Create Command

Create Command Skill

Create new Claude Code slash commands with proper configuration and advanced features.

Command Types

Project Commands

Commands stored in your repository and shared with your team.

Location: .claude/commands/ or plugins/<plugin>/commands/

Shows "(project)" in /help.

Personal Commands

Commands available across all your projects.

Location: ~/.claude/commands/

Shows "(user)" in /help.

Command File Format

Commands are markdown files with YAML frontmatter:

---
description: Short description shown in /help
argument-hint: <required-arg> [optional-arg]
---

# Command Name

Instructions for Claude when this command is invoked...

Frontmatter Fields

Argument Placeholders

All Arguments: $ARGUMENTS

Captures all arguments passed to the command:

---
description: Fix a GitHub issue
argument-hint: <issue-number> [priority]
---

Fix issue #$ARGUMENTS following our coding standards.

# Usage: /fix-issue 123 high-priority
# $ARGUMENTS becomes: "123 high-priority"

Positional Arguments: $1, $2, etc.

Access specific arguments individually:

---
description: Review pull request
argument-hint: <pr-number> <priority> <assignee>
---

Review PR #$1 with priority $2 and assign to $3.
Focus on security, performance, and code style.

# Usage: /review-pr 456 high alice
# $1 = "456", $2 = "high", $3 = "alice"

Bash Command Execution

Execute bash commands before the slash command runs using the ! prefix.

IMPORTANT: You MUST include allowed-tools with the Bash tool.

---
allowed-tools: Bash(git add:*), Bash(git status:*), Bash(git commit:*)
description: Create a git commit
---

## Context

- Current git status: !`git status`
- Current git diff: !`git diff HEAD`
- Current branch: !`git branch --show-current`
- Recent commits: !`git log --oneline -10`

## Your task

Based on the above changes, create a single git commit.

File References

Include file contents using the @ prefix:

---
description: Review implementation
---

# Reference a specific file
Review the implementation in @src/utils/helpers.js

# Reference multiple files
Compare @src/old-version.js with @src/new-version.js

Namespacing

Organize commands in subdirectories. The subdirectory appears in the description but not the command name.

.claude/commands/
├── frontend/
│   └── component.md    # Creates /component (project:frontend)
└── backend/
    └── api.md          # Creates /api (project:backend)

Argument Hint Conventions

Examples

Simple Command

---
description: Show project status overview
---

Show a summary of the current project status including:
- Git branch and recent commits
- Open issues and PRs
- Build status

Command with Tools

---
allowed-tools: Bash(npm:*), Bash(yarn:*)
description: Run tests with coverage
argument-hint: [--watch] [--coverage]
---

Run the test suite with the following options:
- If --watch is passed, run in watch mode
- If --coverage is passed, generate coverage report

Use npm or yarn based on the lock file present.

Git Commit Command

---
allowed-tools: Bash(git add:*), Bash(git status:*), Bash(git commit:*)
description: Create a conventional commit
argument-hint: [message]
---

## Context

- Current status: !`git status --short`
- Staged changes: !`git diff --cached --stat`
- Recent commits: !`git log --oneline -5`

## Task

Create a git commit following conventional commit format:
- type(scope): description
- Types: feat, fix, docs, style, refactor, test, chore

If $ARGUMENTS is provided, use it as the commit message.
Otherwise, analyze the changes and generate an appropriate message.

Deploy Command

---
allowed-tools: Bash(docker:*), Bash(kubectl:*)
description: Deploy to environment
argument-hint: <environment> [--dry-run]
model: claude-sonnet-4-20250514
---

Deploy to $1 environment.

## Pre-flight checks
- Verify current branch: !`git branch --show-current`
- Check for uncommitted changes: !`git status --porcelain`

## Process
1. Build Docker image
2. Push to registry
3. Update Kubernetes deployment
4. Verify rollout status

If --dry-run is in $ARGUMENTS, only show what would be done.

Code Review Command

---
description: Review code changes
argument-hint: [file-path]
---

Review the code for:
- Security vulnerabilities
- Performance issues
- Code style violations
- Best practices

If a file path is provided ($1), focus on that file.
Otherwise, review all changed files:
!`git diff --name-only HEAD~1`

Reference style guide: @.claude/STYLE_GUIDE.md

Thinking Mode

Include extended thinking keywords to trigger deeper analysis:

---
description: Analyze architecture deeply
---

Think step by step about the architecture of this codebase.
Consider:
- Design patterns used
- Potential improvements
- Scalability concerns

SlashCommand Tool Integration

For commands to be invocable by Claude via the SlashCommand tool:

1. Must have description frontmatter field
2. Use disable-model-invocation: true to prevent automatic invocation
3. Built-in commands (like /compact) are NOT supported

Permission Rules

SlashCommand:/commit           # Exact match only
SlashCommand:/review-pr:*      # Prefix match with any arguments

File Location

The filename (without .md) becomes the slash command name.

Slash Commands vs Skills

Use slash commands when:

• You invoke the same prompt repeatedly
• The prompt fits in a single file
• You want explicit control over when it runs

Use Skills when:

• Claude should discover automatically
• Multiple files or scripts needed
• Complex workflows with validation

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