luau-types

When to Use

Use this skill when the task is primarily about Luau's type system:

• Choosing between --!strict, --!nonstrict, and other file type-checking modes.
• Adding or correcting type annotations on variables, functions, tables, and modules.
• Designing APIs that preserve inference instead of collapsing to any.
• Modeling data with generics, unions, intersections, optionals, and tagged unions.
• Typing object-like tables, metatable-backed modules, and exported module surfaces.
• Writing or reviewing type functions and other advanced type-level utilities.
• Using Roblox class, datatype, enum, or IsA knowledge only to improve static typing.

Do not use this skill when the task is mainly about:

• General Luau syntax, control flow, metatables, or standard-library usage outside typing concerns.
• Runtime performance, profiling, hot-path tuning, or allocation strategy.
• Roblox networking, replication, data storage, cloud APIs, or gameplay architecture.