jq

Transform JSON payloads with jq expressions and command-line options.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/bugabinga/pi-ext --skill jq-bugabinga
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: jq
Source: https://github.com/bugabinga/pi-ext/tree/main/skills/jq
Command: npx skills add https://github.com/bugabinga/pi-ext --skill jq-bugabinga

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps you filter, reshape, and aggregate JSON when you need the exact data you want without manual parsing.

Core Features & Use Cases

  • JSON filtering and transformation: Use jq expressions to select fields, iterate arrays, and build new objects.
  • Aggregation and restructuring: Compute sums/averages, deduplicate items, group records, and merge inputs.
  • Practical scenarios: Extract values from API responses, reshape config files, and transform logs into analysis-ready JSON.

Quick Start

Run jq on your JSON file to extract just the values you need by telling the AI to filter the requested fields and output the result in the desired format.

Frequently Asked Questions about jq

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

FAQPage Schema
How do I extract specific fields from a JSON API response?

To extract specific fields from a JSON API response, you can use jq language expressions to select exact fields, iterate arrays, and reshape objects. This filters values quickly without manual parsing.

Can I aggregate and group array values in a JSON config file?

Yes, you can aggregate and group array values in a JSON config file by applying jq expressions. Compute sums, deduplicate items, and merge inputs to restructure data for analysis.

What's the best way to transform JSON logs into structured data for pipelines?

The best way to transform JSON logs into structured data for pipelines is using command-line jq expressions. They reshape objects and filter fields to produce analysis-ready JSON outputs.

Do I need to install dependencies to run jq for command-line data transformation?

No dependencies are required to run jq for command-line data transformation. The Skill operates independently to filter fields, map arrays, and apply variables or arguments directly.

How do I format jq output for raw strings instead of structured JSON objects?

You can format jq output for raw strings instead of structured JSON objects by using specific command-line options. This ensures correct output formatting for compact, raw, and structured results.