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Curated developer articles, tutorials, and guides — auto-updated hourly
Ananya S6d ago • 3 min read
🚀 I Built an AI-Powered Fest Assistant with Agents, RAG & Planning (Pragyan @ NITT)
I deleted Instagram more than a year ago, and honestly, it saved me from a lot of distractions. But...
#ai#python#langchain#rag
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Austin Vance6d ago • 12 min read
Multi-Agent Orchestration in LangGraph: Supervisor vs Swarm, Tradeoffs and Architecture
Implement supervisor and swarm patterns in LangGraph for multi-agent systems. Compare routing accura...
#programming#langchain#ai
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Austin Vance6d ago • 10 min read
Persistent Agent Memory in LangGraph
Build stateful AI agents with LangGraph memory persistence. Implement checkpointers, long-term memor...
#ai#langchain#python#programming
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Austin Vance6d ago • 4 min read
Introduction to LangChain Expression Language: A Developer’s Guide
A step-by-step guide to upgrading your RAG application to LangChain Expression Language (LCEL). Lear...
#ai#programming#langchain
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Austin Vance4d ago • 14 min read
Evaluation Pipelines for LangGraph Agents
Learn how to build evaluation pipelines for LangGraph agents using LangSmith. Implement datasets, LL...
#testing#programming#ai#langchain
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Nikhil raman KApr 13, 2026 • 11 min read
# LangChain vs LangGraph: Which Agent Framework Actually Delivers in Production?
Table of Contents What Each Framework Actually Is The Core Architectural Difference How...
#langchain#langgraph#agents#ai
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Austin Vance5d ago • 6 min read
LangGraph for Enterprise Agent Development: Why We Built Our Entire Practice on It
Why Focused Labs chose LangGraph as the foundation for enterprise AI agent development. Deterministi...
#ai#programming#langchain
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Austin Vance5d ago • 5 min read
Debugging Your RAG Application: A LangChain, Python, and OpenAI Tutorial
A step-by-step walkthrough of debugging a RAG application built with LangChain LCEL. Learn practical...
#programming#python#langchain#ai
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Logan5d ago • 12 min read
The $47,000 Agent Loop: Why Token Budget Alerts Aren't Budget Enforcement
Four agents entered an infinite loop in November 2025. They ran for 11 days. The bill was $47,000......
#ai#agents#finops#langchain
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willamhou17h ago • 4 min read
How to Add Tamper-Evident Audit Trails to Your LangChain Agent
Sign every tool call with Ed25519, hash-chain the audit log, verify offline. 5 minutes, two lines of...
#langchain#python#ai#security
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Austin Vance6d ago • 6 min read
"You Can't Just Trust the Vibes": A Deep Dive on AI Evaluations with Sarah Kainec
Sarah Kainec explains AI evaluations, why they matter for production systems, and how tools like Lan...
#ai#programming#langchain
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Austin Vance6d ago • 12 min read
LangChain Under the Hood: 5 Features We Rely On Daily
Explore five core LangChain features Focused Labs relies on daily for building production LLM applic...
#ai#programming#langchain
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Austin Vance6d ago • 2 min read
Stop Including JSON in Your Prompts
Learn how LangChain v1 standardizes structured outputs using with_structured_output and response_for...
#ai#programming#langchain
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Austin Vance6d ago • 17 min read
LangChain: Bridging the Gap to Production-Grade AI Agents
Learn how LangChain, LangGraph, and LangSmith enable production-grade AI agents for enterprise. A pr...
#ai#programming#langchain
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Austin Vance6d ago • 3 min read
Building What's Next with LangChain 1.0, LangGraph 1.0, and LangSmith
Focused reflects on the LangChain 1.0 and LangGraph 1.0 launch, new LangSmith observability features...
#ai#programming#langchain
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Austin Vance6d ago • 4 min read
LangGraph Patterns That Scale In Production: Tool Calling for Context Engineering
Learn how to scale LangGraph agents in production using tool calling for context engineering. Reduce...
#ai#programming#langchain
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Austin Vance6d ago • 3 min read
Chat With Your PDFs PART 2: Frontend - An End-to-End LangChain Tutorial
Build a React and TypeScript frontend for your LangChain RAG chatbot. Learn streaming with Server Se...
#ai#programming#langchain
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Austin Vance6d ago • 7 min read
Basic Architecture of a Domain Specific Custom AI Chatbot
A beginner-friendly breakdown of how to build a domain-specific AI chatbot using Large Language Mode...
#ai#programming#langchain
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Austin Vance6d ago • 4 min read
Small Steps Towards Effective Prompt Engineering
An introduction to programmatic prompt engineering for LLM applications. Learn how specificity, stru...
#ai#programming#langchain
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Austin Vance6d ago • 2 min read
Demystifying LCEL & LangChain
A developer's introduction to LangChain Expression Language (LCEL) — the composable interface for bu...
#ai#programming#langchain
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Shreya Ghorui12h ago • 8 min read
🦜 LangChain From Scratch — A Complete Beginner's Guide (with Diagrams)
A visual, beginner-friendly deep-dive into LangChain — covering fundamentals, components, RAG, chain...
#langchain#llm#ai#python
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Bernard K4d ago • 3 min read
How I Built a Document Q&A Bot Using LangChain, FAISS, and Docker
Setting up a Document Q&A Bot using LangChain, FAISS, and Docker has been quite the expedition.....
#langchain#ai#python#docker
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Oluwajubelo2d ago • 2 min read
Productionizing LLMs in Go: Distributed Budgeting, LangChain, and ROI Tracking
How to take Otellix to production with distributed budget enforcement, automated identity discovery,...
#go#o11y#langchain#ai
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Austin Vance6d ago • 14 min read
RAG Pipeline + LLM: Yes, You Can Have Your AI Cake and Eat it Too
Discover how retrieval-augmented generation (RAG) pipelines work with LLMs to deliver more accurate,...
#python#ai#programming#langchain
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