Agent Inbox alternatives

1

FranklyMail Agentic Inbox

by naylalabs

C

Read and search FranklyMail email and prepare drafts, replies, and forwards for human approval.

2

Atomic Mail

by Atomic-Mail

A

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

3

Email Inbox API + Sending by Sendmux

by Sendmux

A

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

4

Fluxmail

by churichard

C

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

5

MCP

by sendraven.ai

B

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

6

MX Probe

by mxprobe.dev

B

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

7

Ray notifications

by gege-mn

A

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

8

Email

by wraps.dev

A

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

9

MCP

by openagentemail

B

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

10

Meser10

by meser10

B

Operate the Meser 10 email and SMS platform from any MCP client. Read-only by default.

11

Lettio MCP

by lettio.eu

A

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

Email infrastructure for AI agents: send, authenticate domains, track delivery, diagnose issues.

13

Bird

by bird.com

A

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

14

Mailtea

by mailtea.app

A

Send email and newsletters with Mailtea over MCP, plus skills for email and website design.

15

IMAP MCP Pro

by Temple-of-Epiphany

A

Production IMAP & SMTP for Claude: multi-account email search, triage, send, and spam checks.

16

Siglio

by esigndev.com

C

MCP server for Siglio. Lets an AI assistant send documents for e-signature by email or text.

17

Sendhustle

by Achlesha

C

Send and manage email via the SendHustle API — emails, domains, contacts, audiences, campaigns.

18

Shaka

by shaka.rw

B

Company email for Rwanda. Read and send mail from a Shaka mailbox over OAuth or an API key.

19

Anjal

by anjal.app

B

Email inboxes and calendars for AI agents: send, receive, search, draft and schedule.

20

Sendly

by sendly.now

B

Send email, manage contacts, campaigns and workflows, and diagnose deliverability in Sendly.

21

Bottled

by bottled.email

B

Branded email on your own domain: send, reply, search, aliases, contacts and campaigns.

22

Mailbox MCP

by mailbox-mcp.com

B

Read, send, file and search email in any Gmail, Microsoft 365 or IMAP mailbox, plus its calendar.

23

Plumail

by plumail.fr

C

Manage a Plumail email workspace: subscribers, segments, campaigns, transactional sends and stats.

24

SentientMail

by sentientmail.com

C

AI-first email platform: templates, audiences, journeys. Sends real email when the key allows it.