Agentic AI 12 Claude API & Agent SDK Dec 28, 2025 OpenAI Agents SDK Dec 20, 2025 Async Agent Workflows Dec 10, 2025 Harness Engineering Dec 1, 2025 Agent Orchestration & Handoffs Nov 20, 2025 Google Agent Development Kit (ADK) Nov 10, 2025 Agent Memory & State Nov 1, 2025 Cost Control & Optimization Oct 20, 2025 Evals & Guardrails Oct 10, 2025 LangChain & LangGraph Oct 1, 2025 Microsoft AutoGen Sep 22, 2025 CrewAI Sep 14, 2025