ThoughtMCP

/** * Logger utility for ThoughtMCP * * Writes to stderr to avoid interfering with MCP protocol on stdout. * Simple implementation without external dependencies. */ /** * Format arguments for logging */ function formatArgs(...args: unknown[]): string { return args .map((arg) => { if (arg instanceof Error) { return arg.stack ?? arg.message; } if (typeof arg === "object") { try { return JSON.stringify(arg, null, 2); } catch { return String(arg); } } return String(arg); }) .join(" "); } /** * Logger class with methods for different log levels */ export class Logger { /** * Log error messages to stderr */ static error(...args: unknown[]): void { const message = formatArgs(...args); process.stderr.write(`${message}\n`); } /** * Log info messages to stderr */ static info(...args: unknown[]): void { const message = formatArgs(...args); process.stderr.write(`${message}\n`); } /** * Log warning messages to stderr */ static warn(...args: unknown[]): void { const message = formatArgs(...args); process.stderr.write(`${message}\n`); } /** * Log debug messages to stderr (only in development) */ static debug(...args: unknown[]): void { if (process.env.NODE_ENV === "production") { return; } const message = formatArgs(...args); process.stderr.write(`${message}\n`); } /** * Log general messages to stderr */ static log(...args: unknown[]): void { const message = formatArgs(...args); process.stderr.write(`${message}\n`); } }