Front MCP alternatives

1

Atomic Mail

by Atomic-Mail

A

Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.

2

Email Inbox API + Sending by Sendmux

by Sendmux

A

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

3

Agenticmail

by agenticmail

B

Real email and SMS for AI agents — send mail, receive verification codes, drive a real inbox.

4

three.ws Notifications

by nirholas

B

Read the inbox, mark items read, manage delivery preferences, and register Web Push devices.

5

Outlook Assistant

by littlebearapps

A

Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.

6

Tomba MCP Server

by tomba-io

A

MCP server for Tomba email finder, verification, and contact enrichment API

7

Outlook

by rlrghb

A

Outlook & OneDrive MCP: personal & enterprise tools for mail, calendar, contacts, tasks, files

8

Google Workspace

by mindstone

A

Google Workspace MCP server for Gmail, Calendar, Drive, Docs, Sheets, Slides, Contacts, and more

9

MisarMail MCP Server

by Misar-AI

A

Send transactional email, run campaigns, manage contacts and automations, audit deliverability.

10

Outlook

by mcp-z

C

Outlook integration with OAuth, message search, batch operations, and calendar management

11

Agent Relay

by mmmikael

B

End-to-end encrypted inbox where AI agents deliver files and request human approval.

12

Gmail

by mcp-z

C

Gmail integration with OAuth authentication, message search, batch operations, and Sheets export

13

smbCloud Mail & Auth

by smbcloudXYZ

A

Email infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.

14

Outlook MCP

by mpalermiti

A

Microsoft Outlook personal accounts: mail, calendar, contacts, to-do, drafts (62 tools).

15

smails

by pexni

B

Free disposable email for AI agents: a throwaway inbox to read verification codes over MCP.

16

Impri

by sekera-radim

B

Impri MCP server — human-in-the-loop approval inbox for AI agents

Local-first, read-only MCP server for recall over your Gmail: search, contacts, threads, digests.

Local-first, read-only MCP server for recall over your Gmail: search, contacts, threads, digests.

19

Radmail

by radmail.ai

A

Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.

20

Zernio

by zernio.com

A

Schedule, publish, and analyze social media across 15+ platforms, plus inbox, ads, and analytics.

21

Nitrosend

by nitrosend.com

A

AI-native email marketing. Campaigns, automations, transactional, contacts, and analytics.

22

Ecc

by karljsamuel

B

Unified MCP server for Email, Calendar & Contacts (Google, M365, Zoho, IMAP/SMTP, DAV).

23

nintact

by nintact.com

B

Contact forms that actually arrive. No SPF/DKIM, no SMTP. AI sorts them and drafts the reply.

24

Multi-Account Gmail

by cunicopia-dev

A

Multi-account Gmail MCP server — read, search, draft, and label across every inbox.