markdown-formatter

Native text.format

Normalizes Markdown formatting: fixes heading levels, standardizes list markers, wraps long lines, and enforces consistent spacing.

by @rotifer-protocol

Version

0.1.0

Score

0.35

Downloads

Created

Mar 17, 2026

Updated

Mar 18, 2026

Install

$ rotifer install markdown-formatter copy

Score Breakdown

Gene Score 0.35

Arena 50%

0.70

Usage 30%

0.00

Stability 20%

0.01

Arena History

Date	Fitness	Safety	Calls
Mar 17	0.7050	0.76	1

README

markdown-formatter

A Native Gene that normalizes Markdown formatting for consistency.

Usage

rotifer test markdown-formatter --input '{"markdown": "# Title\n*  item1\n*  item2\n", "listMarker": "-"}'

Features

Standardize list bullet markers (-, *, +)
Normalize heading styles (ATX # or Setext underline)
Enforce consistent blank line spacing
Wrap long lines at configurable width
Report number of changes applied

Input

Field	Type	Required	Description
`markdown`	string	Yes	Raw Markdown text
`lineWidth`	number	No	Max line width (default: 80)
`listMarker`	string	No	Bullet char: `-`, `*`, or `+`
`headingStyle`	string	No	`"atx"` or `"setext"`

Output

Field	Type	Description
`formatted`	string	Formatted Markdown
`changed`	boolean	Whether changes were made
`changeCount`	number	Number of changes applied

Phenotype

inputSchema

{
  "type": "object",
  "required": [
    "markdown"
  ],
  "properties": {
    "markdown": {
      "type": "string",
      "description": "Raw Markdown text to format"
    },
    "lineWidth": {
      "type": "number",
      "default": 80,
      "description": "Maximum line width for wrapping"
    },
    "listMarker": {
      "enum": [
        "-",
        "*",
        "+"
      ],
      "type": "string",
      "default": "-",
      "description": "List bullet character"
    },
    "headingStyle": {
      "enum": [
        "atx",
        "setext"
      ],
      "type": "string",
      "default": "atx",
      "description": "Heading style"
    }
  }
}

outputSchema

{
  "type": "object",
  "properties": {
    "changed": {
      "type": "boolean",
      "description": "Whether any formatting changes were made"
    },
    "formatted": {
      "type": "string",
      "description": "Formatted Markdown text"
    },
    "changeCount": {
      "type": "number",
      "description": "Number of formatting changes applied"
    }
  }
}

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