4.0.0 com.agentclientprotocol acp-java-sdk 0.10.0 acp-core jar ACP Core Core ACP implementation with stdio transport - zero external dependencies beyond Reactor io.projectreactor reactor-core io.modelcontextprotocol.sdk mcp-json io.modelcontextprotocol.sdk mcp-json-jackson2 com.fasterxml.jackson.core jackson-core com.fasterxml.jackson.core jackson-databind com.fasterxml.jackson.core jackson-annotations org.slf4j slf4j-api org.junit.jupiter junit-jupiter test org.assertj assertj-core test org.mockito mockito-core test ch.qos.logback logback-classic test io.projectreactor reactor-test test