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AI & Data: Applied AI, Machine Learning, and Production Data Systems

A hub for teams putting AI into production — LLM integrations, retrieval-augmented generation, AI agents, and the data infrastructure that keeps them honest. Our focus is on the engineering reality after the demo: evaluation suites, guardrails, cost control, and the architectural choices that decide whether an AI feature earns its keep or quietly regresses in month three.

Expect practitioner writing on model selection and hybrid stacks, AI agents, RAG and vector search, prompt engineering, fine-tuning versus prompting, MLOps and LLMOps, drift and regression detection, and the data pipelines underneath all of it. We also publish on where classical machine learning still beats LLMs, when workflow automation solves the problem without a model at all, and the failure patterns we see most often in AI projects we inherit from other teams.

LLMs in Production: Selection, Evaluation, and Guardrails

Most AI features fail at evaluation, not at the model layer. Teams ship a prompt that looks right in a demo, skip the offline eval suite, and find out about the regression from a support ticket. Our approach is the opposite: we pick models to fit the task — frontier hosted models for reasoning-heavy work, smaller open-weight models for extraction and classification — and we build an evaluation harness before the feature leaves a branch. In this section we write about generative AI model selection, prompt and context design, RAG over real-world sources (messy PDFs, SharePoint, Confluence), guardrails and PII handling, and the cost and latency trade-offs that decide whether an LLM feature is viable at the traffic you actually get.

AI & Data Articles

Context engineering decides what an AI agent sees. How we manage prompt, data, memory, attention and reasoning in real systems.

29.09.2026

Marcin Sadowski

Context Is King: How to Serve It With Context Engineering

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Forward deployed engineering puts engineers inside your systems, not on a call. The role, the skills, the economics, and when to buy it.

06.08.2026

Matt Sadowski

Forward Deployed Engineering: The Delivery Model AI Made Necessary

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Learn how generative UI builds personalized, reliable interfaces from trusted components with 1,377 tests revealing best formats for robust production use.

28.07.2026

Marcin Sadowski

Generative UI: How AI Builds User Interfaces on Demand

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Explore how AG-UI protocol streams 17 event types for real-time AI agent interaction, contrasting with MDMA's Markdown-based generative UI content format.

31.07.2026

Marcin Sadowski

AG-UI Protocol Explained: How It Compares to MDMA

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A developer's guide to generative UI frameworks in 2026: Vercel AI SDK, CopilotKit, Tambo, A2UI, AG-UI, json-render, and MDMA, with how each generates user interfaces.

07.10.2026

Marcin Sadowski

Top Generative UI Frameworks 2026: A Developer's Guide

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Compare json-render's JSON tree and MDMA's Markdown approach for AI-generated UIs to boost reliability, ease multi-turn edits, and simplify developer reviews.

31.07.2026

Marcin Sadowski

JSON Render vs MDMA: Why the MD Format Might Be the Better Choice for Generative UI

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Under every reliable AI system is a data system that rarely gets enough attention. This section covers the unglamorous layer — ingestion from heterogenous sources, cleaning and normalization, labeling strategies when you cannot afford a full labeled dataset, embeddings and vector indexes, and the monitoring stack that catches drift before your users do. We also write about MLOps and LLMOps as a practice rather than a vendor list: versioning prompts and datasets alongside code, canarying model changes, shadow traffic for regression testing, and the honest question of when a feature should not be built as ML at all because a rule-based approach is cheaper, faster, and fully explainable.

Most AI projects we inherit from other teams did not fail at the model layer. They failed at evaluation. Somebody wrote a clever prompt, it looked convincing in a demo, and six weeks later the product team is debugging regressions through screenshots in Slack. We refuse to ship an LLM feature without an offline eval suite and a feedback loop wired into the product — that discipline is what separates an AI feature that compounds in value from one that quietly erodes trust until it gets turned off.

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Mattt Sadowski

CEO & Custom Software Expert at Mobile Reality

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