Claude Fitness Cn

Claude Fitness Coach (Coach Paddy)

A data-driven, multi-sport AI fitness coach for Claude Code. Coach Paddy reads your watch + strength-log data, turns it into actionable coaching (morning readiness, evening recaps, weekly reviews, adaptive plans), records everything in plain-text local files you own, and surfaces it all in a mobile dashboard you can deploy to Vercel.

中文说明见下方

Supported wearables

The coaching logic never talks to a device directly — it reads six slots (sleep, hrv,
rhr, energy, load, activities). Each source fills what it can, and the Readiness algorithm
degrades explicitly when a slot is missing. Adding a device is a row in a mapping table, not a fork.

Garmin is the reference implementation and fills every slot. WHOOP is the closest
alternative — a real cloud API with OAuth, and its recovery % is a genuine Body Battery analogue.
Coros covers recovery and activities. Apple Watch is the odd one out: Apple publishes no
cloud API for HealthKit, so data has to be pushed off the phone by a Shortcut, and several metrics
simply don't exist. It runs a separate adapter skill — see
what it can't do.

Plus the strength layer, which no wearable covers:

Core logic

Everything is a transparent, tweakable formula in fitness-coach.md — no black box.

- Readiness Score (1-10) — base 5, adjusted by sleep, HRV, energy, RHR trend, and active injury. Drives whether today is a full, reduced, or rest day. Degrades explicitly on devices that can't fill every slot: a required subjective 1-5 question replaces a missing Body Battery, and the report states how many inputs produced the number.
- HRV via SWC — scored against *your own* trailing 28 days (μ ± 0.5×SD band + 7-day rolling mean) instead of a manufacturer's lagging status label. Source-agnostic by construction — it…