Command Development

Topics in the source

• Command Development for Claude Code
• Overview
• Command Basics
• What is a Slash Command?
• Critical: Commands are Instructions FOR Claude
• Command Locations
• File Format
• Basic Structure

Slash commands are frequently-used prompts defined as Markdown files that Claude executes during interactive sessions. Understanding command structure, frontmatter options, and dynamic features enables creating powerful, reusable workflows. Key concepts: Markdown file format for commands YAML frontmatter for configuration Dynamic arguments and file references Bash execution for context Command organization and namespacing A slash command is a Markdown file containing a prompt that Claude executes when invoked. Commands provide: Reusability: Define once, use repeatedly Consistency: Standardize common workflows Sharing: Distribute across team or projects Efficiency: Quick access to complex prompts Commands are written for agent consumption, not human consumption. When a user invokes /command-name, the command content becomes Claude's instructions. Write commands as directives TO Claude about what to do, not as messages TO the user. Correct approach (instructions for Claude): Incorrect approach (messages to user): The first example tells Claude what to do. The second tells the user what will happen but doesn't instruct Claude. Always use the first approach. Project commands (shared wi

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