ChatGPT and Claude
Use WhenNOT in ChatGPT and Claude
Ask your assistant to find a date that works for everyone, check who has answered, or book a call on a WhenNOT booking page. It uses your WhenNOT account, and you decide what it may do.
Connect in Claude
Open Settings, then Connectors, and browse for "WhenNOT". To add it by hand, choose a custom connector and enter https://whennot.com/api/mcp. You will be asked to sign in to WhenNOT and approve what Claude may do.
Connect in ChatGPT
Open the Apps (plugins) directory, find WhenNOT and choose Connect. You will be asked to sign in to WhenNOT and approve what ChatGPT may do.
What it can do
Polls
- Create a date poll. Starts a poll for a range of days or for time slots, ready to share.
- List my polls. Shows polls you created, co-organise or answered, and invitations waiting for you.
- Get poll results. Shows who answered and the best dates, the ones with the fewest people who cannot make it.
- Invite people to a poll. Emails an invitation to up to 10 addresses.
- Remind people who have not answered. Nudges the people who are still missing.
- Pick the final dates. Locks in the winning dates and tells everyone.
- Open a poll to answer. Shows a poll you were invited to, with the dates to choose from.
- Answer a poll. Marks the days or times you cannot make, as you.
Booking pages
- List my booking pages. Shows the booking pages you own or host, with their links.
- List my bookings. Shows your upcoming bookings.
- Find open times on a booking page. Shows the times still open, a week at a time, in your time zone.
- Book a time. Books one of the open times on a booking page for you.
- Move a booking. Moves one of your bookings to another open time.
- Cancel a booking. Cancels one of your bookings.
What it can see
You approve two permissions separately, and can approve just one.
Polls
- Create polls and see their results, including who answered
- Invite people, remind them and pick the final dates
- Answer polls as you
Booking pages
- See your booking pages and bookings
- Book times for you
- Cancel or move your bookings
Disconnect
Sign in to WhenNOT and open Profile, Connected apps to see every assistant that is connected and disconnect it. You can also remove WhenNOT in the settings of ChatGPT or Claude. Either way, access stops right away.
Privacy
WhenNOT receives only what the assistant sends to the tools above, for example a poll name or a chosen time. It never receives your conversation. Read the full details in our Privacy Policy.
Support
Something not working? Get in touch.