import { z } from "zod";
import { PathService } from "../services/PathService.js";
import { FileService } from "../services/FileService.js";
import { McpToolResponse, ExtensionInfo } from "../types/index.js";
export function createExtensionsTools(pathService: PathService, fileService: FileService) {
return {
list_extensions: {
description: "List all installed VS Code extensions",
schema: {
category: z
.string()
.optional()
.describe("Optional category filter (e.g., 'Themes', 'Languages', 'Debuggers')"),
},
handler: async (args: { category?: string | undefined }): Promise<McpToolResponse> => {
try {
const { category } = args;
const extensionsPath = pathService.getExtensionsPath();
if (!(await fileService.directoryExists(extensionsPath))) {
return {
content: [
{
type: "text",
text: `Extensions directory not found: ${extensionsPath}`,
},
],
};
}
const extensions = await fileService.readDirectory(extensionsPath);
const extensionList: ExtensionInfo[] = [];
for (const extensionDir of extensions) {
try {
const extensionPath = `${extensionsPath}/${extensionDir}`;
const packageJsonPath = `${extensionPath}/package.json`;
const packageJson = await fileService.readJsonFile(packageJsonPath);
if (packageJson) {
const extensionCategories = packageJson.categories || [];
if (!category || extensionCategories.includes(category)) {
extensionList.push({
name: packageJson.name || extensionDir,
displayName: packageJson.displayName || packageJson.name || extensionDir,
publisher: packageJson.publisher || "unknown",
version: packageJson.version || "unknown",
description: packageJson.description || "No description",
categories: extensionCategories,
});
}
}
} catch {
// Skip extensions that can't be read
continue;
}
}
return {
content: [
{
type: "text",
text: `Found ${extensionList.length} extension(s):\n${JSON.stringify(extensionList, null, 2)}`,
},
],
};
} catch (error) {
return {
content: [
{
type: "text",
text: `Error listing extensions: ${(error as Error).message}`,
},
],
};
}
},
},
};
}
