Integration · Communication
Connect Claude & ChatGPT to WinSMS
Ask your AI to text a customer, schedule a reminder or check whether a message was delivered. It can send an SMS to one number or up to 1,000 at once, schedule it for later and cancel scheduled messages. It also reads incoming replies, opt-outs and your WinSMS credit balance.
Free plan, no credit card. Takes about a minute.
Try asking
“Text 27821234567: Your order is ready for collection.”
The AI sends the SMS from your WinSMS account. It is a real message and uses credits.
“Send this reminder to these 40 numbers on Friday at 9:00.”
It sends one message to all recipients with a scheduled time, so it goes out on Friday.
“Was the reminder I just sent delivered?”
It checks the delivery status of the messages by their message IDs.
What your AI can do
Send and schedule
Send one SMS to up to 1,000 recipients now or at a scheduled time, and cancel scheduled messages before they go out.
Delivery and replies
Check delivery status by message ID and read incoming replies.
Opt-outs and credits
See which numbers have opted out, and check your credit balance before a large send.
“Has anyone replied?”
It lists incoming SMS replies so you can see who answered and what they wrote.
“Cancel Friday's scheduled reminder.”
It lists your scheduled messages, finds the reminder and cancels it so it is not sent.
“How many credits do we have left?”
It reads your WinSMS credit balance.
7 tools for WinSMS
These tools are switched on when you connect. You can switch any of them off, or require your approval before it runs.
cancel_scheduled_smsDeletesCancel scheduled SMS messages by their message IDs (`items`) so they are not sent.get_credit_balanceGet your WinSMS credit balance.get_sms_statusVisible to othersCheck delivery status of sent SMS messages by their message IDs (`items`).list_opt_outsList numbers that have opted out of receiving your SMS messages.list_scheduled_smsList SMS messages scheduled to be sent later, with paging (`limit`, `offset`).list_sms_repliesList incoming SMS replies, with paging (`limit`, `offset`).send_smsVisible to othersSend one SMS text (`message`) to up to 1,000 `recipients` (mobile numbers in international format without +). Optional `scheduled_time` to send later. This sends real messages and uses credits.
Set up in three steps
- 1
Pick the app
Create a free PipMCP account and choose WinSMS from the app list.
- 2
Paste your key
Paste your WinSMS API key. Log in to WinSMS and open My Profile > Developers tab to find it.
- 3
Add the link to your AI
You get a personal MCP link. Add it to Claude, ChatGPT or Cursor:
- Click your name, then Settings › Connectors › Add custom connector.
- Paste your link as the Remote MCP server URL.
- Switch it on from the + menu in a chat.
Questions
What can the AI do in WinSMS?
The AI can send and schedule SMS messages, cancel scheduled ones, check delivery status, list scheduled messages, incoming replies and opt-outs, and read your credit balance.
Does the AI see my WinSMS credentials?
No. Your WinSMS credentials are encrypted at rest and never shown to the AI. After you save them, they are not shown again, not even to you. The AI only sees the results of the tools it calls.
Can I control what the AI is allowed to do?
Yes. You choose which tools are switched on, so you can start read-only. Sending an SMS reaches real people and uses credits, and cancelling a scheduled message stops it from going out. Both can require your approval before they run. Every tool call is logged.
Does it work with ChatGPT?
Yes. In ChatGPT go to Settings › Apps & Connectors › Advanced and turn on Developer mode, then add your PipMCP link. Developer mode needs a paid ChatGPT plan: Plus, Pro, Business or Enterprise. The same link also works in Claude (Settings › Connectors › Add custom connector), Cursor and other MCP clients.
What does it cost?
PipMCP has a free plan with no credit card required. Paid plans bill per completed task. You also need your own WinSMS account. Sending SMS uses your WinSMS credits.
What number format does WinSMS need?
Mobile numbers go in international format without the plus sign, for example 27821234567. One send can have up to 1,000 recipients. If you give the AI numbers with a plus sign or spaces, it can rewrite them in this format first.
Let your AI work in WinSMS today.
Start free. Your key stays encrypted, and you decide what the AI may do.
Connect WinSMS freePipMCP is not affiliated with WinSMS. Product names are trademarks of their owners.