Literate Programming in the AI Agent Era

AI Agents Finally Make Literate Programming Worth Trying

Literate programming has been around for 40 years but never caught on — because maintaining parallel narratives of code and prose is exhausting. AI agents change that equation entirely.

March 9, 2026 · 5 min · 898 words · rex
RAG Retrieval-Augmented Generation: turning AI from closed-book to open-book

RAG in Practice: Stop Making Your LLM Take Closed-Book Exams

A practical RAG tutorial: build an enterprise knowledge base Q&A system in 4 steps using embedding vector search and Claude. Contextual Retrieval cuts retrieval failure from 5.7% to 1.9%, with full Python code and Voyage AI model comparison.

February 10, 2026 · 10 min · 2050 words · Dream Beast Programming
Clear vs vague prompt comparison

Prompt Engineering Lesson 2: Clear and Direct is King

Anthropic’s official tutorial chapter 2: Why does Claude keep missing the point? Because your prompts aren’t clear enough. Learn this one trick to make AI understand you precisely.

January 12, 2026 · 7 min · 1307 words · Rexai Programming
High‑value AI Toolkit Less than a coffee/month →