Assistant Mail MCP alternatives

1

Agent-Native Mail

by BuilderIO

A

Agent-Native Superhuman - email client with keyboard shortcuts and AI triage

2

Atomic Mail

by Atomic-Mail

A

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

3

Agent Email

by UseJunior

A

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

4

SendGrid MCP Server

by deyikong

B

MCP server for SendGrid's v3 API: email marketing, transactional mail, templates, and analytics.

5

EmptyInbox

by cnohall

B

Zero-config disposable email inboxes for AI agents: create, read mail, await verify codes.

6

Postfleet

by postfleet.ai

A

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

7

Mailappmcp

by aernouddekker

A

MCP server for macOS Mail.app — gives Claude native email access via AppleScript

8

MCP

by openagentemail

B

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

Disposable email inboxes for AI agents: create, wait for mail, extract verification codes

10

Your Mail

by wildsurfer

B

Read-only, self-hosted MCP access to IMAP email, mirrored locally and indexed by notmuch.

11

SMTP

by ni-c

B

MCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation

12

MailFlat

by MailFlat

B

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

13

GoodSender

by good-sender

B

Free consent-based emailing, blog publishing, and interactive email template design tools

14

emailmd

by emailmd.dev

A

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

15

OpenOSINT

by OpenOSINT

C

AI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.

16

Email Inbox API + Sending by Sendmux

by Sendmux

A

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

17

Local

by local-mcp.com

C

Let ChatGPT, Claude & Cursor use your Mac: email, calendar, iMessage, Teams, files. Local, free.

18

Outlook Assistant

by littlebearapps

A

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

19

Clippy

by neilberkman

A

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

20

Emailens MCP

by emailens

A

Analyze, audit, fix and diff HTML, MJML, Maizzle and React Email across 21 email clients.

21

Impreza Host

by imprezahost

B

No-KYC offshore hosting an AI agent runs end-to-end: no-email signup, crypto, VPS, deploy, Tor.

22

MCP

by dechonet.com

A

20 domain recon tools for AI agents: DNS, SSL, headers, email, subdomains, lookalikes, changes.

23

MCP Emails

by mcpemails.com

A

Never-stored live email: read, send, organize, schedule and auto-triage Gmail or any IMAP mailbox.

24

Fluxmail

by churichard

B

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