LangChain4j
@langchain4j.dev
Effortlessly build LLM-powered applications in Java, including chatbots, agents, structured data extraction and RAG: https://github.com/langchain4j/langchain4j
Reposted by LangChain4j
Want to know all about @langchain4j.dev and how easy it is to build AI-infused #Java applications? Learn from one of the @langchain4j.dev committers at #DevoxxMA at 1630 in Imlil for a 2-hour #deepdive!
m.devoxx.com/events/dvma2...
@quarkus.io #Java #AI
m.devoxx.com/events/dvma2...
@quarkus.io #Java #AI
November 13, 2025 at 2:03 PM
Want to know all about @langchain4j.dev and how easy it is to build AI-infused #Java applications? Learn from one of the @langchain4j.dev committers at #DevoxxMA at 1630 in Imlil for a 2-hour #deepdive!
m.devoxx.com/events/dvma2...
@quarkus.io #Java #AI
m.devoxx.com/events/dvma2...
@quarkus.io #Java #AI
Reposted by LangChain4j
Can't wait for #DevoxxMA! Super excited to be in Marrakech for the first time! I have 3 (yes, 3!!) talks this week!
I'll be talking about @quarkus.io #SpringBoot @langchain4j.dev #TestDrivenDevelopment
Come find me and say hello!
I'll be talking about @quarkus.io #SpringBoot @langchain4j.dev #TestDrivenDevelopment
Come find me and say hello!
November 11, 2025 at 8:01 AM
Can't wait for #DevoxxMA! Super excited to be in Marrakech for the first time! I have 3 (yes, 3!!) talks this week!
I'll be talking about @quarkus.io #SpringBoot @langchain4j.dev #TestDrivenDevelopment
Come find me and say hello!
I'll be talking about @quarkus.io #SpringBoot @langchain4j.dev #TestDrivenDevelopment
Come find me and say hello!
Reposted by LangChain4j
GPULlama3.java our first GPU-accelerated Java-native LLM inference engine with #TornadoVM has officially been integrated to LangChain4J! Congratulations to the whole team for this achievement!
Next week @devoxx.com we will showcase our demos as well as provide a deep dive on @tornadovm.org!
Next week @devoxx.com we will showcase our demos as well as provide a deep dive on @tornadovm.org!
October 2, 2025 at 5:12 PM
GPULlama3.java our first GPU-accelerated Java-native LLM inference engine with #TornadoVM has officially been integrated to LangChain4J! Congratulations to the whole team for this achievement!
Next week @devoxx.com we will showcase our demos as well as provide a deep dive on @tornadovm.org!
Next week @devoxx.com we will showcase our demos as well as provide a deep dive on @tornadovm.org!
Reposted by LangChain4j
There's a new experimental observability feature in there done by yours truly!
docs.langchain4j.dev/tutorials/ob...
docs.langchain4j.dev/tutorials/ob...
September 26, 2025 at 8:49 PM
There's a new experimental observability feature in there done by yours truly!
docs.langchain4j.dev/tutorials/ob...
docs.langchain4j.dev/tutorials/ob...
#LangChain4j 1.6.0 is out! 🎉
There are many #Agentic features in this release! 🤖
github.com/langchain4j/...
There are many #Agentic features in this release! 🤖
github.com/langchain4j/...
Release 1.6.0 and 1.6.0-beta12 · langchain4j/langchain4j
Notable Changes
Agentic
Ensure that all pending async agent invocations are completed before ending the root call by @mariofusco in #3695
Call output function when a loop terminates with the exit...
github.com
September 26, 2025 at 2:51 PM
#LangChain4j 1.6.0 is out! 🎉
There are many #Agentic features in this release! 🤖
github.com/langchain4j/...
There are many #Agentic features in this release! 🤖
github.com/langchain4j/...
Reposted by LangChain4j
Optimising Token Usage with @langchain4j.dev for the @github.com MCP Server
www.linkedin.com/pulse/optimi...
www.linkedin.com/pulse/optimi...
