MCP alternatives

1

Atomic Mail

by Atomic-Mail

A

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

2

Email Inbox API + Sending by Sendmux

by Sendmux

A

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

3

Anima

by anima-labs-ai

B

Give your AI agent an identity it owns: email inbox, US phone number, SMS, voice, and a vault.

One identity across Claude Code, Codex, Cursor, Gemini, Windsurf: shared inbox and handoffs.

5

SendSeven Messaging

by sendseven.com

A

Unified messaging MCP server: WhatsApp, Instagram, Telegram, SMS, Messenger & email support inbox

6

Agent Control — Agent Meter

by agent-control.net

B

Can I pay this address? ok·new·warn·sink. First 5 free. Then $0.10 USDC/look. Agents pay. No inbox.

7

Usero

by usero.io

B

Read your Usero feedback inbox and clusters, file feedback, build forms, and open an AI PR.

8

Sites by Clize

by clize.ai

A

Ship a real marketing site from your coding agent: domain, HTTPS and a working inbox.

9

Agent Inbox

by clize.ai

A

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

10

hostaway-kit

by stylabs

A

Read-only Hostaway MCP: listings, calendar, inbox, reports. Fixtures, no key. By STYLABS.

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

12

Chatgenius

by SumCodeAI

B

ChatGenius tools: Instagram, Facebook, WhatsApp and SMS inbox, contacts, bookings, flows, posts.

Read-only multi-inbox benefits radar with local deduplication and explicit account health.

14

octapi

by octapi.app

C

A business's WhatsApp front desk as tools: inbox, customers, catalogue, bookings, fees.

15

Mails.ai — Agent Email

by RolloutsAI

C

A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.