/**
* VS Code MCP client configuration handler
* Note: VS Code uses workspace-level configuration in .vscode/mcp.json
*/
import * as fs from 'fs';
import * as path from 'path';
import { ClientHandler, ClientConfig } from './types.js';
export class VSCodeHandler implements ClientHandler {
name = 'VS Code';
id = 'vscode';
getConfigPath(): string | null {
// VS Code uses workspace-level config at .vscode/mcp.json
// We use the current working directory as the workspace
return path.join(process.cwd(), '.vscode', 'mcp.json');
}
isInstalled(): boolean {
// VS Code is considered "installed" if we're in a directory with .vscode
// or if the user wants to create the config
// For the wizard, we'll always show VS Code as an option
return true;
}
readConfig(): ClientConfig | null {
const configPath = this.getConfigPath();
if (!configPath || !fs.existsSync(configPath)) {
return null;
}
try {
const content = fs.readFileSync(configPath, 'utf-8');
return JSON.parse(content) as ClientConfig;
} catch {
return null;
}
}
writeConfig(config: ClientConfig): void {
const configPath = this.getConfigPath();
if (!configPath) {
throw new Error('Could not determine VS Code config path');
}
// Ensure .vscode directory exists
const configDir = path.dirname(configPath);
if (!fs.existsSync(configDir)) {
fs.mkdirSync(configDir, { recursive: true });
}
// Backup existing config if it exists
if (fs.existsSync(configPath)) {
const backupPath = `${configPath}.backup`;
fs.copyFileSync(configPath, backupPath);
}
// Write with restrictive permissions (user-only readable/writable)
fs.writeFileSync(configPath, JSON.stringify(config, null, 2), { mode: 0o600 });
}
getConfigKey(): 'mcpServers' | 'servers' {
// VS Code uses 'servers' instead of 'mcpServers'
return 'servers';
}
}
