why - Investigate why code and designs exist
Investigates design rationale, tradeoffs, constraints, regressions, and historical context using parallel evidence searches with citations.
Tags
Updated: 2026-10-15Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Investigate design rationale
- Anchor code in history
- Query evidence categories in parallel
- Cite supporting sources
- Calibrate confidence explicitly
- Report evidence gaps
Inputs
- User question
- Target code
- Repository history
- Available MCPs
- Connected evidence sources
Outputs
- Cited rationale findings
- Tradeoff analysis
- Evidence coverage map
- Confidence-calibrated synthesis
- Documented evidence gaps
Requirements
- Git repository
- GitHub CLI
- Available MCP servers
- Configured investigator model
- Subagent support