Typer Knowledge

Build CLI applications with Typer by annotating Python functions. Typer converts type annotations into validated CLI parameters with auto-generated help text.

Typer version: !python -c "import typer; print(typer.__version__)" 2>/dev/null || echo "not found in PATH"

Scope

Consult python-engineering:standards-for-python-development for the shared rules (architecture, typing, testing, CLI rules).

TRIGGER: Activate when the user asks about building CLIs with Typer, defining CLI arguments or options, composing subcommands, testing CLI apps, or using Typer features like prompts, enums, progress bars, or autocompletion.

COVERS: