A comprehensive zero-dependency Python utility for formatting, validating, and querying JSON data through a powerful CLI.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install json-toolkit
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-toolkit 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 Toolkit?
JSON Toolkit is a lightweight yet robust utility designed to streamline how developers handle data within the Openclaw Skills ecosystem. Built entirely on the Python standard library, this tool serves as a Swiss-army knife for cleaning up unformatted data, validating structural integrity, and extracting specific nested values through an intuitive dot-notation query syntax.
By providing a reliable way to minify, sort, and inspect files, it ensures that your data pipelines remain clean and efficient. This skill is particularly valuable for developers who need to bridge the gap between raw API responses and actionable insights without relying on heavy external dependencies or complex configurations.
JSON Toolkit Use Cases
- Pretty-printing raw or minified API responses for improved developer readability.
- Validating JSON structure and generating structural metadata such as key counts and file size.
- Minifying large configuration files to optimize storage and network transmission speeds.
- Extracting specific nested fields or array elements from complex datasets using dot-notation.
- Sorting object keys alphabetically to create deterministic outputs for easier version control diffs.
How JSON Toolkit Works
- The skill accepts JSON input either from a local file path or directly via stdin for seamless pipe-based workflows.
- It utilizes the Python standard library to parse the input, ensuring compatibility and security across various environments using Openclaw Skills.
- Depending on the flags provided, the tool applies transformations like indentation, key sorting, or minification.
- If a query path is provided, the dot-notation engine traverses the JSON tree to isolate specific data points.
- The final processed data or validation report is then output to the console or written to a designated output file.
JSON Toolkit Setup
To integrate this utility into your Openclaw Skills workflow, ensure you have Python 3.x installed. No external packages are required.
# Verify your Python environment
python --version
# Run the toolkit on a local file to pretty-print
python main.py your_data.json --indent 2
# Use stdin to process data from a web request
curl -s https://api.example.com/data | python main.py - --query results.0.id
JSON Toolkit Data Schema & Taxonomy
The skill processes standard JSON files and can generate structured reports during validation. It supports all standard JSON types including objects, arrays, strings, and numbers.
| Parameter | Type | Description |
|---|---|---|
| --validate | Metadata | Returns root type, total key count, and total byte size. |
| --query | Dynamic | Returns the specific value found at the dot-notation path. |
| --indent | Integer | Sets the number of spaces for pretty-printed output. |
| --sort-keys | Boolean | Forces alphabetical ordering of all object keys. |
JSON Toolkit Advanced Features
- Full support for stdin allows for complex command-chaining with other Openclaw Skills.
- Deep path navigation through dot-notation that handles both object keys and zero-based array indices.
- Deterministic output generation via alphabetical key sorting, which is critical for maintaining clean git histories.
- High-performance structural validation providing immediate feedback on malformed JSON data.
SKILL.md
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