Optimising Token Usage with LangChain4j for the GitHub MCP Server
When asking an LLM a question like "What are the last 3 tags of the LangChain4j repository at https://github.com/langchain4j/langchain4j?", without access to real-time data, the model will inevitably ...
www.linkedin.com
September 26, 2025 at 2:13 PM
Optimising Token Usage with @langchain4j.dev for the @github.com MCP Server
www.linkedin.com/pulse/optimi...
www.linkedin.com/pulse/optimi...
Reposted by LangChain4j
Build an AI-Infused Chat Bot with @langchain4j.dev. @agoncal.bsky.social presenting now at #CoimbraJUG
September 17, 2025 at 5:49 PM
Build an AI-Infused Chat Bot with @langchain4j.dev. @agoncal.bsky.social presenting now at #CoimbraJUG
Reposted by LangChain4j
Use any #LLM with your ADK for #Java #AI #agent thanks to the integration with @langchain4j.dev
With some examples calling local models too, with @docker.com Model Runner and @ollamabot.bsky.social
developers.googleblog.com/en/adk-for-j...
With some examples calling local models too, with @docker.com Model Runner and @ollamabot.bsky.social
developers.googleblog.com/en/adk-for-j...
ADK for Java opening up to third-party language models via LangChain4j integration- Google Developers Blog
The recent 0.2.0 release of Google’s Agent Development Kit (ADK) for Java adds an integration with t...
developers.googleblog.com
September 17, 2025 at 9:51 AM
Use any #LLM with your ADK for #Java #AI #agent thanks to the integration with @langchain4j.dev
With some examples calling local models too, with @docker.com Model Runner and @ollamabot.bsky.social
developers.googleblog.com/en/adk-for-j...
With some examples calling local models too, with @docker.com Model Runner and @ollamabot.bsky.social
developers.googleblog.com/en/adk-for-j...
Reposted by LangChain4j
The Java Community is amazing: I had an issue with Agentic programming in @langchain4j.dev, wondered if the problem was me or the API, called Mario Fusco, we both brainstormed a few minutes, and here it is. Thanks Mario
github.com/langchain4j/...
github.com/langchain4j/...
Allow to mix agentic declarative and programmatic API by mariofusco · Pull Request #3699 · langchain4j/langchain4j
Issue
Closes #
Change
General checklist
There are no breaking changes
I have added unit and/or integration tests for my change
The tests cover both positive and negative cases
I have manual...
github.com
September 17, 2025 at 8:26 AM
The Java Community is amazing: I had an issue with Agentic programming in @langchain4j.dev, wondered if the problem was me or the API, called Mario Fusco, we both brainstormed a few minutes, and here it is. Thanks Mario
github.com/langchain4j/...
github.com/langchain4j/...
#LangChain4j 1.5.0 is out! 🎉
This release includes the #MCP registry client, enhancements to the #Agentic module, as well as improvements in multimodality and caching
github.com/langchain4j/...
This release includes the #MCP registry client, enhancements to the #Agentic module, as well as improvements in multimodality and caching
github.com/langchain4j/...
Release 1.5.0 and 1.5.0-beta11 · langchain4j/langchain4j
Notable Changes
MCP: initial registry client implementation by @jmartisk in #3684
Agentic: asynchronous agents by @mariofusco in #3643
Agentic: missing tools features by @mariofusco in #3660
Googl...
github.com
September 16, 2025 at 11:50 AM
#LangChain4j 1.5.0 is out! 🎉
This release includes the #MCP registry client, enhancements to the #Agentic module, as well as improvements in multimodality and caching
github.com/langchain4j/...
This release includes the #MCP registry client, enhancements to the #Agentic module, as well as improvements in multimodality and caching
github.com/langchain4j/...
Reposted by LangChain4j
🎤 Tonight at @bejug.bsky.social : @kevindubois.com kicks things off with a deep dive into AI agentic patterns using @langchain4j.dev 🤖
September 12, 2025 at 4:56 PM
🎤 Tonight at @bejug.bsky.social : @kevindubois.com kicks things off with a deep dive into AI agentic patterns using @langchain4j.dev 🤖
Reposted by LangChain4j
LangChain4J CDI 0.0.3 is out!!!!! with @langchain4j.dev 1.4.0 support github.com/langchain4j/... #ai #langchain4j Thanks to @yblazart.bsky.social and @[email protected]
Release LangChain4J CDI 0.0.3 · langchain4j/langchain4j-cdi
What's Changed
fix: Removing superfluous bracket by @ehsavoie in #65
chore: Update README to help with describing the project and how to use by @ehsavoie in #67
chore: Upgrading to langchain4j 1.4...
