Find Every Async Function That Blocks the Event Loop

Find Every Async Function That Blocks on Synchronous I/O

Scan a codebase for async functions secretly doing sync I/O and explain the performance cost of each.

Extract Observability Gaps From Async Code Patterns

Scan a codebase for async operations (promises, callbacks, event handlers) that lack logging, tracing, or error instrumentation.

Cursor: Find the Race Condition Hiding in Your Async Code

Forces Cursor to audit async flows for race conditions, stale closures, and ordering assumptions.

Find Every Retry Loop That Has No Timeout or Deadline

Locates all retry logic in your codebase that can run indefinitely because it has no absolute deadline or maximum elapsed time guard.