svelte-code-writer

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CLI tools for Svelte 5 documentation lookup and code analysis. MUST be used whenever creating, editing or analyzing any Svelte component (.svelte) or Svelte module (.svelte.ts/.svelte.js). If possible, this skill should be executed within the svelte-file-editor agent for optimal results.

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Sourcesveltejs/ai-tools
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NPX Install

npx skill4agent add sveltejs/ai-tools svelte-code-writer

SKILL.md Content

Svelte 5 Code Writer

CLI Tools

You have access to 
@sveltejs/mcp
CLI for Svelte-specific assistance. Use these commands via 
npx
:

List Documentation Sections

bash
npx @sveltejs/mcp list-sections
Lists all available Svelte 5 and SvelteKit documentation sections with titles and paths.

Get Documentation

bash
npx @sveltejs/mcp get-documentation "<section1>,<section2>,..."
Retrieves full documentation for specified sections. Use after 
list-sections
to fetch relevant docs.
Example:
bash
npx @sveltejs/mcp get-documentation "$state,$derived,$effect"

Svelte Autofixer

bash
npx @sveltejs/mcp svelte-autofixer "<code_or_path>" [options]
Analyzes Svelte code and suggests fixes for common issues.
Options:
  • --async
    - Enable async Svelte mode (default: false)
  • --svelte-version
    - Target version: 4 or 5 (default: 5)
Examples:
bash
# Analyze inline code (escape $ as \$)
npx @sveltejs/mcp svelte-autofixer '<script>let count = \$state(0);</script>'

# Analyze a file
npx @sveltejs/mcp svelte-autofixer ./src/lib/Component.svelte

# Target Svelte 4
npx @sveltejs/mcp svelte-autofixer ./Component.svelte --svelte-version 4
Important: When passing code with runes (
$state
, 
$derived
, etc.) via the terminal, escape the 
$
character as 
\$
to prevent shell variable substitution.

Workflow

  1. Uncertain about syntax? Run 
    list-sections
    then 
    get-documentation
    for relevant topics
  2. Reviewing/debugging? Run 
    svelte-autofixer
    on the code to detect issues
  3. Always validate - Run 
    svelte-autofixer
    before finalizing any Svelte component