diff --git a/best-practice/claude-skills.md b/best-practice/claude-skills.md
index ba4b3a8..0f42d64 100644
--- a/best-practice/claude-skills.md
+++ b/best-practice/claude-skills.md
@@ -1,6 +1,6 @@
# Skills Best Practice
- 
+ 
[](../implementation/claude-skills-implementation.md)
Claude Code skills — frontmatter fields and official bundled skills.
@@ -14,7 +14,7 @@ Claude Code skills — frontmatter fields and official bundled skills.
---
-## Frontmatter Fields (14)
+## Frontmatter Fields (15)
| Field | Type | Required | Description |
|-------|------|----------|-------------|
@@ -22,6 +22,7 @@ Claude Code skills — frontmatter fields and official bundled skills.
| `description` | string | Recommended | What the skill does. Shown in autocomplete and used by Claude for auto-discovery |
| `when_to_use` | string | No | Additional context for when Claude should invoke the skill — trigger phrases and example requests. Appended to `description` in the skill listing, counts toward the 1,536-character cap |
| `argument-hint` | string | No | Hint shown during autocomplete (e.g., `[issue-number]`, `[filename]`) |
+| `arguments` | string/list | No | Named positional arguments for `$name` substitution in the skill content. Accepts a space-separated string or a YAML list — names map to argument positions in order |
| `disable-model-invocation` | boolean | No | Set `true` to prevent Claude from automatically invoking this skill |
| `user-invocable` | boolean | No | Set `false` to hide from the `/` menu — skill becomes background knowledge only, intended for agent preloading |
| `allowed-tools` | string | No | Tools allowed without permission prompts when this skill is active |