LangGraph for Agents: Stateful, Cyclic Workflows
How LangGraph models agents as stateful, cyclic graphs: state schemas, nodes, checkpointing, human review interrupts, and when to…
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This series is about building AI agents that survive production. It starts with design choices and ends with security, cost and operations.
First, read multi-agent vs single-agent to pick a shape. Then how to evaluate AI agents shows how to measure success. Finally, prompt injection in agents covers the attacks that come through tools and data. Each post is short, with code and trade-offs rather than theory.
27 articles
How LangGraph models agents as stateful, cyclic graphs: state schemas, nodes, checkpointing, human review interrupts, and when to…
Designing human-in-the-loop agents: approval boundaries, escalation, review, override, audit trails, and how guardrails differ from permission checks.
AI agent planning and reasoning patterns: how ReAct, plan-and-execute, and tree-of-thought work, and when each one earns its…
Agent memory for AI agents: short-term, long-term, and episodic stores, with write policies, retrieval, freshness, and how memory…
How tool use and function calling work in AI agents: tool contracts, JSON schemas, validation, authorization, and error…
When to use an AI agent instead of a workflow: a decision framework comparing predictability, cost, and failure…
Inside the anatomy of an AI agent: the control loop, model calls, tool execution, state transitions, memory, and…
What is an AI agent? A practical definition: the components inside an agent system, how agents differ from…
A complete guide to building reliable AI agents: architecture, tools, memory, frameworks, evaluation, observability, security, and production deployment.
MCP standardizes how apps expose tools, resources, and prompts to LLMs. I cover architecture, security, and working server…
The model is the brain; the harness is the room it works in. A field guide to loops,…
Go beyond ChatGPT and discover the core concepts of AI. From data and algorithms to models and learning,…
A plain-language map of AI for new programmers: models, data, inference, and where it shows up in real…