"Understanding File Systems" matching MCP connectors:

Free conversation exercises for understanding, reconnecting, and checking mutual readiness.

Big Five personality test

Counts calories and macros for any meal you describe (by weight, count or portion, in 19 languages) and returns a nutrition card with calories, protein, carbs, fat, fiber, sugar and salt per food, looked up in the BodyPal food database (USDA data and product labels). Read-only, no auth, no account. Live in the ChatGPT app directory. Publisher: Vancko Systems Ltd, https://bodypalapp.com

Serves the user's personal DNA wellness report to their AI: caffeine response, sleep timing, training, nutrient absorption. Built from a hand-checked evidence base (GWAS Catalog, PharmGKB); every finding states its effect size and links to its source paper. No disease risk scores. The raw DNA file is parsed in the user's browser and never uploaded.