Agent skill · software engineering · charleswiltgen
axiom-health
Use when working with HealthKit, WorkoutKit, health data, workouts, or fitness features on iOS or watchOS. Covers permissions, queries, background delivery, custom workouts, multidevice coordination.
Why this skill is useful
Provides specific HealthKit and WorkoutKit integration patterns and commands that the AI wouldn't reliably generate on its own.
What it needs
About 2k tokens when loaded. Last updated 2026-08-06. 1,103 stars on the source repository.
What this skill does
HealthKit and WorkoutKit You MUST use this skill for ANY HealthKit or WorkoutKit development including authorization, data queries, background delivery, workout sessions, planned workouts, wellbeing APIs (State of Mind), Medications, and Health Records. Quick Reference Symptom / Task Reference ---------------- ----------- HealthKit framework model, HKHealthStore, data types, sample vs characteristic data See skills/fundamentals.md Capability setup, requestAuthorization, purpose strings, read-asymmetry, privacy See skills/authorization-and-privacy.md HKSampleQuery, Swift Concurrency query APIs, HKStatisticsCollectionQuery, sample writes See skills/queries.md Anchored queries, observer queries, HKDeletedObject, background-delivery entitlement See skills/sync-and-background.md HKWorkoutSession, HKLiveWorkoutBuilder, recovery, multi-device, iOS/iPadOS/watchOS workout tracking See skills/workouts.md Workout zones (heart-rate/power effort bands), live + retrospective OS27 See skills/workouts.md WorkoutKit custom/planned workouts, scheduling, swimming workouts, previewing See skills/workoutkit.md State of Mind, Medications API, symptom logging, menopausal state, wellbeing APIs OS27 See skills/wellbeing-and-medications.md Health Records (FHIR), Mobility Health App, motion-based health See skills/clinical-and-mobility.md Cross-Suite Routes These topics overlap with HealthKit/WorkoutKit but live in separate suites: watchOS presentation Watch-specific workout presentation (Always On, Smart Stack), complication surfaces → See axiom-watchos Workout app structure on Apple Watch → See axiom-watchos (skills/platform-basics.md) Concurrency Swift 6 concurrency, actors, Sendable → See axiom-concurrency HealthKit queries bridging to Swift Concurrency → skills/queries.md is the canonical example SwiftUI Charts rendering for health data → See axiom-swiftui @Observable view models for health data → See axiom-swiftui Data and sync General cross-platform sync patterns (CloudKit, GRDB) → See …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills charleswiltgen/axiom-health--b225e5