MCP Servers 22

Email Inbox API + Sending by Sendmux

io.github.Sendmux/sendmux-mcp

A✓Verified

AI email inbox and sending tools with attachments, search, live events, and webhooks.

Aruba Email & Calendar

io.github.jackfioru92/aruba-email

C✓Verified

MCP server for Aruba email and calendar via IMAP/SMTP/CalDAV

Email Automation

io.github.CSOAI-ORG/email-automation-mcp

A✓Verified

Email Automation MCP Server by MEOK AI Labs

Email Validator Ai

io.github.CSOAI-ORG/email-validator-ai-mcp

A✓Verified

Email Validator Ai MCP Server by MEOK AI Labs

Email2Chat

io.github.bayramcsb/email2chat-mcp

B✓Verified

Connect Claude to your Gmail and Outlook inbox.

OpenOSINT

io.github.SonoTommy/openosint

A✓Verified

AI-powered OSINT agent & MCP server.

Webhook.site MCP Server

io.github.zebbern/webhook-mcp-server

A✓Verified

Capture HTTP, email, and DNS callbacks with webhook.site from MCP clients.

Apple Mail

io.github.JonathanRReed/apple-mcp-mail

A✓Verified

Read, search, compose, and send emails via Apple Mail on macOS.

OWA Exchange MCP Server

io.github.nhype/owa-exchange-mcp

C✓Verified

MCP server for Microsoft Exchange / OWA — email, calendar, directory, availability

dead-letter

io.github.BigCactusLabs/dead-letter

B✓Verified

Convert .eml email exports to Markdown with YAML front matter

grad-agent

io.github.i-ninte/grad-agent

B✓Verified

Autonomous MCP agent for grad school applications: prof discovery, cold emails, SOP, tracking.

Presidio Hardened X402

io.github.presidio-v/presidio-hardened-x402-mcp

A✓Verified

Pre-payment PII screener for x402 — catches emails, SSNs, names before agents sign.

Byteplant

io.github.byteplant-dev/byteplant-mcp

D✓Verified

An MCP server that provides Email, Phone and Address Validation Services from Byteplant

Commune

io.github.shanjai-raj/commune-mcp

B✓Verified

Email and SMS MCP server for AI agents — 41 tools for inboxes, sending, search, and SMS.

agentmailkit

io.github.ariaxhan/agentmailkit

A✓Verified

Run scheduled LLM-written email digests from local files and feeds.

Marketing Content Production

io.github.atul0016/marketing-content-production

C✓Verified

Brand-safe ad, email, product description, and social content production.

Validator Ai

io.github.CSOAI-ORG/validator-ai-mcp

B✓Verified

AI-powered validator ai MCP server for agents.

WebVoice

io.github.supermarco74/webvoice-mcp

B✓Verified

WebVoice MCP: chat, TTS, STT, translate, images.

Customer Retention LTV

io.github.atul0016/customer-retention-ltv

C✓Verified

Customer LTV, churn risk, repurchase, lifecycle email, and winback intelligence.

Agentline

io.github.jgottlieb84/agentline-mcp

C✓Verified

Phone numbers, SMS, 2FA capture, voice calls, and email for AI agents.

MailFlatNew

io.github.MailFlat/mailflat-mcp

A✓Verified

Real email inboxes for AI agents: open an address, read the one-time code, send mail.

UnCorreoTemporal

io.github.francofuji/uncorreotemporal-mcp-server

B✓Verified

Temporary email for AI agents: create inboxes, wait for emails, extract OTPs, verify signups.