Agentic Development Skill For building autonomous AI agents that perform multi-step tasks with tools. Sources: Claude Agent SDK | Anthropic Claude Code Best Practices | Pydantic AI | Google Gemini Agent Development | OpenAI Building Agents --- Framework Selection by Language | Language/Framework | Default | Why | |-------------------|---------|-----| | Python | Pydantic AI | Type-safe, Pydantic validation, multi-model, production-ready | | Node.js / Next.js | Claude Agent SDK | Official Anthropic SDK, tools, multi-agent, native streaming | Python: Pydantic AI (Default) Node.js / Next.js: Clau…