diagnosing-bugs - Diagnose hard bugs and performance regressions.
Provides a structured diagnosis workflow for reproducing, isolating, and fixing hard bugs and performance regressions.
Tags
Updated: 2026-09-20Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Build tight feedback loops
- Reproduce and minimize bug scenarios
- Generate falsifiable hypotheses
- Add targeted debug logs
- Write regression tests and fixes
- Clean up debug instrumentation
Inputs
- Bug report or symptom description
- Codebase context and architecture documents
- Execution environment or trace artifacts
Outputs
- Verified bug fix
- Passing regression test
- PR description with verified hypothesis
- Architectural recommendations for prevention
Requirements
- Supported coding tools (Claude Code, Codex CLI, Cursor)
- Required local dev setup, accounts, or API keys
