Use before starting a product, feature, MVP, agent, automation, or integration build to identify the main pre-build risk and choose the smallest validation step. Trigger when the user asks whether to build, scope, validate, prioritize, or sanity-check an idea before implementation.
Install
npx skills add OneWave-AI/claude-skills --skill before-you-buildnpx skills add OneWave-AI/claude-skills --skill before-you-build -a claude-code -gnpx skills add OneWave-AI/claude-skills --skill before-you-build -a codex -ggemini skills install https://github.com/OneWave-AI/claude-skills.git --path before-you-buildgh skill install OneWave-AI/claude-skills before-you-buildgit clone --depth 1 https://github.com/OneWave-AI/claude-skills /tmp/OneWave-AI__claude-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/OneWave-AI__claude-skills/before-you-build ~/.claude/skills/before-you-build # Claude Code
cp -R /tmp/OneWave-AI__claude-skills/before-you-build ~/.agents/skills/before-you-build # Codex, Cursor, Gemini CLI, Copilot, OpenCode