Returns a scored report with weighted metrics and actionable recommendations.

Enables AI agents to research companies and find contacts with structured data from multiple free sources, including company info, tech stack, and email addresses.

Enables AI assistants to perform domain reconnaissance using theHarvester OSINT tool, including email harvesting, subdomain discovery, DNS brute force, and Shodan integration, via SSH on a Kali Linux host.

B2B lead generation MCP server with 20+ lead generation tools - Apollo scraping, Google Maps, email finder, email validator, mobile finder, skip trace, ecommerce store data, and more.

Enables AI coding agents and LLMs to scrape web pages into clean Markdown, audit email deliverability and authentication records, and verify email signup fraud risk through MCP tools.

DATPAQ exposes 34 production data & utility APIs — IP geolocation, DNS/WHOIS/MX lookups, email & phone validation, currency & precious-metals rates, aircraft/VIN lookups, web scraping & screenshots, and more — through one hosted, streamable-HTTP MCP endpoint.

Enables MCP clients to access Toolhouse's extensive library of tools, allowing AI assistants to perform actions like web scraping, memory management, and email sending through natural language commands.

Enables AI assistants to run a GTM lead pipeline that scrapes sources, applies ICP gates to disqualify leads, checks email deliverability, and requires human approval before any lead is marked qualified.

MCP server for Autodesk's Aware employee directory, enabling search for people by name, email, or title, fetching individual records, viewing org reporting lines, and reading your own profile. It uses your own logged-in session to access the same data as the web app, read-only.

Provides tools for lead discovery, company research, email finding, social media search, and CSV export to support AI-driven customer outreach and business development.

Finds, filters, and verifies local-business leads on demand; every returned email carries a verification receipt (verifier, verdict, timestamp). Credit-based with per-key spend budgets; 25 free validated leads at signup.

Generates AI-written personalized cold email opening lines from a prospect's website, with free preview for up to 3 prospects and paid batch processing for up to 500.

Enables autonomous B2B lead generation by discovering companies, scraping websites for contacts, decoding obfuscated emails, generating email permutations, and verifying email deliverability via MX and SMTP checks.

Automates backlink discovery and outreach for calcolatorigratis.com using Google CSE, Hunter.io, Open PageRank, and other APIs, enabling prospect search, email finding, and campaign management.

MCP server giving AI agents real-time web search, page scraping, company intelligence, email discovery, local lead generation, and a persistent knowledge graph. Pay only for what you use, no subscriptions.

Provides 9 utility APIs for AI agents covering DNS, email, IP, QR, WHOIS, URL health, headers, text extraction, and tech detection, with x402 micropayments on Base.