Skill Claude CodeCodex
Canonical CLI design standards. Use when designing, implementing, or reviewing command-line interfaces. Covers grammar, commands, flags, parameters, feedback, colours, tables, verbosity, and tone of voice.
Skill Claude CodeCodex
Canonical Go coding standards and best practices. Use when writing, reviewing, or refactoring Go code. Covers formatting, naming, errors, functions, structs, interfaces, and testing conventions.
Skill Claude CodeCodex
Author, structure, and validate an agent skill. Use when creating a new SKILL.md, substantially rewriting an existing one, deciding what to bundle as scripts vs references, or importing an external skill. Covers frontmatter, body structure, depth gates (when to split a skill), the script-vs-checklist decision…