@alcyone-labs/simple-mcp-logger/dist/adapters/winston.d.ts

Logging solution for MCP servers. Prevents console output from corrupting MCP protocol communication. Drop-in replacement for console, Winston, and Pino with automatic STDOUT suppression in MCP mode.

import { Logger, LogLevel } from '../SimpleMcpLogger.js';
import TransportStream = require('winston-transport');
interface TransportStreamOptions {
    level?: string;
    silent?: boolean;
    handleExceptions?: boolean;
    handleRejections?: boolean;
    [key: string]: any;
}
/**
 * Winston transport that uses SimpleMcpLogger as the underlying logger
 */
export declare class SimpleMcpWinstonTransport extends TransportStream {
    private logger;
    private options;
    constructor(options?: TransportStreamOptions & {
        mcpMode?: boolean;
        prefix?: string;
        logToFile?: string;
    });
    /**
     * Emit method for Winston compatibility
     */
    emit(event: string, ...args: any[]): boolean;
    /**
     * Map Winston log levels to SimpleMcpLogger levels
     */
    private mapWinstonLevelToMcp;
    /**
     * Log method called by Winston
     */
    log(info: any, callback?: () => void): void;
    /**
     * Set MCP mode
     */
    setMcpMode(enabled: boolean): void;
    /**
     * Set log level
     */
    setLevel(level: LogLevel): void;
    /**
     * Set prefix
     */
    setPrefix(prefix: string): void;
    /**
     * Create child logger
     */
    child(prefix: string): SimpleMcpWinstonTransport;
    /**
     * Get the underlying SimpleMcpLogger instance
     */
    getLogger(): Logger;
    /**
     * Set log file path
     */
    setLogFile(filePath: string): Promise<void>;
    /**
     * Close file stream
     */
    close(): Promise<void>;
}
/**
 * Factory function to create Winston transport
 */
export declare function createWinstonTransport(options?: TransportStreamOptions & {
    mcpMode?: boolean;
    prefix?: string;
    logToFile?: string;
}): SimpleMcpWinstonTransport;
export {};
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