What wearable devices does Open Wearables support?

Open Wearables supports all major wearable providers via a single API, including Apple Watch, Fitbit, Garmin, and others, with normalized data output.

Is Open Wearables free to use?

Yes, it is open-source under the MIT license and self-hosted, with no per-user fees regardless of scale. You only pay for your own hosting infrastructure.

How are the health scoring algorithms validated?

The algorithms are designed by a neuroscientist from the Max Planck Institute and are open-source, allowing community audit and scientific validation.

Can I use Open Wearables with my AI system?

Yes, Open Wearables provides an MCP server that exposes structured health context, making it easy for AI systems to reason and act on wearable data.

Do I need to host Open Wearables myself?

Yes, it is self-hosted, giving you full control over your data. Deployment instructions are available on GitHub.

Open Wearables

Open infrastructure for wearable-powered health products.

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What is Open Wearables

Open Wearables is an open-source health intelligence platform that provides a single API to connect with all major wearable devices, enabling developers to build personalized health products faster. It includes open health scoring algorithms for metrics like sleep and resilience, developed by a neuroscientist, and an MCP server for AI reasoning over health data. The platform is self-hosted, MIT licensed, and has no per-user fees, making it ideal for scalable health applications.

Key Features

Single API for all major wearable providers

Open health scoring algorithms for sleep and resilience

MCP server for AI reasoning over wearable data

Self-hosted and open-source (MIT license)

No per-user fees at any scale

Use Cases

Health app developers integrating wearable data without multiple API integrations
Research teams analyzing raw wearable data with transparent, auditable scoring algorithms
AI health coaches using structured context from wearable data to personalize recommendations
Startups building scalable health products with cost-effective, open-source infrastructure

Why do startups need this tool?

Startups need Open Wearables to dramatically reduce integration time and cost when building wearable-powered health products. Its open-source nature and no per-user fees allow startups to scale without expensive licensing, while the transparent health scoring algorithms enable them to offer credible, data-driven insights. This lets startups focus on building unique value rather than reinventing infrastructure.