Master the Cmd-K Inline Edit Loop

Inline edit (Cmd-K / Ctrl-K) lets you select code, describe a change in plain language, and apply it in place as a reviewable diff — the fastest, most controlled way to use AI in Cursor.

Because you select the exact lines first, the model's scope is unambiguous and the change is local. You see a diff before accepting, so you stay in control. It's tighter than chat (which regenerates and explains) for the small, frequent edits that make up most coding.

Small, well-defined changes on code you can see: rename within a block, add a guard clause, convert a loop, write a docstring, extract a variable. Your default for 'change this bit'.

Cross-file or exploratory work — that's what chat and agents are for. Forcing a repo-wide change through inline edit means doing it file by file by hand.

Select the code, hit Cmd-K, and be specific about the change only:
"Add an early return if `items` is empty."
"Convert this to async/await, keep the error handling."
"Extract the price calc into a named function."
Then read the diff before accepting.

You select a nested .then() chain, press Cmd-K, type 'convert to async/await', and accept the diff — a 20-second change that would've taken a paragraph of chat and a copy-paste.

Chain small inline edits instead of one big instruction: guard clause, then extract function, then rename — each a clean diff you approve. Pair with @-context when the selection alone doesn't carry enough information for the change.

• Writing a whole-file instruction into an edit scoped to one selection.
• Accepting diffs without reading them because the change 'looked right'.
• Reaching for inline edit on multi-file changes it isn't built for.