"Gmail - Google's Email Service" matching MCP servers:

Real-time email verification API with syntax, MX, disposable detection, role-based flags, quality score 0-100. Built for agent outreach pipelines with pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

Find professional email addresses from name + company domain. Tests 15+ patterns against MX records with confidence scoring, with pay-per-call via x402.

Enables Claude Code to create HubSpot marketing email drafts from Markdown and Word documents with automatic image handling and brand guidelines.

Enables finding and verifying work emails for contacts through a waterfall of provider keys, with per-provider cost attribution and verification after each finder.

Enables AI agents to read and create customers, jobs, estimates, invoices, calendar tasks, equipment, technicians, and reference data through the documented Service Fusion REST API, handling OAuth 2.0 and pagination automatically.

Enables Claude to manage Gmail, Google Calendar, and Google Contacts through a safety-first interface with soft-delete protections and draft-only email capabilities. Supports multiple Google accounts with comprehensive mutation logging and mandatory manual confirmation for destructive actions.

MCP server for emailfinder.dev that enables AI assistants to find verified professional email addresses via name/domain, LinkedIn URLs, company domains, roles, and email validation.

Outbound sales agent for Claude Code. MCP server handles prospect list building, dedup, quotas, and structured rejection feedback, while the plugin runs per-prospect research, email writing, Gmail sending, and reply tracking. Open source, self-hostable.

Enables B2B email discovery and contact enrichment via Snov.io, including domain email search, email profile lookup, and domain email count checks.

Validates email deliverability, assesses domain credibility, and scores B2B leads from A-F to help prioritize outreach, with batch processing and a free tier.

B2B email finder and reverse-email lookup tool for finding professional email addresses via findymail.com.

Enables interaction with ActiveCampaign email marketing and CRM via API v3 through natural language.

Enables AI models to send emails, manage contacts, and interact with SendGrid's email platform via MCP.

Enables multi-user remote MCP interactions with Gmail, OpenAI, and Salesforce via a FastMCP server.

Enables LLMs to access candidate information including resume, LinkedIn, GitHub, and contact via email.

Enables lightweight CRM pipeline management with email sequences, project scanning, and MCP-based interaction for AI agents.

Enables AI agents to manage Lever.co candidates and job requisitions, and send themed emails via Gmail API with OAuth 2.0.

Integrates with Service Desk Plus Cloud API to enable AI assistants perform CRUD operations on service desk entities, including request management, technician management, and email communication.

Enables querying and creating clients, service orders, collaborators, service requests, equipment, and other resources from the Field Control API directly in conversations with Claude.

MCP server for the Mamba Labs People Finder & Email Verifier actor on Apify. Give it a company domain, name or LinkedIn URL and it returns the people at that company who match your role, seniority and department filters, each as a structured contact record with an optional verified business email.