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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.

$ git clone https://github.com/Atmosphere/atmosphere.git
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Apache-2.0
Created
Jun 30, 2010
16.4 years old
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Nov 13, 2026
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