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Facts
| Fact | Atmosphere/atmosphere Portable AI agent runtime for the JVM. One @Agent class runs on Spring AI, LangChain4j, Anthropic, or 9 more behind one SPI. Token streaming, tool calls, human approvals, and governance over WebSocket, SSE, gRPC, or WebTransport/HTTP3. Speaks MCP, A2A, and AG-UI. | 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. |
|---|---|---|
| Stars | 3,833 | 13,394 |
| Net stars, last 30 days | +13 | +168 |
| Largest star day | +6 on Aug 31, 2026 | +23 on May 7, 2026 |
| Milestone reached in the record | None | None |
| Forks | 763 | 2,679 |
| Language | Java | Java |
| License | APACHE-2.0 | APACHE-2.0 |
| Created | Jun 30, 2010 | Jun 20, 2023 |
| Last push | Nov 12, 2026 | Nov 12, 2026 |
| Archived | No | No |
| Health facts: Maintenance | 2 of 4 checks (2 without data) | 4 of 4 checks |
| Health facts: Releases | 1 of 3 checks (1 without data) | 2 of 3 checks |
| Health facts: Security practice | 0 of 1 check (1 without data) | 1 of 1 check |
| Health facts: Community files | 1 of 3 checks (2 without data) | 3 of 3 checks |
| Commits, last 13 weeks | No data | 470 |
| Weeks with commits, last 52 | No data | 52 of 52 |
| In the Repository Index since | Nov 10, 2026 | Oct 22, 2026 |
Topics that all of them have on the Repository Host: java, anthropic, llm. The facts come from the Repository Host and from the Star History that AwesomeRepos records. A shared topic does not mean that one repository can replace another. Each Health Facts row is one dimension alone. AwesomeRepos does not add them into one score. How each check is defined