Program.cs

using ModelContextProtocol.Protocol;
using ModelContextProtocol.Server;
using SharpCliMcp.Tools;

Console.Error.WriteLine("[SharpCliMcp] Starting...");
await StartServer();

static async Task StartServer()
{
    var transport = new StdioServerTransport("SharpCliMcp");
    var options = new McpServerOptions
    {
        ServerInfo = new Implementation { Name = "SharpCliMcp", Version = "1.0.0" },
        Capabilities = new ServerCapabilities { Tools = new() },
        ToolCollection =
        [
            McpServerTool.Create(
                async (string[] commands,
                       string? workingDirectory = null,
                       int? timeoutMs = null) =>
                    await CliTool.ExecuteAsync(commands, workingDirectory, timeoutMs),
                new McpServerToolCreateOptions
                {
                    Name = "execute_command",
                    Title = "Execute CLI command",
                    Description = "Execute one or more CLI commands via CliWrap. " +
                        "Use pipe (|) between commands to chain them natively. " +
                        "Multiple commands in the array run sequentially. " +
                        "⚠️ Does NOT support interactive processes (ssh, REPL, vim, less, top). " +
                        "Returns stdout, stderr, and exit code for each command or pipeline.",
                }),
            McpServerTool.Create(
                async (string command) =>
                    await CliTool.FindExecutableAsync(command),
                new McpServerToolCreateOptions
                {
                    Name = "which",
                    Title = "Locate executable",
                    Description = "Find the full path of an executable via PATH. " +
                        "Uses where (Windows) or which (Unix). " +
                        "Useful for checking if a tool is available before running it.",
                }),
        ],
    };

    await using var server = McpServer.Create(transport, options);
    Console.Error.WriteLine("[SharpCliMcp] Ready. Use tools 'execute_command' and 'which'.");
    await server.RunAsync();
}