Using plain text files as a personal health dashboard for an LLM
Health data becomes more useful when it can be read together instead of being trapped inside separate apps. Sleep from Whoop, weight from Withings, training from Strava, blood tests, DEXA, , and family history each show only one part of the picture.
The suggested setup avoids app and databases. It uses one folder with one plain text file for each topic, such as bloodwork.md, wearables.md, genetics.md, and training.md.
The most important file is , which tells the LLM to read every file first, never make up a number, cite the file behind each claim, and answer in a fixed format. The weekly routine is simple: add new data to the files, then ask the LLM for a current read on the whole picture.
Key points
- Put sleep, weight, training, bloodwork, DEXA, , and family history into one folder.
- Use separate for each topic so the LLM can read them clearly.
- Write instructions that require and forbid invented numbers.
- Update the files each week and ask for a fresh overall read.
- The approach needs no app or database.