A comprehensive Python-powered CLI toolkit for validating, formatting, and manipulating JSON data with precision.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install jsonlint
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install jsonlint using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is JSONLint?
JSONLint is a robust terminal-based utility designed to streamline the way developers interact with JSON data. By leveraging Openclaw Skills, this tool provides a seamless interface for checking syntax, pretty-printing complex structures, and minifying payloads for production use. It goes beyond simple formatting by offering deep structural comparisons and precise value extraction.
Built to be lightweight and efficient, JSONLint utilizes the python3 standard library to ensure high performance without heavy external dependencies. It is an essential addition to any developer workflow that involves managing configuration files, API responses, or large data sets across different environments.
JSONLint Use Cases
- Validating configuration files like package.json or settings.json before deployment to prevent runtime errors.
- Pretty-printing minified API payloads to make them human-readable during debugging sessions.
- Comparing two versions of a JSON file to identify specific structural changes using dot-path notation.
- Extracting nested data values or array elements from complex JSON objects without manual searching.
- Minifying production-ready JSON to reduce file size and optimize data transfer speeds.
How JSONLint Works
- The user invokes the JSONLint command via the terminal, specifying a target action such as validate, format, or diff.
- The Openclaw Skills engine parses the input file using python3's internal JSON processing modules.
- For validation, the tool performs a syntax sweep and reports file size, element counts, and specific error locations if the JSON is malformed.
- For structural operations, the skill traverses the JSON tree to apply formatting, generate a diff map, or extract specific keys based on user-provided paths.
- The processed output or diagnostic report is returned directly to the terminal for immediate developer action.
JSONLint Setup
To get started with JSONLint through Openclaw Skills, ensure you have python3 installed on your system. No additional third-party libraries are required.
# Check for python3
python3 --version
# Validate a file to test the installation
jsonlint validate config.json
JSONLint Data Schema & Taxonomy
JSONLint interacts with standard .json files and outputs structured data or diagnostic reports. The organization of data follows this taxonomy:
| Data Type | Description |
|---|---|
| Validation Report | Includes file size, type, element count, and error context. |
| Structural Diff | Maps changes using dot-path notation (e.g., user.profile.id). |
| Key Map | Lists top-level keys with associated data types and value previews. |
| Extracted Value | Returns specific data at a defined path, supporting array indices like items[0]. |
JSONLint Advanced Features
- Deep structural comparison (diff) between two files to detect added, removed, or modified values.
- Path-based extraction allowing users to grab deeply nested values using dot-notation.
- Interactive key listing that provides a snapshot of file contents and data types.
- Performance-focused minification that calculates and reports total bytes saved after compression.
- Error context reporting that pinpoints exactly where syntax failures occur within the document.
SKILL.md
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