ComplexityGuard — Cyclomatic Complexity Overlay

See a function's cyclomatic complexity while you write it, not in code review.

Free

• Inline complexity score above every function (🟢/🟡/🔴)
• Configurable threshold warnings in the Problems panel
• Complexity summary panel for the current file

Pro

• Targeted refactor suggestions for high-complexity functions (guard clauses, extract method, lookup maps…)
• Complexity trend vs an earlier git revision
• Per-file workspace report

Supports JavaScript, TypeScript, JSX/TSX, and Python.

Get a Pro key at marketplace.dashovia.com/extensions/complexity-guard.