A question buyers ask AI

Which AI coding tools let me ask questions about an existing codebase without letting the agent modify any files?

Measured in 1 answer, last on Nov 7, 2026. Only the passages that name a brand are shown.

Brands in the answers

BrandNamed inRecommended inPositiveAvg. position
Cursor100%100%100%1
GitHub Copilot100%100%100%2
Claude Code100%100%100%3
VS Code Agents100%0%0%—

Where each answer names a brand

Answer 1 · Nov 7, 2026 · 8 sources cited
Cursor#1RecommendedSite citedpositive
+ Dedicated read-only Ask mode

“- Dedicated read-only Ask mode.”

+ Searches codebase to find relevant files

“- Searches your codebase to find relevant files.”

+ Answers questions about architecture, dependencies, implementation details and execution flows

“- Answers questions about architecture, dependencies, implementation details and execution flows.”

+ Uses search tools only, without automatic file modifications

“- Uses search tools only, without automatic file modifications.”

+ Best overall starting point

“1. Cursor Ask — best overall starting point.”

GitHub Copilot#2RecommendedSite citedpositive
+ Ask questions about your entire project

“- Ask questions about your entire project.”

+ Explains code and suggests implementation approaches

“- Explains code and suggests implementation approaches.”

+ Provides references to the files used in its answers

“- Provides references to the files used in its answers.”

+ Ask mode doesn't apply changes to your code

“- Ask mode doesn't apply changes to your code.”

+ Best if you want to stay in your existing IDE

“2. GitHub Copilot Ask — best if you want to stay in your existing IDE.”

Claude Code#3Recommendedpositive
+ Reads and explores your existing codebase

“- Reads and explores your existing codebase.”

+ Can investigate complex architectural questions

“- Can investigate complex architectural questions.”

+ Can trace how different components interact

“- Can trace how different components interact.”

+ Plan mode restricts Claude to read-only tools and prevents source-code edits

“- Plan mode restricts Claude to read-only tools and prevents source-code edits.”

+ Best for deeper investigations involving multiple components and architectural reasoning

“3. Claude Code Plan — best for deeper investigations involving multiple components and architectural reasoning.”

VS Code AgentsSite cited
“4. Visual Studio Code — Copilot Ask agent”
+ Dedicated Ask agent

“- The newer agent interface includes a dedicated Ask agent.”

+ Researches your codebase

“- Researches your codebase.”

+ Uses read-only tools

“- Uses read-only tools.”

+ Cannot edit files or execute state-changing commands

“- Cannot edit files or execute state-changing commands.”

Sources the answers cite

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