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Healthkit Sync

iOS HealthKit data sync CLI commands and patterns.

Rating: 3.9 (358 reviews)
Downloads: 625 downloads
Version: 1.0.0

Overview

iOS HealthKit data sync CLI commands and patterns.

Complete Documentation

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HealthKit Sync CLI

Securely sync Apple HealthKit data from iPhone to Mac over local network using mTLS.

When to Use This Skill

User asks about syncing health data from iPhone
User mentions healthsync CLI commands
User wants to fetch steps, heart rate, sleep, or workout data
User needs to pair a Mac with an iOS device
User asks about the iOS Health Sync project architecture
User mentions certificate pinning or mTLS patterns

CLI Quick Reference

Pairing Flow (First Time)

bash

# 1. Discover devices on local network
healthsync discover

# 2. On iOS app: tap "Share" to generate QR code, then "Copy"
# 3. Scan QR from clipboard (Universal Clipboard)
healthsync scan

# Alternative: scan from image file
healthsync scan --file ~/Desktop/qr.png

Fetching Health Data

bash

# Check connection status
healthsync status

# List enabled data types
healthsync types

# Fetch data as CSV (default)
healthsync fetch --start 2026-01-01T00:00:00Z --end 2026-12-31T23:59:59Z --types steps

# Fetch multiple types as JSON
healthsync fetch --start 2026-01-01T00:00:00Z --end 2026-12-31T23:59:59Z \
  --types steps,heartRate,sleepAnalysis --format json | jq

# Pipe to file
healthsync fetch --start 2026-01-01T00:00:00Z --end 2026-12-31T23:59:59Z \
  --types steps > steps.csv

Available Health Data Types

Activity: steps, distanceWalkingRunning, distanceCycling, activeEnergyBurned, basalEnergyBurned, exerciseTime, standHours, flightsClimbed, workouts

Heart: heartRate, restingHeartRate, walkingHeartRateAverage, heartRateVariability

Vitals: bloodPressureSystolic, bloodPressureDiastolic, bloodOxygen, respiratoryRate, bodyTemperature, vo2Max

Sleep: sleepAnalysis, sleepInBed, sleepAsleep, sleepAwake, sleepREM, sleepCore, sleepDeep

Body: weight, height, bodyMassIndex, bodyFatPercentage, leanBodyMass

Configuration

Config stored at ~/.healthsync/config.json (permissions: 0600):

json

{
  "host": "192.168.1.x",
  "port": 8443,
  "fingerprint": "sha256-certificate-fingerprint"
}

Token stored in macOS Keychain under service org.mvneves.healthsync.cli.

Security Architecture

Certificate Pinning

The CLI validates server certificates by SHA256 fingerprint (TOFU model):

First pairing stores fingerprint from QR code
Subsequent connections verify fingerprint matches
Mismatch = connection rejected (MITM protection)

Local Network Only

Host validation restricts connections to:

localhost, *.local domains
Private IPv4: 192.168., 10., 172.16-31.*
IPv6 loopback: ::1, link-local: fe80::

Keychain Storage

Tokens never stored in config file - always in Keychain with:

kSecAttrAccessibleWhenUnlocked protection class
Service: org.mvneves.healthsync.cli
Account: token-{host}

Project Structure

text

ai-health-sync-ios-clawdbot/
├── iOS Health Sync App/          # Swift 6 iOS app
│   ├── Services/Security/        # CertificateService, KeychainStore, PairingService
│   ├── Services/HealthKit/       # HealthKitService, HealthSampleMapper
│   ├── Services/Network/         # NetworkServer (TLS), HTTPTypes
│   └── Services/Audit/           # AuditService (SwiftData)
└── macOS/HealthSyncCLI/          # Swift Package CLI

Troubleshooting

"No devices found":

Ensure iOS app is running with sharing enabled
Both devices must be on same Wi-Fi network
Check firewall isn't blocking mDNS (port 5353)

"Pairing code expired":

Generate new QR code on iOS app (codes expire in 5 minutes)

"Certificate mismatch":

Delete ~/.healthsync/config.json and re-pair
Server certificate may have been regenerated

"Connection refused":

iOS app server may not be running
Run healthsync status --dry-run to test without connecting

Installation

Terminal bash


openclaw install healthkit-sync

Copied!

💻Code Examples

--types steps > steps.csv

---types-steps--stepscsv.txt

### Available Health Data Types

**Activity**: steps, distanceWalkingRunning, distanceCycling, activeEnergyBurned, basalEnergyBurned, exerciseTime, standHours, flightsClimbed, workouts

**Heart**: heartRate, restingHeartRate, walkingHeartRateAverage, heartRateVariability

**Vitals**: bloodPressureSystolic, bloodPressureDiastolic, bloodOxygen, respiratoryRate, bodyTemperature, vo2Max

**Sleep**: sleepAnalysis, sleepInBed, sleepAsleep, sleepAwake, sleepREM, sleepCore, sleepDeep

**Body**: weight, height, bodyMassIndex, bodyFatPercentage, leanBodyMass

## Configuration

Config stored at `~/.healthsync/config.json` (permissions: 0600):

}

.txt

Token stored in macOS Keychain under service `org.mvneves.healthsync.cli`.

## Security Architecture

### Certificate Pinning

The CLI validates server certificates by SHA256 fingerprint (TOFU model):
1. First pairing stores fingerprint from QR code
2. Subsequent connections verify fingerprint matches
3. Mismatch = connection rejected (MITM protection)

### Local Network Only

Host validation restricts connections to:
- `localhost`, `*.local` domains
- Private IPv4: `192.168.*`, `10.*`, `172.16-31.*`
- IPv6 loopback: `::1`, link-local: `fe80::`

### Keychain Storage

Tokens never stored in config file - always in Keychain with:
- `kSecAttrAccessibleWhenUnlocked` protection class
- Service: `org.mvneves.healthsync.cli`
- Account: `token-{host}`

## Project Structure

example.sh

# 1. Discover devices on local network
healthsync discover

# 2. On iOS app: tap "Share" to generate QR code, then "Copy"
# 3. Scan QR from clipboard (Universal Clipboard)
healthsync scan

# Alternative: scan from image file
healthsync scan --file ~/Desktop/qr.png

example.sh

# Check connection status
healthsync status

# List enabled data types
healthsync types

# Fetch data as CSV (default)
healthsync fetch --start 2026-01-01T00:00:00Z --end 2026-12-31T23:59:59Z --types steps

# Fetch multiple types as JSON
healthsync fetch --start 2026-01-01T00:00:00Z --end 2026-12-31T23:59:59Z \
  --types steps,heartRate,sleepAnalysis --format json | jq

# Pipe to file
healthsync fetch --start 2026-01-01T00:00:00Z --end 2026-12-31T23:59:59Z \
  --types steps > steps.csv

example.json

{
  "host": "192.168.1.x",
  "port": 8443,
  "fingerprint": "sha256-certificate-fingerprint"
}

example.txt

ai-health-sync-ios-clawdbot/
├── iOS Health Sync App/          # Swift 6 iOS app
│   ├── Services/Security/        # CertificateService, KeychainStore, PairingService
│   ├── Services/HealthKit/       # HealthKitService, HealthSampleMapper
│   ├── Services/Network/         # NetworkServer (TLS), HTTPTypes
│   └── Services/Audit/           # AuditService (SwiftData)
└── macOS/HealthSyncCLI/          # Swift Package CLI