LANGGRAPH

One agent run crashes mid tool call, waits two days for approval, then retries a charge. How LangGraph, Mastra, Pydantic AI and OpenAI Agents SDK handle it.

AWS open-sourced Pizza Bot, a local-first inbox for long-running AI agent work. The useful lesson is not the brand. It is the queue, approval, checkpoint, and return-path pattern.

Agents that critique their own output, learn from mistakes, and get better over time - the three patterns that actually ship, from simple reflection loops to tree search and meta agents.

Claude Agent SDK vs LangGraph head-to-head: architecture, state handling, multi-agent patterns, and real pricing - plus a decision guide for which agent stack fits your team in 2026.

Apache Burr hit the front page of Hacker News with 142 points today. Here is what it actually does, how it compares to LangGraph and CrewAI, and when you should skip frameworks entirely.

The 2026 agent decision is not CrewAI vs LangGraph. It is whether your loop lives in vendor infrastructure, a self-hosted graph runtime, or a plain while-loop you wrote yourself. Here is how to choose.

Both Mastra and LangGraph.js are serious TypeScript agent frameworks - but they start from opposite philosophies. Here is what that means for your next project.

Four mature, production-ready TypeScript frameworks have made building agents genuinely enjoyable. Here is how to pick the right one - and how they fit together.

AI SDK 6 ships ToolLoopAgent and full MCP support. LangGraph hits 1.0 GA with durable state and built-in interrupt/resume. Here is how to choose between them for your TypeScript team.

A practical field note on where Mastra, CopilotKit, and LangGraph fit when you are building the same agent-native product interface.

CopilotKit is strongest when you treat it as the product-facing agent UI layer: chat surfaces, frontend tools, shared state, generative UI, and human approval around a backend agent.

Deep comparison of the top AI agent frameworks - LangGraph, CrewAI, Mastra, CopilotKit, AutoGen, and Claude Code.

Wire a Python LangGraph agent into a Next.js frontend using CopilotKit's co-agent architecture. Full walkthrough covering the graph, search nodes, streaming state, and the React UI.