OpenClaw · WhatsApp
An OpenClaw alternative
for WhatsApp
OpenClaw is a full AI assistant you host yourself, and its WhatsApp channel runs on your machine. If what you want is your usual Claude or ChatGPT on WhatsApp and email, a hosted MCP server does that with nothing to run.
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Claude
ChatGPT
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GeminiTwo different tools
OpenClaw or a hosted MCP server?
OpenClaw is an open-source (MIT) personal AI assistant that you install and run yourself, with channels such as WhatsApp. According to its documentation, its WhatsApp channel uses WhatsApp Web through the Baileys library, and its gateway owns the session and the reconnect loop.
That makes OpenClaw a whole assistant: you pick the model, the channels and the rules, and you keep the gateway online on a computer or a server. Its documentation recommends a separate WhatsApp number, while also supporting a personal number with self-chat mode, and it answers unknown senders with a pairing code by default.
UnlimitedMessaging is not an assistant. It is the messaging layer: a hosted MCP server, https://mcp.unlimitedmessaging.app, that gives the assistant you already use, Claude, ChatGPT, Claude Code or Cursor, tools to read and send WhatsApp messages from your number and emails from your own mailbox. There is no gateway to keep running and no npm update to follow.
Neither is better in general. If you want full control and enjoy running your own agent, OpenClaw is a strong project. If you want WhatsApp and email in the assistant you already pay for, in five minutes, a hosted connector is the shorter path.
Side by side
OpenClaw on WhatsApp or your assistant with a hosted MCP server
What you run, what you get and who maintains it.
| OpenClawself-hosted assistant and gateway | Claude or ChatGPT + UnlimitedMessaginghosted MCP server | |
|---|---|---|
| What you get | A complete assistant you configure | WhatsApp and email tools for the assistant you already use |
| Where it runs | Your computer or server, gateway always on | Hosted, nothing to run |
| WhatsApp connection | WhatsApp Web through Baileys, session owned by your gateway | Linked device kept online by the service |
| Email from your mailbox | Depends on the channels you set up | Built in, over IMAP/SMTP |
| Maintenance | You update it and restart the gateway | Handled by the service |
| Cost | Free (MIT), plus your model and hosting costs | Free plan, then Medium at €19 or Max at €29 a month |
Setup
WhatsApp and email in your assistant, without a server
- 01
Create a free account
Sign up at app.unlimitedmessaging.app, without a credit card, and link your WhatsApp number by QR code.
- 02
Connect your mailbox
Add your own mailbox over IMAP/SMTP, Gmail with an app password or any provider.
- 03
Add the MCP server
In Claude, ChatGPT, Claude Code or Cursor, add https://mcp.unlimitedmessaging.app and approve the OAuth sign-in.
- 04
Use it
Ask your assistant to read, draft and send. It acts from your own number and address, and you can revoke access at any time.
FAQ
OpenClaw and WhatsApp: your questions
Sources
Sources & references
To check the information in this article for yourself:
Written by
Ilian · Senior Software Engineer
A senior software engineer, he founds and runs several tech companies. He builds products around messaging APIs, automation and AI integration, and shares here what he learns while building.
