Deep Agents Implementation Core Concepts Deep Agents provides a batteries-included agent harness built on LangGraph: - : Factory function that creates a configured agent - Middleware : Injected capabilities (filesystem, todos, subagents, summarization) - Backends : Pluggable file storage (state, filesystem, store, composite) - Subagents : Isolated task execution via the tool The agent returned is a compiled LangGraph , compatible with streaming, checkpointing, and LangGraph Studio. Essential Imports Basic Usage Minimal Agent With Custom Tools With Custom Model With Checkpointing (Persistence)…