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Quarkus LangChain4j

Quarkus extensions that connect LangChain4j to Quarkus apps, with declarative AI services and LLM, tool and embedding support.

Harness by Quarkiverse

IndexedApache-2.0★ 326
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About

Quarkus LangChain4j is a set of Quarkus extensions that connect LangChain4j to Quarkus applications. Developers can define declarative AI services and use LLMs such as OpenAI GPT models, Hugging Face and Ollama, with tool support and embedding support. The extensions also cover document stores such as Redis and Chroma, native compilation, Quarkus observability, and pluggable auth providers.

Use cases: backend-development, knowledge-base

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Fact sheet

Languages
JavaREADME
Packages
io.quarkiverse.langchain4j:quarkus-langchain4j-core (maven), io.quarkiverse.langchain4j:quarkus-langchain4j-openai (maven), io.quarkiverse.langchain4j:quarkus-langchain4j-ollama (maven)README
Model providers
openai, huggingface, ollamaREADME
Maturity
Stablegithub.com

Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026. Wrong fact? Tell us.

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    Signals

    Stars
    326
    Forks
    258
    Open issues
    189
    Last commit
    Oct 23, 2026 (7 days ago)
    Last release
    Oct 15, 2026 (15 days ago)

    From GitHub (fetched Oct 24, 2026).

    Details

    Packages
    maven io.quarkiverse.langchain4j:quarkus-langchain4j-coremaven io.quarkiverse.langchain4j:quarkus-langchain4j-openaimaven io.quarkiverse.langchain4j:quarkus-langchain4j-ollama
    License
    Apache-2.0
    First seen
    Oct 24, 2026
    Last checked
    Oct 24, 2026

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    Cite this page

    Quarkus LangChain4j. Agent Mart. https://agentmart.dev/harnesses/quarkus-langchain4j (last updated 2026-10-24)