mcp-ai-agent-guidelines/dist/tools/shared/logger.js

A comprehensive Model Context Protocol server providing advanced tools, resources, and prompts for implementing AI agent best practices

/**
 * Structured logging utility for production code
 * Provides consistent, queryable log output for monitoring and debugging
 */
/**
 * Structured logger that outputs JSON-formatted log messages
 * for improved monitoring and debuggability in production
 */
class Logger {
    /**
     * Log a warning message with optional context
     */
    warn(message, context) {
        this.log("warn", message, context);
    }
    /**
     * Log an error message with optional context
     */
    error(message, context) {
        this.log("error", message, context);
    }
    /**
     * Log an info message with optional context
     */
    info(message, context) {
        this.log("info", message, context);
    }
    /**
     * Log a debug message with optional context
     */
    debug(message, context) {
        this.log("debug", message, context);
    }
    /**
     * Internal logging method that outputs structured JSON
     */
    log(level, message, context) {
        const logEntry = {
            timestamp: new Date().toISOString(),
            level,
            message,
            ...(context && { context }),
        };
        // Output to stderr for warn/error, stdout for info/debug
        const output = level === "warn" || level === "error" ? console.error : console.log;
        output(JSON.stringify(logEntry));
    }
}
/**
 * Singleton logger instance
 */
export const logger = new Logger();
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