Lettio MCP alternatives

1

Imap

by nikolausm

A

IMAP/SMTP MCP server to search, read, organize, send, reply & forward email for AI assistants

2

Fluxmail

by fluxmailai

B

Read, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.

3

Agent Email

by UseJunior

A

Local email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP

4

send0

by send0-dev

A

Email inboxes for AI agents: create an address, wait for codes and links, send and reply in threads.

5

Proton Mail (unofficial)

by sethbang

B

Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP

6

Microsoft 365 Mail

by mindstone

A

Microsoft 365 Outlook mail via Graph: read, search, send, reply, forward, draft, move, delete.

7

Pushizo

by pushizo.com

A

Push, email, SMS, in-app and journeys. 54 tools: reads and drafts; only test sends.

8

Mailbox

by jgalea

B

Multi-account email MCP server for Gmail, IMAP, and JMAP: search, send, drafts, labels.

Manage multiple Gmail accounts in Claude Desktop — search, send, reply, draft, and organize.

10

Postfleet

by postfleet.ai

A

Give an AI agent its own email address: send, reply, read, and wait for mail.

11

emailmd

by emailmd.dev

A

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

12

Inbox Zero

by elie222

A

Search Gmail and Outlook, save drafts, manage email rules, and view email stats.

13

Atomic Mail

by Atomic-Mail

A

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

14

Agenticmail

by agenticmail

B

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

15

Openagentemail

by openagentemail

B

Unlimited agent mailboxes — create identities, read/wait for mail, extract OTPs, send email.

16

MCPEmails

by mcpemails.com

A

Never-stored live email: read, send and triage Gmail, Outlook / Microsoft 365, or any IMAP mailbox.

17

Sendraven

by sendraven.ai

B

Email infrastructure for AI agents: send, read replies as threads, campaigns, per-key limits.

18

Gmail

by domdomegg

B

Allow AI systems to read, send, archive, and manage emails via Gmail.

19

MisarMail MCP Server

by Misar-AI

A

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

20

Sendsoon

by sendsoon

B

Send email, look up public IP information, and convert files to Markdown through SendSoon.

21

Clippy

by neilberkman

B

Copy AI-generated content to the macOS clipboard: rich Gmail-ready email drafts, text, and files

22

Qmailing

by qmailing.com

A

AI agents read & send email, manage mailboxes, domains and webhooks via the QMailing API.

23

Mailchimp

by cyanheads

A

Mailchimp via MCP: draft, test, and send campaigns; manage audiences and subscribers; pull reports.

24

AI

by sendsoon

B

Send email, look up public IP information, and convert files to Markdown through SendSoon.