"Proton Mail" matching MCP servers:

• email-verify

  Baneado98

  A

  license

  A

  quality

  B

  maintenance

  Enables real-time email verification via MCP tools, checking syntax, MX, disposable domains, and optional SMTP probe to determine deliverability with a VALID/RISKY/INVALID verdict.

  Last updated 2026-06-22

  2

  11

  MIT

• HTML Email Playbook

  OsamaHassouna

  A

  license

  A

  quality

  A

  maintenance

  Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 components.

  Last updated 2026-06-02

  4

  MIT

• ldm-email-deliverability

  live-direct-marketing

  A

  license

  A

  quality

  D

  maintenance

  Programmatic email deliverability testing for AI agents. Create inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex — get per-provider placement (Inbox/Spam/Promotions), SPF/DKIM/DMARC auth, Rspamd & SpamAssassin verdicts, DNS health (MX, PTR, DNSBL), and live SSE results.

  Last updated 2026-04-23

  5

  109

  1

  MIT

• XEM Email MCP Server

  mailxem

  A

  license

  A

  quality

  D

  maintenance

  Enables interaction with the XEM Email API to send emails, manage campaigns, and organize contact lists. It supports features like HTML content, scheduling, template management, and bulk contact imports from CSV files.

  Last updated 2026-01-31

  7

  2

  MIT

• HubSpot Email MCP Server

  hdmt

  F

  license

  B

  quality

  D

  maintenance

  Enables management of HubSpot marketing emails from Claude Desktop, including listing, viewing, creating drafts, and updating emails through the HubSpot Marketing Email API.

  Last updated 2025-11-30

  4

  1

• Gemini Email Subject Generator

  falahgs

  F

  license

  B

  quality

  D

  maintenance

  An MCP server that utilizes Google's Gemini Flash 2 model to generate AI-driven email subjects and detailed reasoning processes. It enables users to send emails via SMTP with dynamic content and save complex brainstorming sessions to local files.

  Last updated 2025-04-13

  2

  2
• 

  email-on-acid-mcpofficial

  KnakLabs

  A

  license

  -

  quality

  C

  maintenance

  An MCP server exposing every documented Email on Acid API v5 request as a tool — 24 tools across authentication, email client lists, email rendering testing, and spam testing.

  Last updated 2026-07-20

  MIT

• agent-cold-email

  YS-projectcalc

  A

  license

  -

  quality

  B

  maintenance

  Agent-native cold-email infrastructure providing ~12 high-level tools for domain setup, mailbox provisioning, campaign launch, inbox management, and metrics, all operated via MCP or CLI.

  Last updated 2026-07-24

  MIT

• Gmail MCP Agent

  brandononchain

  A

  license

  -

  quality

  C

  maintenance

  Enables automated Gmail lead nurturing campaigns with intelligent follow-ups, response tracking, and 24/7 operation. Supports CSV-based contact management, template personalization, and real-time monitoring for enterprise-scale email outreach.

  Last updated 2026-06-19

  2

  MIT

• instagram-mcp

  anuj754

  A

  license

  -

  quality

  C

  maintenance

  MCP server providing seamless integration with Instagram's Graph API for business account management, content publishing, and analytics.

  Last updated 2026-05-09

  MIT

• MachFive Cold Email

  Bluecraft-AI

  A

  license

  -

  quality

  D

  maintenance

  Generate hyper-personalized cold email sequences per lead via AI. List campaigns, generate emails for individual leads or batches, and export results as CSV or JSON.

  Last updated 2026-03-01

  2

  MIT

• Water Bar Email MCP Server

  DRBATA

  A

  license

  -

  quality

  D

  maintenance

  Enables sending branded wellness booking confirmation emails through Resend integration. Supports multiple email flows including AOI experience bookings with AI-suggested drink pairings and timeline layouts.

  Last updated 2025-10-01

  MIT

• HubSpot Email MCP Server

  bcousin93

  A

  license

  -

  quality

  D

  maintenance

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

  Last updated 2025-10-22

  1

  MIT

• Jasper AI MCP Server

  latecheckout

  F

  license

  -

  quality

  D

  maintenance

  Enables content generation and style application using Jasper AI's marketing platform. Supports brand voices, style guides, and audience targeting for creating on-brand content through natural language.

  Last updated 2025-06-30

• Cold Email & Outreach MCP

  emily397

  F

  license

  -

  quality

  C

  maintenance

  Enables AI agents to draft evidence-grounded cold-email openers, A/B variants, personalized LinkedIn DMs, and SEO content-gap plans for sales and marketing outreach.

  Last updated 2026-06-18

• Cold Mail Agent MCP

  emSoumik

  -

  license

  -

  quality

  B

  maintenance

  Provides context-aware cold outreach guidance for AI clients via a single tool, cold_email_guidance, helping draft personalized and effective emails.

  Last updated 2026-07-22

• Cold Email Assistant

  AmeyMedewar

  F

  license

  -

  quality

  D

  maintenance

  Automates cold email outreach for job applications by parsing job postings, generating personalized emails using AI, and sending them or saving as drafts in Gmail with resume attachments.

  Last updated 2025-11-02

  1

• Mailgo Cold Mail Marketing

  leadsnaviDeveloper

  F

  license

  -

  quality

  C

  maintenance

  Mailgo Campaign Suite MCP Server AI-powered cold email campaign management through Model Context Protocol (MCP). Overview Mailgo Campaign Suite MCP Server connects your AI assistant directly to the Mailgo cold email platform. Through natural conversation, you can verify email addresses, claim pre-warmed mailboxes, launch campaigns, manage their lifecycle, and pull

  Last updated 2026-04-07

  5