4.0.0 io.modelcontextprotocol.sdk mcp-parent 0.15.0 mcp-json jar Java MCP SDK JSON Support Java MCP SDK JSON Support API https://github.com/modelcontextprotocol/java-sdk https://github.com/modelcontextprotocol/java-sdk git://github.com/modelcontextprotocol/java-sdk.git git@github.com/modelcontextprotocol/java-sdk.git org.apache.maven.plugins maven-jar-plugin true