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make-expandable-dropdown

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Converts highlighted text (typically bullet lists or paragraphs) into an expandable HTML <details> dropdown with a custom summary. Use this skill when the user wants to make content collapsible/expandable in their MDX files.

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Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/data/make-expandable-dropdown/SKILL.md

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Make Expandable Dropdown

Overview

This skill wraps selected text in HTML <details> and <summary> tags to create collapsible/expandable sections in MDX files.

When to Use This Skill

Use this skill when:

  • User highlights text and asks to make it expandable/collapsible
  • User wants to create a dropdown section
  • User mentions making content hidden behind a toggle
  • User wants to add a <details> block

How It Works

  1. Detect the highlighted text from system reminders
  2. Automatically extract the summary from the first bullet point if the content starts with a list item (e.g., - Summary text). If no bullet point is found at the start, ask the user for a summary.
  3. Remove the first bullet from the content (since it's now the summary)
  4. Wrap the remaining content in <details> and <summary> tags
  5. Replace the original text with the wrapped version

Summary Extraction Rules

  • If the selected text starts with a bullet (e.g., - Technical explanation), use that as the summary
  • Remove the leading bullet marker and any extra whitespace
  • If there's nested content after the first bullet, that becomes the expandable content
  • Only ask the user for summary text if the selection doesn't start with a bullet point

Example

Before:

- Point one
- Point two
- Point three

After:

<details>
<summary>Click to expand</summary>

- Point one
- Point two
- Point three
</details>

Implementation Notes

  • Preserve all formatting and indentation of the wrapped content
  • Add blank lines around the content for proper markdown rendering
  • The summary text should be concise and descriptive
  • Multiple highlighted sections can be converted in sequence
  • Where there are multiple levels of nested bullets, only change the top level bullet in the way described above