Write PRD, 写产品需求文档。Use when: 需要写新功能 PRD（有UI/无UI）、第三方集成、功能重构、性能/安全优化需求。
安装
npx skills add TestAny-io/testany-agent-skills --skill prd-writernpx skills add TestAny-io/testany-agent-skills --skill prd-writer -a claude-code -gnpx skills add TestAny-io/testany-agent-skills --skill prd-writer -a codex -ggemini skills install https://github.com/TestAny-io/testany-agent-skills.git --path plugins/testany-eng/skills/prd-writergh skill install TestAny-io/testany-agent-skills prd-writergit clone --depth 1 https://github.com/TestAny-io/testany-agent-skills /tmp/TestAny-io__testany-agent-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/TestAny-io__testany-agent-skills/plugins/testany-eng/skills/prd-writer ~/.claude/skills/prd-writer # Claude Code
cp -R /tmp/TestAny-io__testany-agent-skills/plugins/testany-eng/skills/prd-writer ~/.agents/skills/prd-writer # Codex, Cursor, Gemini CLI, Copilot, OpenCode