claude-code-slash-commands - SKILL.md Agent Skill

name: claude-code-slash-commands description: This skill should be used when the user asks to "create a command", "write a slash command", "build a plugin command", or wants to add custom commands to Claude Code. allowed-tools: Read, Grep

Slash Command Development

Create custom slash commands for Claude Code.

Quick Reference

You MUST read these references for detailed guidance:

Official Documentation - Anthropic's slash command guide

Command Structure

Commands are Markdown files in specific locations:

Scope	Location	Description suffix
Project	`.claude/commands/`	`(project)`
Personal	`~/.claude/commands/`	`(user)`
Plugin	`commands/` in plugin root	`(plugin)`

Basic Command

---
description: Brief description of what this command does
---

Your prompt instructions here.

Frontmatter Options

---
allowed-tools: Bash(git:*), Read
argument-hint: [filename] [options]
description: What this command does
model: claude-3-5-haiku-20241022
disable-model-invocation: false
context: fork
---

Field	Purpose
`allowed-tools`	Tools the command can use
`argument-hint`	Shows in autocomplete (e.g., `[message]`)
`description`	Brief description (required for SlashCommand tool)
`model`	Specific model to use
`disable-model-invocation`	Prevent programmatic invocation
`context: fork`	Run in isolated sub-agent context, preventing side effects on main agent state

Arguments

All arguments:

Fix issue #$ARGUMENTS following our coding standards

Positional arguments:

Review PR #$1 with priority $2 and assign to $3

Dynamic Content

Bash execution (prefix with exclamation mark):

Current branch: EXCLAMATION`git branch --show-current`
Recent commits: EXCLAMATION`git log --oneline -5`

Replace EXCLAMATION with the exclamation mark character - workaround for bug #12762.

File references (prefix with at-sign):

Review the implementation in @src/utils/helpers.js

Namespacing

Subdirectories group related commands:

.claude/commands/frontend/test.md → /test shows (project:frontend)
.claude/commands/backend/test.md → /test shows (project:backend)

Checklist

Description filled in frontmatter
argument-hint if command takes arguments
allowed-tools if using Bash or specific tools
Test with /command-name --help style invocation