Add or tighten tests before implementing a behavior change.
npx skills add https://github.com/kodi/topchester-agent --skill test-driven-developmentこのコマンドをClaude Codeにコピー＆ペーストしてスキルをインストール
Configure Topchester project and user settings. Use when editing or explaining `topchester.jsonc`, `~/.config/topchester/config.jsonc`, model providers, command policy, ignore paths, hooks, project instruction files, or repo-scoped command approvals.
Review code for correctness, maintainability, security, and project fit.
Split larger work into ordered, verifiable implementation slices.
Quickly map an unfamiliar repository before changing it.
Debug failures by finding evidence and root cause before changing code.
Use this skill when creating or updating planning documents for large changes, migrations, phased implementations, multi-PR work, risky refactors, staging validation, or any task that should be decomposed into ordered, reviewable slices with clear dependencies and verification.
| name | test-driven-development |
| description | Add or tighten tests before implementing a behavior change. |
Use when changing behavior, fixing a bug, or adding a contract that can be tested locally.
Keep the final test command in the handoff and note any test that could not be run.
