json

Process JSON data with jq filters for parsing, filtering, and transforming.

16|1|Updated Jun 26, 2025
One-click install
npx skills add https://github.com/bendrucker/claude --skill json
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: json
Source: https://github.com/bendrucker/claude/tree/main/.claude/skills/json
Command: npx skills add https://github.com/bendrucker/claude --skill json

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill ensures correct and efficient JSON processing, preventing malformed output and simplifying complex data extraction and manipulation.

Core Features & Use Cases

  • Guaranteed Valid Output: Always uses jq to produce valid JSON, eliminating syntax errors.
  • Efficient Parsing: Utilizes jq filters for precise data extraction from complex JSON structures.
  • Inspection & Debugging: Guides on using jq to inspect JSON structures and saving API outputs to temporary files for analysis.
  • Use Case: When working with an API that returns complex JSON, this Skill helps you quickly parse, filter, and extract exactly the data you need, saving time on manual inspection and scripting.

Quick Start

Pretty-print JSON from a file

cat data.json | jq .

Extract a specific field

echo '{"user": {"name": "Alice"}}' | jq .user.name

Inspect keys of an object

echo '{"a": 1, "b": 2}' | jq keys

Frequently Asked Questions about json

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

FAQPage Schema
How do I parse and filter JSON data from APIs?

Use jq to parse JSON from APIs by piping output through filters like `.field`, `keys`, or `type`. jq extracts exactly the data you need from complex structures, eliminating manual inspection and scripting overhead.

How do I ensure JSON output is always valid?

Always use jq to produce and format JSON output, which guarantees syntactically valid results. jq prevents malformed JSON errors that occur with manual string manipulation or incomplete parsing.

What's the best way to inspect and debug JSON structures?

Use jq filters like `keys`, `type`, and `length` to inspect JSON structure. Save API responses to temporary files with jq for analysis, then apply filters to understand nested objects and arrays before extraction.

Can I transform JSON data from multiple sources in a command line workflow?

Yes, jq handles JSON transformation from files, APIs, and streaming sources via the command line. Pipe data through jq filters to parse, transform, and generate valid JSON output across your entire automation workflow.

How do I extract specific fields from deeply nested JSON?

Use jq path syntax like `.user.name` or `.data[0].id` to navigate nested structures. jq's precise filtering extracts exactly what you need without traversing entire objects manually.

What happens if my JSON data is malformed before processing?

jq validates JSON syntax during parsing and will error on malformed input. Always validate source JSON with jq before applying filters to ensure your data is well-formed and compatible with downstream tools.