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.
The Prompt
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Find Every Async Function That Blocks the Event Loop
Scan your codebase for async patterns that silently serialize work and kill throughput under load.
Cursor: Find the Race Condition Hiding in Your Async Code
Forces Cursor to audit async flows for race conditions, stale closures, and ordering assumptions.
Cursor: Find the Function That's Secretly Doing Five Jobs
A Cursor chat prompt that exposes the hidden responsibilities packed into a single function so you know where to split it.
Extract Observability Gaps From Async Code Patterns
Scan a codebase for async operations (promises, callbacks, event handlers) that lack logging, tracing, or error instrumentation.