Test Mailbox alternatives

1

EmptyInbox

by cnohall

B

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

2

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

4

Email Spam Tester

by serg-tanichev

A

Test an email before it goes out: a disposable address, 41 checks with RFC citations, a fix plan.

5

Outlook Assistant

by littlebearapps

A

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

6

MCP Emails

by mcpemails.com

A

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

7

Shipmail

by shipmail-to

A

Shipmail MCP server for AI agent custom-domain email inboxes with REST API and webhooks.

8

Postfleet

by postfleet.ai

A

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

9

MailFlat

by MailFlat

B

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

Email-domain intelligence: MX capability, provider, disposable status, SPF, DMARC, and MTA-STS.

11

Email Finder Server

by admosolutionsgo-star

B

Extract emails and phones from any website via Apify.

12

Mailbox

by psyb0t

A

Self-hosted MCP server for unified IMAP/SMTP mailbox access: read, list, and send email.

13

Mimecast

by WYRE-AI

B

MCP server for Mimecast email security: message queue, held messages, domains, and threats.

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

Agent-Native Mail

by BuilderIO

A

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

17

Atomic Mail

by Atomic-Mail

A

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

18

Email Inbox API + Sending by Sendmux

by Sendmux

A

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

19

Local

by local-mcp.com

C

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

20

Clippy

by neilberkman

A

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

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

Fluxmail

by churichard

B

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

24

IntoDNS.ai DNS & Email Security Scanner

by intodns.ai

B

DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.