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GOOGLE ANNOUNCES HEALTH CLI FOR DEVS WHO WANT TO SCRIPT FITNESS DATA

The command-line tool offers access to 40+ metrics and AI agent integration, but it is not for casual users.

by editor4 min readcomments soon

google announces a health cli for developers who want to script their fitness data
· Image credit: Google

Google has announced a command-line interface for its Health platform, turning a typically consumer-facing product into a developer tool.

The Google Health CLI is a terminal application that lets users access, organise, and automate tasks with their health and fitness data. It is aimed squarely at developers and power users, not the average Fitbit owner.

FOR THE UNINITIATED

A CLI, or command-line interface, runs in a computer's terminal rather than as a graphical app. Think of it as the text-based cockpit for your data. You type commands and get structured output, no buttons to click, no dashboard to load. The Google Health CLI connects to health data stored through Google's Health platform, including information collected by compatible devices like the Fitbit Air. Anyone comfortable using a terminal can use it to create personalised health dashboards, automate routines, and connect health data with AI assistants.

The tool can access more than 40 health and wellness metrics if the user has granted the necessary permissions. These include activity, sleep, heart rate, VO2 Max, recovery, and others. It is a substantial surface area: heart rate variability, resting heart rate, sleep stages, step counts, calorie estimates, all recoverable through a command-line query rather than a mobile app.

WHO IT IS (AND ISN'T) FOR

Google was explicit that the Health CLI is not intended for everyday users. The target audience is developers and power users who already live in the terminal. If the thought of opening a terminal and typing `health get --metric heart_rate --date 2025-01-15` sounds natural, this tool is for you. If a smartphone app is your comfort zone, Google would prefer you keep using the existing Health app interface. The CLI also allows users to export data to spreadsheets or build custom dashboards.

THE AUTOMATION POSSIBILITIES

The CLI's real power is in automation. With the tool, users can automatically track sleep and recovery trends over time, block time on their calendar for a workout when recovery score is high, or create alerts if vital signs deviate from baseline. These are not features built into the UI; they are workflows the user constructs by combining the CLI with other tools.

The tool can be connected to AI agents, allowing them to analyse health data or automate actions based on it. An AI assistant could query your recovery score each morning and adjust your calendar accordingly. It could detect a rising resting heart rate trend and suggest a rest day before you feel the fatigue. The agent becomes a health data interpreter, not just a calendar bot.

Exporting data to spreadsheets or building a custom dashboard is also straightforward. The CLI returns structured data that any scripting language can consume. A Python script that pulls weekly sleep data and renders it into a local HTML dashboard is a few lines away. That flexibility is the entire point.

PROGRAMMATIC ACCESS

The CLI gives users programmable access to their health data. It connects to the Google Health platform and can pull over 40 metrics through terminal commands. This is the kind of tool developers want when they need to automate health-related tasks or integrate data with other systems.

THE SETUP AND FOOTPRINT

Setting up the Health CLI takes only a few minutes. The tool securely connects to data through Google's Health platform. It does not run background processes or consume battery when not in use. For developers already running a terminal most of the day, it is a negligible addition to their environment.

For now, the Health CLI is a niche tool for a niche audience. It offers direct, programmatic access to health data for those who want to build their own workflows. That is the point.


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