What shipped, and how to build with it.
Release notes every couple of weeks, guides to the provider APIs and their quirks, and the occasional longer piece on getting health data into a shape you can work with.
Posts
Guides · · 5 min read
How to Build an AI Agent That Reasons Over Health Data
An AI agent that reasons over health data is different from one that reads it. Here is how the Open Wearables MCP server works and how to build the reasoning layer on top of it.
Guides · · 5 min read
How to Add Wearable Data to a Corporate Wellness Platform
Corporate wellness platforms need wearable data from multiple providers without requiring employees to switch devices. Here is what Open Wearables handles and what your application builds on top.
Guides · · 5 min read
Wearable Data Deduplication: How to Handle Users With Multiple Devices
Users with multiple wearables produce overlapping data. Here is how Open Wearables handles within-provider deduplication automatically and how the priority system resolves cross-provider conflicts.
Guides · · 6 min read
How to Structure Health Data for AI: What Your LLM Actually Needs
Raw wearable data breaks LLMs. Consistent structure does not. Here is what the Open Wearables data model looks like and how to decide what to pass to your model for each type of health question.
Guides · · 5 min read
What Is an Open Source Wearable API and When Does It Make Sense
An open source wearable API gives you the integration code itself, not just an endpoint. Here is what that means in practice, what Open Wearables provides, and when this approach fits your product.
Guides · · 5 min read
How to Add Wearable Support to an Existing Health App in Days, Not Months
Adding wearable support to an existing app does not require rebuilding your data layer. Open Wearables sits alongside your backend. Here is what the integration looks like and how long each step actually takes.
Garmin · · 8 min read
Garmin Connect API: What You Can Fetch and How to Do It Faster
The Garmin API gives you access to workouts, health metrics, and device data. Here is what you can retrieve, how the OAuth 1.0 flow works, and when it makes sense to use a ready-made integration layer instead of building from scratch.
Guides · · 6 min read
How to Handle OAuth, Webhooks, and Token Refresh Across Multiple Wearable Providers
Every wearable provider implements OAuth differently, delivers data through a different mechanism, and has different token lifecycle rules. Here is how Open Wearables abstracts all of it and what your application still needs to handle.
Guides · · 8 min read
How to Give Your LLM Access to Wearable Data
Most LLM integrations with health data dump raw numbers into context and hope for the best. Here is how to use the Model Context Protocol with Open Wearables so your LLM queries the right data and reasons about it.
Guides · · 4 min read
How to Build a HIPAA-Compliant Health App That Uses Wearable Data
HIPAA compliance starts with where data lives. Open Wearables is self-hosted: wearable data stays on your infrastructure. Here is what the platform provides and what you need to configure yourself.
Releases · · 5 min read
Open Wearables 0.6.3: nap detection and HTTP logs middleware
Open Wearables 0.6.3 adds nap detection for Apple and Oura, structured HTTP logs, an outgoing webhooks flag, and Strava workout samples.
Guides · · 8 min read
What wearable app development actually looks like in 2026
Most tutorials about wearable app development skip the hard parts. This article shows where the complexity actually lives: OAuth flows, token refresh, normalization, webhook-only providers. And what you can take off the shelf with Open Wearables.
The platform