Marcus Hellberg
@marcushellberg.dev
Applied AI Researcher, Speaker, DevRel expert.
Java Champion.
VP of AI Research @vaadin.com
Java Champion.
VP of AI Research @vaadin.com
Are you a Vaadin developer using AI coding tools? Stop everything you're doing and add the new Vaadin MCP server to your setup before continuing! 🚀 mcp.vaadin.com/docs/
October 28, 2025 at 11:01 AM
Are you a Vaadin developer using AI coding tools? Stop everything you're doing and add the new Vaadin MCP server to your setup before continuing! 🚀 mcp.vaadin.com/docs/
What an absolute treat to have my friend @starbuxman join Vaadin Create to do fast-paced, funny, and information-packed speedrun of all the exciting new features coming in Spring Boot 4 and @spring.io 7!
October 21, 2025 at 9:08 AM
What an absolute treat to have my friend @starbuxman join Vaadin Create to do fast-paced, funny, and information-packed speedrun of all the exciting new features coming in Spring Boot 4 and @spring.io 7!
Vaadin Create 2025 is on!
October 21, 2025 at 8:09 AM
Vaadin Create 2025 is on!
So close… My flight from Orlando was late and I just caught a glimpse of my connection to Helsinki as it pulled out of the gate 😭
October 9, 2025 at 10:56 PM
So close… My flight from Orlando was late and I just caught a glimpse of my connection to Helsinki as it pulled out of the gate 😭
When Claude goes down
September 24, 2025 at 8:47 AM
When Claude goes down
Should we have a higher-level AI chat component in @vaadin.com that handles attachments, streaming, message history? You could register #SpringAI tools, advisors to it to expand its functionality.
Full code for the demo below: new AiChat(OpenAiChatModel.class)
Full code for the demo below: new AiChat(OpenAiChatModel.class)
August 25, 2025 at 9:50 AM
Should we have a higher-level AI chat component in @vaadin.com that handles attachments, streaming, message history? You could register #SpringAI tools, advisors to it to expand its functionality.
Full code for the demo below: new AiChat(OpenAiChatModel.class)
Full code for the demo below: new AiChat(OpenAiChatModel.class)
The @vaadin WTF summit is happening!
(The only logical name for a workshop spanning Wednesday, Thursday, and Friday)
(The only logical name for a workshop spanning Wednesday, Thursday, and Friday)
August 13, 2025 at 3:21 PM
The @vaadin WTF summit is happening!
(The only logical name for a workshop spanning Wednesday, Thursday, and Friday)
(The only logical name for a workshop spanning Wednesday, Thursday, and Friday)
My weekly AI news roundup by ChatGPT is exceptionally insightful this week
August 4, 2025 at 8:11 AM
My weekly AI news roundup by ChatGPT is exceptionally insightful this week
Ollama now has a UI as well! I know what I'll be doing today 🤩
July 31, 2025 at 7:36 AM
Ollama now has a UI as well! I know what I'll be doing today 🤩
BREAKING: @vaadin.com is a terrible framework (if you're trying to hack it).
July 30, 2025 at 2:46 PM
BREAKING: @vaadin.com is a terrible framework (if you're trying to hack it).
🚀 Updated Vaadin MCP
✨ Combines semantic + keyword search with reranking
🛠️ MCP Tools Available:
📚 get_vaadin_primer - Vaadin fundamentals & best practices
🔍 search_vaadin_docs - Search Vaadin docs
📄 get_full_document - Complete doc retrieval
🏷️ get_vaadin_version - Latest stable version info
✨ Combines semantic + keyword search with reranking
🛠️ MCP Tools Available:
📚 get_vaadin_primer - Vaadin fundamentals & best practices
🔍 search_vaadin_docs - Search Vaadin docs
📄 get_full_document - Complete doc retrieval
🏷️ get_vaadin_version - Latest stable version info
July 29, 2025 at 12:39 PM
🚀 Updated Vaadin MCP
✨ Combines semantic + keyword search with reranking
🛠️ MCP Tools Available:
📚 get_vaadin_primer - Vaadin fundamentals & best practices
🔍 search_vaadin_docs - Search Vaadin docs
📄 get_full_document - Complete doc retrieval
🏷️ get_vaadin_version - Latest stable version info
✨ Combines semantic + keyword search with reranking
🛠️ MCP Tools Available:
📚 get_vaadin_primer - Vaadin fundamentals & best practices
🔍 search_vaadin_docs - Search Vaadin docs
📄 get_full_document - Complete doc retrieval
🏷️ get_vaadin_version - Latest stable version info
TIL: in Norway they put the picture of the child whose liver they use to make the paté on the can.
July 2, 2025 at 6:56 PM
TIL: in Norway they put the picture of the child whose liver they use to make the paté on the can.
Getting new Vaadin followers with @marcenglund.com
June 30, 2025 at 9:26 AM
Getting new Vaadin followers with @marcenglund.com
Still waiting for the Hilla release…
June 27, 2025 at 12:49 PM
Still waiting for the Hilla release…
It's fair to say I'm not a big fan of Kubernetes ☸️
June 24, 2025 at 9:20 AM
It's fair to say I'm not a big fan of Kubernetes ☸️
Don’t you just love that feeling when you dig around your old stuff and happen to find 100 trillion dollars?
June 22, 2025 at 5:22 PM
Don’t you just love that feeling when you dig around your old stuff and happen to find 100 trillion dollars?
“The summer is short. Most of it rains away.”
- popular Swedish summer song
Happy midsummer! ☀️
- popular Swedish summer song
Happy midsummer! ☀️
June 20, 2025 at 9:12 AM
“The summer is short. Most of it rains away.”
- popular Swedish summer song
Happy midsummer! ☀️
- popular Swedish summer song
Happy midsummer! ☀️
Vaadin 24.8 is out!
June 18, 2025 at 6:09 PM
Vaadin 24.8 is out!
Looking forward to an amazing few days with 95 other Vaadiners in Berlin! #VaadinConnected2025
June 11, 2025 at 7:07 AM
Looking forward to an amazing few days with 95 other Vaadiners in Berlin! #VaadinConnected2025
Interesting route choice for my Finnair HEL - BER flight, flying backwards through Poland 👀
June 8, 2025 at 9:46 AM
Interesting route choice for my Finnair HEL - BER flight, flying backwards through Poland 👀
