- This Whoop Hack Matches Heart Rates to Meeting Participants
- It can bond colleagues with higher stress levels
- The unofficial hack was carried out with the help of Claude Fable 5 AI
We’ve seen several examples of people hacking their Whoop groups before (including recently), but nothing quite on this level: One enterprising user connected their Whoop to their meeting schedule on Google Calendar and can now determine which of their colleagues is increasing their stress levels the most.
Developer Pankaj Tanwar has posted his custom setup to X, and it’s clearly something a lot of other people are interested in: at the time of writing, there are over 10 million views logged on the post.
We don’t have many details on how this was done, but Tanwar says he used Claude Fable’s AI model to reverse engineer his Whoop and extract the heart rate data. This was then compared to calendar meetings and colleagues in attendance.
“I now have a leaderboard and I think about it daily,” says Tanwar, who thoughtfully edited his screenshot so we can’t actually see which people make his blood boil more than others. This is a really interesting idea and a great example of hardware and software hacking that produces some truly interesting data.
More please
I connected my whoop to my work calendar to find which coworker is giving me the most stress 🚨using fable, I reverse engineered it to determine heart rate per minute. and peaks corresponding to cal events and participants. I now have a leaderboard and I think about it daily. Some information… pic.twitter.com/x1jdkW8JdZJune 10, 2026
Of course, it’s not an exact science: heart rate can vary for all sorts of reasons, including time of day and eating and drinking habits. It’s possible that it’s the meeting topics that get Tanwar’s heart rate racing, rather than the colleagues sitting with him.
It’s still a fun experiment, and while the Whoop doesn’t correctly identify which coworkers are causing the most stress, the data can be used to manage health and wellness during the workday, both in and out of meetings.
This is something I’d like to have on my own fitness tracker: the kind of information these AI-enhanced trackers should give us. Which colleague annoys me the most? What parts of my journey are the most stressful? What TV shows calm me down?
It’s also further evidence of the increasingly capable AI models we all have access to. Fable 5 has just launched globally and is already being used to produce next-level apps and tools with just a few prompt lines – see also these alternative Fitbit apps.
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