#001cac1 skills3.1k113updated 2026-05-22100% of creatorskilloccupationdescriptionupdatedcacsoftware-developersBuild and maintain command-line interfaces with CAC. Use when a task involves the `cac` package, authoring or reviewing CLI apps, defining commands/options/arguments, generating help or version output, handling parse errors, or explaining CAC-specific behavior such as default commands, boolean negation, variadic args, dot-nested options, and `--` passthrough.2026-05-22