Rule TypeScript

No Any Type

Avoid the any type; use unknown or proper types instead

typescripttypessafety
CLAUDE.md

Avoid the any type. Use unknown when the type is genuinely uncertain and narrow it with type guards. Every any is a hole in your type safety that can silently propagate bugs.

Copy this block into your CLAUDE.md or agent config file to enforce it in your workflow.

get crystl