github.com
September 3, 2025 at 11:05 AM
LangChain4J CDI 0.0.3 is out!!!!! with @langchain4j.dev 1.4.0 support github.com/langchain4j/... #ai #langchain4j Thanks to @yblazart.bsky.social and @[email protected]
Reposted by LangChain4j
🚀 Excited to present my talk "Build an AI-Infused Chat Bot with @langchain4j.dev" in Portugal next week:
📅 Sep 15 - Lisbon JUG
📅 Sep 17 - Coimbra JUG
Register: www.linkedin.com/feed/update/...
📅 Sep 15 - Lisbon JUG
📅 Sep 17 - Coimbra JUG
Register: www.linkedin.com/feed/update/...
#java #ai #langchain4j #rag #mcp #jug | Antonio Goncalves
I'm thrilled to announce that I'll be giving my talk "Build an AI-Infused Chat Bot with LangChain4j" at two Portuguese Java User Groups this September:
📅 Monday, September 15th - Lisbon JUG
📅 Wednesd...
www.linkedin.com
September 9, 2025 at 9:24 AM
🚀 Excited to present my talk "Build an AI-Infused Chat Bot with @langchain4j.dev" in Portugal next week:
📅 Sep 15 - Lisbon JUG
📅 Sep 17 - Coimbra JUG
Register: www.linkedin.com/feed/update/...
📅 Sep 15 - Lisbon JUG
📅 Sep 17 - Coimbra JUG
Register: www.linkedin.com/feed/update/...
#LangChain4j 1.3.0 is out!🎉
This release introduces two new #agentic modules created by Mario Fusco!
Find more information here: docs.langchain4j.dev/tutorials/ag...
#Agentic #A2A
This release introduces two new #agentic modules created by Mario Fusco!
Find more information here: docs.langchain4j.dev/tutorials/ag...
#Agentic #A2A
August 7, 2025 at 1:14 PM
#LangChain4j 1.3.0 is out!🎉
This release introduces two new #agentic modules created by Mario Fusco!
Find more information here: docs.langchain4j.dev/tutorials/ag...
#Agentic #A2A
This release introduces two new #agentic modules created by Mario Fusco!
Find more information here: docs.langchain4j.dev/tutorials/ag...
#Agentic #A2A
Reposted by LangChain4j
New Blog post - 🤝 @microsoft.com + @langchain4j.dev = secure and scalable #Java #AI including Azure + OpenAI Java SDK integration. Read: devblogs.microsoft.com/java/microso...
#Azure
#Azure
Microsoft and LangChain4j: A Partnership for Secure, Enterprise-Grade Java AI Applications - Microsoft for Java Developers
Discover how Microsoft and LangChain4j are empowering Java developers to build secure, scalable AI applications. Learn about OpenAI SDK integration, Azure support, and robust security enhancements in ...
devblogs.microsoft.com
July 16, 2025 at 8:23 PM
New Blog post - 🤝 @microsoft.com + @langchain4j.dev = secure and scalable #Java #AI including Azure + OpenAI Java SDK integration. Read: devblogs.microsoft.com/java/microso...
#Azure
#Azure
Reposted by LangChain4j
Yay, my talk on next-level @langchain4j.dev features got accepted at #BaselOne 🥳 Ready to see how to use AI for speeding up drug development? 😊
Das #BaselOne25 Programm ist da 🔥
📅 15.–16. Okt. 2025
🚀 Workshops + 5 Konferenz-Tracks
🎤 Mit @alenabuyx.bsky.social, @lizeraes.bsky.social, @hansolo.eu, @ralfdmueller.bsky.social, @ixchelruiz.bsky.social, @martinelli.ch, @patbaumgartner.com, uvm.
👉 baselone.org#programm
🎟️ eventfrog.ch/BaselOne2025
📅 15.–16. Okt. 2025
🚀 Workshops + 5 Konferenz-Tracks
🎤 Mit @alenabuyx.bsky.social, @lizeraes.bsky.social, @hansolo.eu, @ralfdmueller.bsky.social, @ixchelruiz.bsky.social, @martinelli.ch, @patbaumgartner.com, uvm.
