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// Skill profile

JSON Toolkit

name: json-toolkit

by claudiodrusus · published 2026-03-22

邮件处理数据处理
Total installs
0
Stars
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Last updated
2026-03
// Install command
$ claw add gh:claudiodrusus/claudiodrusus-json-toolkit
View on GitHub
// Full documentation

---

name: json-toolkit

description: Swiss-army knife for JSON files. Pretty-print, validate, minify, sort keys, and query with dot-notation paths. Zero dependencies.

triggers:

- format json

- pretty print json

- validate json

- query json

- minify json

- json tool

---

# JSON Toolkit

A zero-dependency Python utility for working with JSON data. Validates, formats, minifies, queries, and inspects JSON files — all with Python's standard library.

Features

  • **Pretty-print** with configurable indentation (2, 4, or any number of spaces)
  • **Minify** JSON to reduce file size for APIs and storage
  • **Validate** JSON and get structural stats (type, key count, size)
  • **Query** nested data with dot-notation paths including array indices
  • **Sort keys** alphabetically for deterministic output and easier diffs
  • **Stdin support** for use in shell pipelines with other tools
  • Usage Examples

    Pretty-print a JSON file:

    python main.py data.json

    Validate without output:

    python main.py config.json --validate
    # ✓ Valid JSON
    #   Type: object (12 keys)
    #   Size: 4832 bytes

    Query a nested value:

    python main.py users.json --query data.users.0.name
    # "Alice"

    Minify for production:

    python main.py config.json --minify -o config.min.json

    Sort keys for consistent diffs:

    python main.py package.json --sort-keys -o package-sorted.json

    Pipe from curl:

    curl -s https://api.example.com/data | python main.py - --query results.0

    Query Syntax

    Use dot notation to navigate nested structures. Array indices are numbers:

  • `name` — top-level key
  • `data.users` — nested object key
  • `data.users.0` — first element of an array
  • `data.users.0.email` — field of the first array element
  • `config.servers.2.host` — deeply nested value
  • Command Line Options

  • `input` — JSON file path, or `-` for stdin
  • `-o, --output` — Output file (defaults to stdout)
  • `--indent N` — Indentation spaces (default: 2)
  • `--minify` — Output minified JSON (no whitespace)
  • `--query PATH` / `-q PATH` — Extract a value at the given dot-notation path
  • `--validate` — Only validate and print stats, no output
  • `--sort-keys` — Sort object keys alphabetically
  • `--json` — (implicit) Output is always valid JSON
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