Maarten Grootendorst
maartengr.bsky.social
Maarten Grootendorst
@maartengr.bsky.social
🧑‍💻 Data Scientist | Psychologist
📖 Author of "Hands-On LLMs" (http://LLM-book.com)
🧙‍♂️ Open Sourcerer (BERTopic, PolyFuzz, KeyBERT; github.com/MaartenGr)
💡 Demystifying LLMs (newsletter.maartengrootendorst.com)
You should be able to access it through the platform. I believe even if you do not have a subscription, but I'm not sure 😅
October 28, 2025 at 6:51 PM
@jayalammar.bsky.social and I cover memory (including context engineering) and tools (including MCP) in these chapters, along with many, many visuals. Every so often, we will release a new chapter and show you how they all fit within the framework(s) of AI Agent(s).
October 28, 2025 at 4:58 PM
Building off the book's foundation, we created enough content to hopefully keep you busy for a while:

github.com/HandsOnLLM/H...
Hands-On-Large-Language-Models/bonus at main · HandsOnLLM/Hands-On-Large-Language-Models
Official code repo for the O'Reilly Book - "Hands-On Large Language Models" - HandsOnLLM/Hands-On-Large-Language-Models
github.com
April 30, 2025 at 3:37 PM
I might have gone a little overboard with the number of visuals... but this is such an exciting topic! Here's the article: newsletter.maartengrootendorst.com/p/a-visual-g...
A Visual Guide to LLM Agents
Exploring the main components of Single- and Multi-Agents
newsletter.maartengrootendorst.com
March 17, 2025 at 3:57 PM
Can you guess which visual guide is coming?
March 14, 2025 at 4:05 PM
MCP is such an interesting protocol and a welcome addition to LLM-based frameworks.
March 14, 2025 at 4:05 PM
As a bonus, I created a lightweight installation of KeyBERT using ONLY scikit-learn and Model2Vec! Installation is straightforward:
February 19, 2025 at 3:36 PM
You can find everything at our repo: github.com/HandsOnLLM/H...
February 11, 2025 at 4:23 PM
To Reasoning LLMs and DeepSeek-R1:
February 11, 2025 at 4:23 PM
There are also guides to common principles like Quantization and Mixture of Experts:
February 11, 2025 at 4:23 PM
@jayalammar.bsky.social and I are incredibly proud to bring you this highly animated (and free 😉) course:
February 11, 2025 at 4:23 PM