[FEATURE] Cursor-style inline edit popup (Ctrl+K) for VS Code Claude extension

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

Problem Statement

Cursor's Ctrl+K inline edit is one of the main reasons developers stay on Cursor
over Claude Code's VS Code extension. Selecting code and getting an inline floating
prompt — with an immediate diff — is a faster workflow for small, focused edits
compared to the sidebar panel.

Proposed Solution

Proposed Solution

Add a Ctrl+K (or configurable) or similar shortcut that:

1. Opens a floating inline prompt when code is selected in the editor
2. Doesnt Sends the selection + instruction to Claude on the right window rather its a quick edit right there in the floating window.
3. Shows the result as an inline diff to accept/reject — without leaving the editor

Why This Matters

This is one of the main reason why myself and other developers don't fully switch from Cursor to
Claude Code in the VS Code Environment .
A Lot of non technical devs would migrate if this gap was closed.
Because i want to precisely edit the code.

Priority

High — significant impact on developer adoption

Alternative Solutions

_No response_

Priority

High - Significant impact on productivity

Feature Category

Interactive mode (TUI)

Use Case Example

Example scenario:

1. I'm working on a research script in Python for data analysis
2. I need to rewrite specific code blocks to match exact methodological

standards for replicability (variable naming, structure, comments)

1. With this feature, I could select a block, press Ctrl+K, and say

"rewrite this to follow APA-style variable naming and add inline
comments explaining each step"

1. This would save me time because I wouldn't need to copy code to the

sidebar, describe what I want, then paste it back — I could iterate
on individual blocks in-place, keeping my analysis scripts clean,
consistent, and reproducible for peer reviewers

Additional concern

As an academic, code replicability is critical. The current agentic
mode is powerful but intimidating — when I give Claude a prompt, I
have no guarantee it won't refactor unrelated parts of my script,
rename variables I've carefully chosen, or restructure logic that
other researchers depend on to reproduce my results.

A scoped inline edit (Ctrl+K on a selection) would give academics
like me the confidence to use Claude Code, because the change is
strictly bounded to what I selected. Nothing outside my selection
gets touched. This predictability is essential in research workflows
where unexpected changes can silently break reproducibility.

Additional Context

_No response_