Weight Track Database

Store and retrieve daily weight records in a JSON database by date.

Updated Nov 30, 2025

Search Tags:#database #json #tracking #read-write #data-structure #daily #weight

Ready to run

npx skills add https://github.com/marcopeg/diary --skill weight-track-database

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: Weight Track Database
Source: https://github.com/marcopeg/diary/tree/main/.github/skills/weight-tracker-db
Command: npx skills add https://github.com/marcopeg/diary --skill weight-track-database

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Manages a lightweight JSON-based storage for recording and querying daily weight entries, simplifying persistence and retrieval of weight data.

Core Features & Use Cases

JSON-based storage for weight entries
Date-indexed structure (year -> month -> day)
Simple write/read workflows with deterministic behavior

Quick Start

Initialize or load the weight-tracker.json database and perform basic CRUD operations to manage weight entries.

Frequently Asked Questions about Weight Track Database

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I store daily weight tracking data in a JSON database?▼

Store daily weight tracking data in a JSON database by applying a deterministic year, month, and day mapping structure with numeric weight values. This structure ensures simple retrieval and consistent overrides for existing dates.

What is the best way to structure a JSON file for daily weight records?▼

The best way to structure a JSON file for daily weight records is a strict year, month, and day hierarchical mapping. This deterministic data model simplifies adding, updating, and reading personal health tracking entries.

Can I update an existing weight entry for a specific date without duplicating data?▼

Yes, you can update an existing weight entry for a specific date without duplicating data. The database applies consistent overrides for existing dates within the year, month, and day structure.

Does this weight tracking database require any external dependencies to run?▼

No, this weight tracking database requires no external dependencies to run. It uses a lightweight JSON file to manage persistence and retrieval of daily weight entries.

How do I read and retrieve historical weight entries from a JSON file?▼

Read and retrieve historical weight entries from a JSON file by targeting the specific date within the year, month, and day data structure. This provides a simple query workflow for personal health tracking.