Code Format Skill

When to Use

• "Format this Python code"
• "Validate this JSON"
• "Pretty print this JavaScript"
• "Format this Markdown"

When NOT to Use

• Linting code → use linters directly
• Compiling code → use compilers
• Minifying code → use minifiers

Supported Languages

Commands

Format Code

{baseDir}/format-code.sh <file>
{baseDir}/format-code.sh <file> --language python
{baseDir}/format-code.sh --stdin --language js < code.js

Validate Syntax

{baseDir}/validate-code.sh <file>
{baseDir}/validate-code.sh <file> --language python
{baseDir}/validate-code.sh --stdin --language json < data.json

List Languages

{baseDir}/format-code.sh --languages

Options

• --language <lang>

  : Specify language (auto-detect from extension)

• --stdin

  : Read from stdin

• --out <file>

  : Write to file (default: stdout)

• --check

  : Check if formatting needed (don't modify)

• --diff

  : Show diff instead of formatted output

• --indent <n>

  : Indentation size (default: language-specific)

Examples

{baseDir}/format-code.py script.py

cat data.json | {baseDir}/format-code.sh --stdin --language json

{baseDir}/format-code.sh script.py --check
# Exit 0 if formatted, 1 if needs formatting

{baseDir}/format-code.sh config.json --indent 4

{baseDir}/validate-code.sh script.py
# Output: ✓ Valid Python syntax

Notes

• Uses standard formatters when available
• Falls back to built-in formatters
• Does not modify files by default
• Use

  --out

  to save to same or different file