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#langchain4j — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #langchain4j, aggregated by home.social.

  1. Policy-aware moderation works best when the policy travels with the request.

    I built Shieldstral into a Quarkus LangChain4j service as scored input and output guardrails. The tutorial covers the one-token classifier contract, vLLM with Podman, fail-closed outages, deterministic HTTP stubs, and real-model threshold calibration.

    the-main-thread.com/p/shieldst

    #Quarkus #LangChain4j #AIGuardrails #MistralAI

  2. #AI can query your DB—but can it do it correctly? That’s the hard part. @MarcoBelladelli shows how #Hibernate + #Quarkus + #LangChain4j add validation & control back. Want fewer production surprises?

    Dive in: javapro.io/2026/04/03/talk-to-

    #LLM #Java @Hibernate @QuarkusIO @langchain4j

  3. Our next #JCON2026 session is live: 'Talk to Your Data: Natural Language Data Access in #Java with #Hibernate #Quarkus and LangChain4j' with Marco Melladelli

    Explore how Hibernate ORM, Quarkus, and #LangChain4j come together to enable …

    Grab your coffee and hit play: youtu.be/tMW5jxX6DoA

  4. Oracle has released #Helidon 4.4.0, bringing some major shifts to the framework:

    • Now aligned with the OpenJDK release cadence
    • Backed by the Java Verified Portfolio
    • New agentic AI support via LangChain4j
    • Packed with enhanced core capabilities

    Dive into the full update here: bit.ly/4eaZGuS

    #Java #OpenJDK #LangChain4j #InfoQ

  5. It still amazes me how easy & fast it is to create #MCP servers in #Java with #jbang, #langchain4j and a custom skill inside #geminicli

    A handful of prompts, and less than 5 minutes later, I had created a working #Wikipedia MCP server!

    glaforge.dev/posts/2026/04/02/

  6. Psst… your forms could talk. They could remember. Validate. Help. Loïc Magnette shows how to give forms a brain using #LangChain4j + #Quarkus. It’s not a dream. It’s a pattern.

    Learn it now: javapro.io/2025/04/15/ai-power

    #AIUX #ConversationalUI #JAVAPRO #Java

  7. Oracle #GenAI models are now available in #LangChain4j. It's a small contribution from Helidon team to enable powerful #Oracle #AI platform in Java landscape and in #Helidon too 😎

    medium.com/helidon/announcemen

  8. RAG, memory, multimodality... in a form? Yep. Loïc Magnette built a talking form that can read files, validate data, and reply like a human.
    This isn’t a demo - it’s a dev-ready guide.

    Dive in: javapro.io/2025/04/15/ai-power

    #LangChain4j #Quarkus #AIUX #JAVAPRO #Java @langchain4j

  9. Build a #chatbot that can take your #coffee order!

    On May 12, Marta Tolosa & Sydney Nurse (both specialists at #Oracle) will guide a hands-on #AI workshop:
    🔸Build with #Helidon & #LangChain4J
    🔸Deploy a working #Java-based assistant

    🎟️ Just €19: 2025.europe.jcon.one/tickets
    #WorkshopDay #GenAI #JCON2025

  10. Want to go beyond #GenAI buzzwords? Build a real Java-based chat assistant in just 2 hours with Oracle experts Marta Tolosa & Sydney Nurse. Real code. Real use cases.

    Read more via JAVAPRO: javapro.io/2025/04/30/gen-ai-w

    #JCON2025 #LLM #Helidon #LangChain4J #CloudNative

  11. Excited for #JCON EUROPE 2025? See Marta Tolosa & Sydney Nurse at #JCON2025 in Cologne talking about 'Build an AI-Powered Application with #Helidon and #LangChain4J'

    In this #workshop, you will build an #AI powered chat assistant for a #coffee shop using …

    Get your free #JUG Ticket: www.jcon.one

  12. Forget next-gen #UX. This is next-human UX. Loïc Magnette turns boring forms into helpful convos - with validation, memory, even file upload.
    Your form, but smarter.

    Try the blueprint: javapro.io/2025/04/15/ai-power

    #LangChain4j #Quarkus #AIUX #ConversationalUI #Java

  13. Why should users adapt to your form… when the form can adapt to them? #AI flips the #UX script. Loïc Magnette shares how with memory, validation & RAG, forms become assistants.

    Read it here: javapro.io/2025/04/15/ai-power

    #LangChain4j #Quarkus #AIUX #ConversationalUI #Java @langchain4j

  14. 🚀 Join us on Tue, 24.09.2024 at 18:15h as we dive into the world of AI and LLMs with Lize Raes from Naboo.ai. Explore the impact of AI on Java, upcoming developments, and ways to incorporate AI into your projects for a positive influence on society. Let's shape the future of development together!

    Register here jug.ch/html/events/2024/coding

    🌍💻 #AI #LLM #Java #SoftwareDevelopment #CommunityRocks #LangChain4j #FOSS #TechCommunity #jugch''