Mails.ai — Agent Email alternatives

1

Atomic Mail

by Atomic-Mail

A

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

2

MCP

by sendraven.ai

B

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

3

Agent Email

by UseJunior

A

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

4

Postfleet

by postfleet.ai

A

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

5

MCP

by openagentemail

B

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

6

Bird

by bird.com

A

Send and receive across email, SMS, WhatsApp, and voice. One API, one contract.

7

SMTP

by ni-c

B

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

8

MailFlat

by MailFlat

B

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

9

Send Email

by hal9ai

B

Send emails from natural language prompts.

Read-focused, prompt-injection-hardened email MCP server for any IMAP provider

11

Agent Inbox

by clize.ai

A

A real email inbox for AI agents: human-approved sends, untrusted-by-default inbound.

Send, receive, monitor and reply to email from AI agents with threaded inbox context.

13

Agent-Native Mail

by BuilderIO

A

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

14

Email Inbox API + Sending by Sendmux

by Sendmux

A

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

15

MCP Emails

by mcpemails.com

A

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

16

Fluxmail

by churichard

B

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

17

SendGrid MCP Server

by deyikong

B

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

18

MX Probe

by mxprobe.dev

B

Email verification for AI agents: send, hold or kill with the reason. Signup and credits by API.

19

Ray notifications

by gege-mn

A

Send email, push, Slack, Discord, Telegram and webhook notifications and manage templates with Ray.

20

MCP

by sendsoon

B

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

21

EmptyInbox

by cnohall

B

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

22

Email

by wraps.dev

A

Query SES send history, delivery events, domains and suppressions, and send from your AWS account.

23

Mailappmcp

by aernouddekker

A

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

24

Lettio MCP

by lettio.eu

A

Private, EU-hosted email for AI agents over JMAP: read, search, reply, organize, send.