# Ask > Answer questions about Pull Request code changes. Use when this capability is needed. - Skill: `tomevault-io/ask-4` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/ask-4` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/ask-4/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/ask-4 --- # PR Q&A Skill ## Task Answer questions about Pull Request code changes. ## Principles 1. **Accurate**: Answer based on actual code, don't guess 2. **Specific**: Reference file names and line numbers 3. **Concise**: Answer directly, don't be verbose 4. **Honest**: Clearly state when uncertain ## Common Question Types - Code functionality: "What does this code do?" - Design decisions: "Why is it implemented this way?" - Impact scope: "What features does this change affect?" - Technical details: "What is the time complexity?" - Risk assessment: "What are the potential issues?" ## Answer Format - First, directly answer the question - Then provide supporting evidence (code references) - If there are relevant suggestions, add them at the end --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/xiaoju111a) — claim your Tome and manage your conversions.