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Original rewrites on React, Node.js, TypeScript and AI — practical notes from the same engineering practice behind our operator software. Article bodies are in English.
Tagged: agents
Orchestrate researcher and coder agents with LangGraph
Scaffold a LangGraph multi-agent app with soul prompts, Ollama models, Tavily search, handoff tools, and Postgres checkpoints for orchestrator-led workflows.
2200 wordsRead articleYour First Tool-Using AI Agent with LangChain
Build a small LangChain math agent in Python: initialize a chat model, register tools, let the LLM choose which function to call, and see multi-step tool use.
1062 wordsRead articleSelf-Hosting LangGraph Agent Server With Postgres and Redis
Learn how Langhost swaps LangGraph's persistence layer for Postgres and Redis, letting teams self-host the unmodified Agent Server under an MIT license.
1536 wordsRead articleLangChain vs LangGraph: What the Package Dependencies Actually Show
A dependency-level breakdown reveals that LangGraph is a required part of LangChain, reframing the framework choice as three packages, not two.
897 wordsRead articleOpenAI's Agents API: A Managed Alternative to Custom Agent Frameworks
This article explains how OpenAI's new Agents API handles context management, tool orchestration, and execution environments so teams can skip building custom agent infrastructure.
1161 wordsRead articleLangChain 1.x in Practice: Chains, RAG, Tools, and Agents Locally
Learn to build chains, retrieval-augmented generation, tools, and agentic RAG with LangChain 1.x using a free local Ollama setup, no API keys required.
3655 wordsRead articleUnderstanding Items vs Messages in OpenAI's Responses API
Explains how OpenAI's Responses API reorganizes model outputs into items instead of messages, and why that shift matters for tool-calling and agentic workflows.
1836 wordsRead articleBounded Agentic Loops: Reliable TypeScript Patterns for LLM Tool Use
Learn how to architect TypeScript LLM agents using bounded agentic loops with Zod validation, deterministic tool execution, and error recovery for production-grade reliability.
2213 wordsRead article
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