Your AI personal trainer,
inside ChatGPT
CorePT plugs into ChatGPT and Claude via MCP. Log workouts, track progress, and get coaching — all through natural conversation. No separate app needed.
Free during beta · No credit card required
Features
Everything your trainer would do
Guided sessions
Walk through your workout set by set. CorePT logs each set as you report it and keeps track of where you are.
Progress tracking
Visualise weight and body composition trends over time. See your PRs and get progression recommendations.
Adapts on the fly
Short on time? Injured? Just say so. CorePT redesigns your session instantly — no manual editing required.
Smart workout plans
Generate a full training programme in seconds. PPL, upper/lower, full body — CorePT builds it around your goals and schedule.
Swap exercises
Don't have the equipment? Swap any exercise for an alternative with a single message. Your plan updates instantly.
Just talk to it
No buttons, no forms. Tell ChatGPT what you want and CorePT handles the rest — logging, planning, adapting.
How it works
Up and running in minutes
Sign up for free
Create an account and get your personal MCP server URL and API key. Takes less than a minute.
Connect to ChatGPT or Claude
Paste your server URL into ChatGPT's MCP settings. CorePT's tools appear automatically — no plugins, no installs.
Start training
Say "let's train" or "build me a workout plan" and CorePT takes it from there. Your history and progress are saved automatically.