Time MCP Server is a minimal MCP server implemented in .NET that exposes a single tool: GetCurrentUtcTime, which returns the current UTC date and time formatted as RFC 3339. It is designed to work with MCP-compatible clients such as Claude Desktop and requires .NET 9.0 or later. Run with dotnet run, and configure Claude Desktop by adding a time-server entry to the claude desktop config files on Windows or macOS that points to the TimeMcpServer.csproj. The README provides Windows and macOS configuration examples, showing how to invoke dotnet run with the TimeMcpServer.csproj. The repository includes CI/CD workflows (Build & Test and Publish) that publish a NuGet package, publish the server to the MCP Registry, and create GitHub releases when version tags are pushed. The MCP Registry entry is described under the Model Context Protocol Registry, with server.json describing the server per the MCP Registry specification.