Tool profile

langchain4j/langchain4j

stable

LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.

anthropicchatgptchromaembeddingsgeminigpthuggingfacejava

Velocity score

2.31/ 10

[STARS]

12k

[FORKS]

2.2k

[CONTRIBUTORS]

399

[LAST_COMMIT]

2d ago

OPEN_ON_GITHUB

30-day stars

2.31/ 10 score

last 36d

[SIGNAL_TRACE / 36_PT]

Score breakdown

798/ 1000

local-llm · langchain4j/langchain4j

Velocity50%

Adoption30%

Maintenance15%

Community5%

[CODE_GROWTH]

994

[INSTALL_VEL]

500

[ACTIVITY]

672

[COMMUNITY_SIGNAL]

1000

Terminal score: 0–1000 raw, weighted across 4 dimensions. Public score: 0–10 normalized (shown in the 30-day stars chart above).