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langchain4j/langchain4j
Open-source AI ToolStatus: Published — critical fields verified, some fields unverified
langchain4j/langchain4j: 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.
- 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.
Risk
No known risk within the verified fields.
12
All fields
7
Verified
0
Verified empty
5
Unverified
Open-source AI Tool details
Repository
| Repository | https://github.com/langchain4j/langchain4j |
| Ecosystem | github |
| Package | langchain4j/langchain4j |
| Publisher | langchain4j |
| License | Apache-2.0 |
| Latest release | UNKNOWN |
| Status | ACTIVE |
| Homepage | https://docs.langchain4j.dev |
| Documentation | UNKNOWN |
Runtime
| Platforms | UNKNOWN |
| Runtime requirements | UNKNOWN |
| Installation | UNKNOWN |
Critical Evidence
| Field | Status | Last checked / observed / Freshness | Confidence | Evidence |
|---|---|---|---|---|
| Pricing | UNKNOWN | Not obtained | Not obtained | 0 |
| Availability | UNKNOWN | Not obtained | Not obtained | 0 |
| Language | UNKNOWN | Not obtained | Not obtained | 0 |
| Integration | UNKNOWN | Not obtained | Not obtained | 0 |
| Deployment | UNKNOWN | Not obtained | Not obtained | 0 |
| Commercial use | Verified | 2026-10-03 | Not obtained | 1 |
Functional Evidence
| Field | Status | Last checked / observed / Freshness | Confidence | Evidence |
|---|---|---|---|---|
| Capability | UNKNOWN | Not obtained | Not obtained | 0 |
| Automation behavior | UNKNOWN | Not obtained | Not obtained | 0 |
| Input | UNKNOWN | Not obtained | Not obtained | 0 |
| Output | UNKNOWN | Not obtained | Not obtained | 0 |
Change history
- 2026-10-03 Published (some fields unverified)
Registered metadata
| archived | ACTIVE |
| canonical_repository | https://github.com/langchain4j/langchain4j |
| documentation_url | UNKNOWN |
| entity_kind | OPEN_SOURCE_AI_TOOL |
| homepage_url | https://docs.langchain4j.dev |
| installation | None |
| latest_release | UNKNOWN |
| license | Apache-2.0 |
| package_ecosystem | github |
| package_identifier | langchain4j/langchain4j |
| platforms | None |
| publisher | langchain4j |
| runtime_requirements | None |
Field verification (12 fields)
| Field | Status | Confidence | Value | Last checked / observed | Evidence |
|---|---|---|---|---|---|
| archived | ✓ Verified | Not obtained | ACTIVE | 2026-10-03 | |
| canonical_repository | ✓ Verified | Not obtained | https://github.com/langchain4j/langchain4j | 2026-10-03 | |
| documentation_url | ? Unverified | Not obtained | UNKNOWN | 2026-10-03 | No evidence |
| homepage_url | ✓ Verified | Not obtained | https://docs.langchain4j.dev | 2026-10-03 | |
| installation | ? Unverified | Not obtained | None | 2026-10-03 | No evidence |
| latest_release | ? Unverified | Not obtained | UNKNOWN | 2026-10-03 | No evidence |
| license | ✓ Verified | Not obtained | Apache-2.0 | 2026-10-03 | |
| package_ecosystem | ✓ Verified | Not obtained | github | 2026-10-03 | |
| package_identifier | ✓ Verified | Not obtained | langchain4j/langchain4j | 2026-10-03 | |
| platforms | ? Unverified | Not obtained | None | 2026-10-03 | No evidence |
| publisher | ✓ Verified | Not obtained | langchain4j | 2026-10-03 | |
| runtime_requirements | ? Unverified | Not obtained | None | 2026-10-03 | No evidence |