[FEATURE] Does --p affect Claude Code’s performance or tool access?

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

I’m evaluating Claude Code programmatically and found the --p flag very useful.
Before I proceed, I’d like to confirm:

Does running Claude Code with --p degrade completion quality or coverage in any way?

When --p is used, are any capabilities limited—for example, searching for additional context via built-in tools (e.g., grep, file readers), or accessing project files beyond the provided input?

Thanks for clarifying!

Proposed Solution

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Alternative Solutions

_No response_

Priority

Critical - Blocking my work

Feature Category

CLI commands and flags

Use Case Example

_No response_

Additional Context

_No response_