/**
 * MCP adapter for RecCall core engine
 * Supports both stdio (Cursor) and HTTP (Perplexity/Sora) transports
 */
import { Server } from "@modelcontextprotocol/sdk/server/index.js";
import { type Express } from "express";
import type { ContextEngine } from "../../core/context-engine.js";
import type { ICoreEngine } from "../../core/interfaces.js";
export interface MCPStartOptions {
    stdio?: boolean;
    http?: {
        port?: number;
        expressApp?: Express;
    } | false;
}
export declare class MCPAdapter {
    private engine;
    private contextEngine?;
    private server;
    private toolsCache;
    private cacheTimestamp;
    private readonly CACHE_TTL;
    private stdioTransport?;
    private httpServer?;
    private httpServerInstance?;
    /**
     * Get the underlying MCP Server instance (for testing)
     */
    getServer(): Server;
    constructor(engine: ICoreEngine, contextEngine?: ContextEngine);
    initialize(): Promise<void>;
    /**
     * Setup handlers on a server instance (used for both stdio and HTTP servers)
     */
    private setupHandlersOnServer;
    private setupHandlers;
    /**
     * Setup handlers on a specific server instance
     * This allows us to have separate server instances for stdio and HTTP
     */
    private setupHandlersForServer;
    /**
     * Start MCP server with specified transport(s)
     * @param options Transport configuration options
     */
    start(options?: MCPStartOptions): Promise<void>;
    /**
     * Stop all transports and clean up
     */
    stop(): Promise<void>;
    /**
     * Get HTTP server port (if HTTP transport is active)
     */
    getHttpPort(): number | undefined;
}
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