freeCodeCamp

A Developer's Guide to WebMCP: Shipping a 0% Adoption Standard

Chudi Nnorukam |
I scanned 111,076 of the top 200,000 websites on the internet looking for a specific HTTP header. I found exactly zero. Not one domain has shipped WebMCP in production. Not a single Fortune 500 site.... read more

How to Build a Hybrid Cloud Platform with Google Cloud Services and On-Premise Kubernetes Infrastructure

Shubham Katara |
In this article, you'll learn how to design and build a secure, scalable hybrid cloud platform that connects your on‑premises Kubernetes infrastructure to Google Cloud Platform. This allows on‑prem ap... read more

How to Design APIs for AI Agents

David Aniebo |
APIs are designed for human developers. People read documentation, infer the intent behind an endpoint, and know how to handle edge cases when something unexpected happens. AI agents don't have that c... read more

Learn Figma for UI/UX Design

Beau Carnes |
Master the entire UI/UX design workflow. We just published a comprehensive six-hour course on the freeCodeCamp.org YouTube channel that takes you from Figma basics to professional-grade, high-fidelity... read more

When Your Customer Is an AI Agent: How B2B Companies Stay Visible When Buyers Are AI Agents

Rudrendu Paul |
In April 2026, the 2X AI Innovation Lab published the inaugural AI Visibility Index, analyzing how 70 B2B companies appear across the generative AI environments that buyers now use to research and sho... read more

GDPR Article 32 for Software Engineers: Technical Controls, Implementations, and Auditor Questions

Ayobami Adejumo |
When I first read GDPR Article 32, I made a mistake. I thought it was a legal document. But it's not. It's an infrastructure specification. The regulation says you need "appropriate technical measures... read more

RAG Explained Simply with a Real Project

Ashutosh Krishna |
If you have used ChatGPT, you know how magical it feels. You ask a question, and it instantly generates a highly articulate answer. But you also probably know its biggest flaw. If you ask it about you... read more

Production RAG with LangChain & Vector Databases

Beau Carnes |
Master the transition from simple prototypes to production-grade RAG systems by addressing the critical scaling, debugging, and security challenges that standard tutorials often ignore. We just posted... read more

Advanced Error Handling in Dart: Records, Result Types, Monads, and Freezed Exceptions

Oluwaseyi Fatunmole |
Every Dart developer has written this at some point: try { final user = await repository.getUser(id); // do something with user } catch (e) { // what is e? who knows. print(e.toString()); } I... read more

AI Paper Review: GPT-4 Technical Report (GPT-4)

Mohammed Fahd Abrah |
When GPT-3 was released in 2020, it completely changed how people thought about language models. It showed that a sufficiently large neural network could learn tasks directly from prompts and examples... read more