👉 baselone.org#programm
🎟️ eventfrog.ch/BaselOne2025
June 30, 2025 at 7:43 AM
Yay, my talk on next-level @langchain4j.dev features got accepted at #BaselOne 🥳 Ready to see how to use AI for speeding up drug development? 😊
Reposted by LangChain4j
Come see me talk about @langchain4j.dev at IBM TechExchange October 6 - 9 in Orlando, USA. reg.tools.ibm.com/flow/ibm/tec...
Session Catalog - IBM TechXchange 2025
Uncover the highlights and experiences that await you on our meticulously planned agenda – explore over 1,000 sessions and labs.
reg.tools.ibm.com
June 25, 2025 at 10:19 PM
Come see me talk about @langchain4j.dev at IBM TechExchange October 6 - 9 in Orlando, USA. reg.tools.ibm.com/flow/ibm/tec...
Reposted by LangChain4j
Played around a bit with MCP integration with @quarkus.io, @langchain4j.dev and Ollama during the yearly hackathon with the @openvalue.eu Utrecht team.
Built a small example setup with 2 @quarkus.io apps - an MCP client that connects to an MCP server over HTTP:
github.com/bertjan/quar...
Built a small example setup with 2 @quarkus.io apps - an MCP client that connects to an MCP server over HTTP:
github.com/bertjan/quar...
GitHub - bertjan/quarkus-langchain-ollama-mcp-example: Example MCP client and server with Quarkus, Langchain4j and Ollama.
Example MCP client and server with Quarkus, Langchain4j and Ollama. - bertjan/quarkus-langchain-ollama-mcp-example
github.com
June 22, 2025 at 11:26 AM
Played around a bit with MCP integration with @quarkus.io, @langchain4j.dev and Ollama during the yearly hackathon with the @openvalue.eu Utrecht team.
Built a small example setup with 2 @quarkus.io apps - an MCP client that connects to an MCP server over HTTP:
github.com/bertjan/quar...
Built a small example setup with 2 @quarkus.io apps - an MCP client that connects to an MCP server over HTTP:
github.com/bertjan/quar...
Reposted by LangChain4j
In case you missed the latest @langchain4j.dev release, a new feature that snuck in is #guardrails! You can validate LLM input & output!
docs.langchain4j.dev/tutorials/gu...
docs.langchain4j.dev/tutorials/gu...
Guardrails | LangChain4j
Guardrails is an experimental feature. Its API and behavior might change in future versions.
docs.langchain4j.dev
June 20, 2025 at 9:17 PM
In case you missed the latest @langchain4j.dev release, a new feature that snuck in is #guardrails! You can validate LLM input & output!
docs.langchain4j.dev/tutorials/gu...
docs.langchain4j.dev/tutorials/gu...
#LangChain4j 1.1.0 is out! 🎉
This release includes the next batch of RC1 modules, along with some great new features!
github.com/langchain4j/...
This release includes the next batch of RC1 modules, along with some great new features!
github.com/langchain4j/...
Release 1.1.0, 1.1.0-rc1 and 1.1.0-beta7 · langchain4j/langchain4j
Announcements
We are excited to announce the release of version 1.1.0-rc1 (release candidate 1) for the next set of modules:
langchain4j-anthropic
langchain4j-azure-open-ai
langchain4j-bedrock
lan...
github.com
June 18, 2025 at 5:11 PM
#LangChain4j 1.1.0 is out! 🎉
This release includes the next batch of RC1 modules, along with some great new features!
github.com/langchain4j/...
This release includes the next batch of RC1 modules, along with some great new features!
github.com/langchain4j/...
Reposted by LangChain4j
Thank you to everyone who attended my talk "#RAG & #Tools with @langchain4j.dev" at #SouJava's 30-year celebration. The slides from my talk are available at speakerdeck.com/edeandrea/so...
June 18, 2025 at 3:04 PM
Thank you to everyone who attended my talk "#RAG & #Tools with @langchain4j.dev" at #SouJava's 30-year celebration. The slides from my talk are available at speakerdeck.com/edeandrea/so...