A high-performance utility for prettifying, compressing, and validating JSON data structures with configurable indentation.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install json-format
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 json-format 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 JSON Formatter?
The JSON Formatter is a specialized tool within the Openclaw Skills ecosystem designed to streamline the handling of JSON data. Whether you are dealing with deeply nested API responses or single-line minified configuration files, this skill provides a robust way to make data human-readable or machine-optimized. It ensures that your JSON adheres strictly to specifications, providing immediate feedback on syntax errors while offering flexible formatting options.
By integrating this tool into your workflow, you can quickly debug malformed data or prepare payloads for production environments. It acts as a reliable bridge between raw data and clean, structured information, making it an essential addition to any developer's toolkit when working with Openclaw Skills.
JSON Formatter Use Cases
- Prettifying minified JSON from API logs to make it readable for debugging.
- Compressing large JSON objects into a single line for storage or transmission efficiency.
- Validating JSON syntax to identify missing quotes, brackets, or trailing commas.
- Alphabetically sorting object keys to maintain consistency across different environments.
- Switching between 2-space and 4-space indentation standards for project compliance.
How JSON Formatter Works
- The skill receives a raw JSON string or primitive from the user input.
- It identifies the intended action, such as format, minify, or validate, based on user instructions.
- The input is passed through a strict parsing engine to verify adherence to the JSON specification.
- If the format action is selected, the tool serializes the data with the specified indentation (defaulting to 2 spaces).
- If sorting is enabled, the skill recursively sorts all object keys alphabetically across all nesting levels.
- The final processed string or validation report is returned to the user in its entirety.
JSON Formatter Setup
To enable the JSON Formatter in your local environment, ensure you have the Openclaw Skills framework installed and add the skill via your configuration file:
# Install the Openclaw core if not already present
npm install -g openclaw
# Add the json-format skill to your agent
openclaw add json-format
JSON Formatter Data Schema & Taxonomy
The JSON Formatter processes standard JSON data types and provides output based on the following schema configuration:
| Option | Type | Default | Description |
|---|---|---|---|
action |
String | format |
The operation to perform: format, minify, or validate. |
indent |
Integer | 2 |
Number of spaces used for indentation (supports 2 or 4). |
sort-keys |
Boolean | false |
Whether to sort object keys alphabetically. |
All output is returned as a complete string to ensure no data loss during the transformation process.
JSON Formatter Advanced Features
- Multi-level Key Sorting: Deeply nested objects are sorted recursively when the sort-keys flag is active.
- Strict Validation Mode: Provides detailed error reporting including token position and syntax requirements for malformed JSON.
- Primitive Support: Correct handles and formats valid JSON primitives like strings, numbers, and booleans.
- Custom Indentation: Allows seamless switching between different coding style guides (2 vs 4 spaces).
- No-Truncation Guarantee: Built to handle large datasets by always returning the full serialized result without clipping.
SKILL.md
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