querying-json

Installation
SKILL.md

jq: JSON Data Extraction Tool

Always invoke jq skill to extract JSON fields - do not execute bash commands directly.

Use jq to extract specific fields from JSON files without loading entire file contents into context.

When to Use jq vs Read

Use jq when:

  • Need specific field(s) from structured data file
  • File is large (>50 lines) and only need subset
  • Querying nested structures
  • Filtering/transforming data
  • Saves 80-95% context vs reading entire file

Just use Read when:

  • File is small (<50 lines)
  • Need to understand overall structure
  • Making edits (need full context anyway)
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Feb 3, 2026