import { z } from "zod";

import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";

import { execDocker, errorResponse } from "../utils/docker-api.js";

const inputSchema = {

containerId: z.string().min(1).describe("Container name or ID"),

};

export function register(server: McpServer): void {

server.tool(

"docker_diff",

"Inspect filesystem changes in a container (added, changed, deleted files)",

inputSchema,

async (args) => {

try {

const output = await execDocker(["diff", args.containerId]);

return { content: [{ type: "text" as const, text: output.trim() || "No filesystem changes detected" }] };

} catch (error) {

return errorResponse(error);

}

},

);

}