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-
Build real-time communication for AI agents, allowing them to interact over various protocols.
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Free · no card · unsubscribe anytimePortable 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-
atmosphere has 3.8k stars on GitHub. It has been forked 760 times. atmosphere is written mainly in Java. It has been in active development since 2010. atmosphere is available under the Apache-2.0 license. Its main topics are a2a, acp, agentic-ai, ai-agents.
What is 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-
Is atmosphere open source?
atmosphere is an open-source project. It is released under the Apache-2.0 license.
Is atmosphere free?
Yes. atmosphere is free and open source — you can use, modify and self-host it.
What license does atmosphere use?
atmosphere is available under the Apache-2.0 license.
What language is atmosphere written in?
atmosphere is written mainly in Java.
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