/json-tools

Parse, query, and transform JSON data

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gebruder@gebruder

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wirken

19321 skills

Install

$ npx -y skills add gebruder/wirken --skill json-tools --agent claude-code

How it fires

How this skill gets triggered: by you, by Claude, or both.

Fires itselfAuto-invocation. Claude auto-loads it when your prompt matches the work.
You can call itInvoke it directly when you want it.
Slash command/json-tools

Context preview

The summary Claude sees to decide when to auto-load this skill.

Parse, query, and transform JSON data

SKILL.md

json-tools.SKILL.md

name: json-tools
description: Parse, query, and transform JSON data
disable-model-invocation: false
metadata:
  wirken:
    requires:
      bins: [jq]
permissions:
  tools:
    allow: [exec]
  egress:
    mode: deny
  inference:
    allow: ["*"]

JSON Tools

Parse and transform JSON using jq.

Query

Pretty print: `echo '<json>' | jq .`
Get field: `echo '<json>' | jq '.field'`
Nested field: `echo '<json>' | jq '.a.b.c'`
Array element: `echo '<json>' | jq '.[0]'`
Array length: `echo '<json>' | jq 'length'`

Filter and transform

Select fields: `echo '<json>' | jq '{name: .name, id: .id}'`
Filter array: `echo '<json>' | jq '.[] | select(.status == "active")'`
Map: `echo '<json>' | jq '[.[] | .name]'`
Sort: `echo '<json>' | jq 'sort_by(.date)'`
Group: `echo '<json>' | jq 'group_by(.type)'`
Unique: `echo '<json>' | jq '[.[].category] | unique'`

File operations

Read and query: `jq '.key' file.json`
Compact: `jq -c . file.json`
Raw strings (no quotes): `jq -r '.name' file.json`
Convert to CSV: `jq -r '.[] | [.name, .value] | @csv' file.json`

Read it on GitHub ↗

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