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Focused blog card: 3 Things I Learned While Building My First Multi-Agent Architecture

3 Things I Learned While Building My First Multi-Agent Architecture

What does it actually take to build a working multi-agent architecture? Agustín shares lessons from his first implementation, covering agent structure, evals, and why your use case should shape the design
LangChain
Focused blog card: Debugging LLM Pipelines with LangSmith

Debugging LLM Pipelines with LangSmith: Why Prompting Alone Isn't Enough

Learn how Focused uses LangSmith to debug, test, and scale LLM pipelines. Go beyond prompt engineering and design systems built for production.
LangChain
Focused blog card: Why Are You Locking Yourselves Into LangChain?

"Why Are You Locking Yourselves Into LangChain?"

Learn why Focused chose LangChain as our framework for building agentic systems. We break down the developer-first principles and architectural benefits that make it the right choice for production-ready AI applications.
LangChain
Focused blog card: Customizing Memory in LangGraph Agents

Customizing Memory in LangGraph Agents for Better Conversations

Learn how to customize memory in LangGraph agents to create more natural, context-aware conversational AI experiences that remember past interactions.
LangChain
Focused blog card: Migrating from LangChain to LangGraph

Migrating Classic LangChain Agents to LangGraph a How To

It's time to replace the deprecated “initialize_agent” API with first‑class LangGraph nodes so you can cut latency and gain graph‑level control.
LangChain
Focused blog card: Tying The Data Together — Implementing The Supergraph

Part Two: Tying The Data Together - Implementing The Supergraph

Discover how to implement a scalable, secure federated Supergraph using Netflix DGS, the Apollo Router, and CI/CD automation to build a modern data mesh platform.
Blog
Focused blog card: You Can't Trust the Vibes - A Deep Dive on AI Evals

"You Can't Just Trust the Vibes": A Deep Dive on AI Evaluations with Sarah Kainec

Focused Lead Software Engineer Sarah Kainec breaks down AI evaluations, eval-driven development, and how tools like LangSmith and LangGraph help teams test LLMs, reduce fragility, and build production-ready agentic systems.
LangChain
Two developers collaborating at a computer screen in a colorful modern office

Retrospective on Rituals in a World of Human + Agent Collaboration

A look at how evolving workplace rituals, from daily standups to agent-focused Lunch & Learns, are helping teams navigate the shift toward human and AI collaboration.
Culture
Focused blog card: Unsticking Your React Tests

Unsticking Your React Tests

Tips for testing complex React components using state, context, and controlled inputs.
Blog
Focused blog card: Building a Learning Culture — Why It's a Lot Like Parenting Twins

Building a Learning Culture: Why It's a Lot Like Parenting Twins

What parenting twins taught me about retros, pairing, and building adaptable teams.
Culture
Focused blog card: Mitigating Risk, Unlocking Potential — Observability and Agentic Systems

Mitigating Risk, Unlocking Potential: Observability and Agentic Systems

Agents need observability to operate with real precision. Here’s why OpenTelemetry is the key to making them truly useful in production.
Blog
Two developers collaborating at a desk with multiple monitors showing code

A/B Testing: What It Is and Why You Should Use It to Improve Your Decisions

A/B testing can improve decision-making and user experience. Learn how to implement it effectively, avoid common pitfalls, and keep experiments from overwhelming your code.
Blog
Focused blog card: Parallel Execution with LangChain & LangGraph

Parallel execution with LangChain and LangGraph.

Learn how to significantly speed up LangChain and LangGraph agent workflows with parallel execution. A straightforward, powerful technique for faster results.
LangChain
Laptop screen showing a VS Code extension marketplace page with a coffee mug beside it

Shifting to an Observability Mindset from a Developer's Point-of-view

Learn how tracing completes the Observability picture beyond logs and metrics, helping developers proactively spot performance issues in distributed systems.
Blog
Abstract geometric overlay illustration for unified digital ecosystem article

Part One: A Unified Experience Blocked By A Fractured Ecosystem

Focused helped a Big Three automaker tackle microservice sprawl and unify their customer experience with a federated GraphQL API.
Blog
Close-up of colorful source code displayed on a monitor in a dark code editor

Developing AI Agency

AI is reshaping software development. Learn how leaders can navigate advocates, skeptics, and holdouts, and why pairing is the key to lasting change.
Blog
1

Chat With Your PDFs PART 1: An End-to-End LangChain Tutorial

Chat With Your PDFs PART 2: Frontend - An End-to-End LangChain Tutorial

Deploy an AI Coding Assistant in the Cloud with Hetzner, Ollama, and TailScale for Cursor

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