/**
* Cursor IDE MCP client configuration handler
*/
import * as fs from 'fs';
import * as path from 'path';
import * as os from 'os';
import { ClientHandler, ClientConfig } from './types.js';
export class CursorHandler implements ClientHandler {
name = 'Cursor';
id = 'cursor';
getConfigPath(): string | null {
// Cursor uses ~/.cursor/mcp.json globally
return path.join(os.homedir(), '.cursor', 'mcp.json');
}
isInstalled(): boolean {
// Check if .cursor directory exists (indicates Cursor is/was installed)
const cursorDir = path.join(os.homedir(), '.cursor');
return fs.existsSync(cursorDir);
}
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 Cursor config path');
}
// Ensure 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' {
return 'mcpServers';
}
}
