What’s new.
Every new tool, course, guide, and post, newest first. Want it delivered? It’s the same stream as our RSS feed, so subscribe in any reader and new launches show up automatically.
Subscribe via RSS- Feed Preview
Paste an RSS or Atom feed and read it as a clean, human-friendly list, fully in your browser.
- RSS → JSON
Turn any RSS or Atom feed into clean JSON for your app, no server round-trip.
- KB Cafe has its own RSS feed
Fitting for an RSS-era domain: subscribe in any reader and new tools, courses, and posts arrive automatically.
- Learn AI Agents
A free, hands-on path from idea to a working agent architecture, each step pairing a concept with a tool.
- Learn AI Infrastructure
The building blocks of modern AI, from context windows to agents, in order.
- Knowledge Map
An interactive graph of every concept, tool, and lesson, and how they connect.
- Context Budget Analyzer
See exactly what fills a model’s context window, ranked by the biggest offenders.
- The Return of KB Cafe
kbcafe.com was a go-to developer resource in the early 2000s. Here's what it is now, and why we brought it back.
- AI Explained
Plain-English explainers for MCP, RAG, embeddings, tool calling, structured outputs, and more.
- RSS Didn't Die, The Open Web Just Got Quiet
Everyone declared RSS dead a decade ago. It's quietly running newsletters, podcasts, and the fediverse the whole time.
- Feeds for Machines: RSS as the Structured Layer for AI
LLMs are starving for clean, structured, permissioned content. A 25-year-old format turns out to be a good answer.