OODA Computer Control

import fs from 'fs'; import path from 'path'; import os from 'os'; export interface Config { storage: { type: 'sqlite' | 'json'; path: string; }; cliPolicy: { mode: 'allow-all' | 'restricted'; extraBlockedPatterns: string[]; timeoutMs: number; }; crud: { defaultLimit: number; }; fileReading: { maxLines: number; // Truncate read_file at this many lines (default: 500) warnAtLines: number; // Show warning when file exceeds this (default: 100) }; cliOutput: { maxOutputChars: number; // Truncate CLI output at this many characters (default: 50000) warnAtChars: number; // Show warning when output exceeds this (default: 10000) truncateMode: 'head' | 'tail' | 'both'; // Where to keep content when truncating }; } const DEFAULT_CONFIG: Config = { storage: { type: 'sqlite', path: '~/.mcp/workspace.db', }, cliPolicy: { mode: 'allow-all', extraBlockedPatterns: [], timeoutMs: 30000, }, crud: { defaultLimit: 1000, }, fileReading: { maxLines: 500, warnAtLines: 100, }, cliOutput: { maxOutputChars: 50000, // ~50KB, roughly 10-15k tokens warnAtChars: 10000, truncateMode: 'both', // Keep head and tail for context }, }; export function loadConfig(): Config { const homeDir = os.homedir(); const configPath = path.join(homeDir, '.mcp', 'config.json'); try { if (fs.existsSync(configPath)) { const fileContent = fs.readFileSync(configPath, 'utf-8'); const userConfig = JSON.parse(fileContent); // Deep merge with defaults (simplified) return { storage: { ...DEFAULT_CONFIG.storage, ...userConfig.storage }, cliPolicy: { ...DEFAULT_CONFIG.cliPolicy, ...userConfig.cliPolicy }, crud: { ...DEFAULT_CONFIG.crud, ...userConfig.crud }, fileReading: { ...DEFAULT_CONFIG.fileReading, ...userConfig.fileReading }, cliOutput: { ...DEFAULT_CONFIG.cliOutput, ...userConfig.cliOutput }, }; } } catch (error) { console.error('Failed to load config, using defaults:', error); } return DEFAULT_CONFIG; } export function expandHome(filePath: string): string { if (filePath.startsWith('~')) { return path.join(os.homedir(), filePath.slice(1)); } return filePath; } /** * Get the path to the config file */ export function getConfigPath(): string { return path.join(os.homedir(), '.mcp', 'config.json'); } /** * Save the entire config to disk */ export function saveConfig(config: Config): void { const configPath = getConfigPath(); const configDir = path.dirname(configPath); // Ensure directory exists if (!fs.existsSync(configDir)) { fs.mkdirSync(configDir, { recursive: true }); } fs.writeFileSync(configPath, JSON.stringify(config, null, 2), 'utf-8'); } /** * Update a specific config value using dot notation path * @param keyPath - Dot-notation path like "cliPolicy.timeoutMs" * @param value - New value to set * @returns Updated config */ export function updateConfigValue(keyPath: string, value: any): Config { const config = loadConfig(); const keys = keyPath.split('.'); // Navigate to the nested property and set it let current: any = config; for (let i = 0; i < keys.length - 1; i++) { if (current[keys[i]] === undefined) { throw new Error(`Invalid config path: ${keyPath}`); } current = current[keys[i]]; } const lastKey = keys[keys.length - 1]; if (current[lastKey] === undefined) { throw new Error(`Invalid config path: ${keyPath}`); } current[lastKey] = value; saveConfig(config); return config; } /** * Get the default config for reference */ export function getDefaultConfig(): Config { return { ...DEFAULT_CONFIG }; }