import { Client } from "@modelcontextprotocol/sdk/client/index.js";
import { DynamicStructuredTool } from "@langchain/core/tools";
import { type LoadMcpToolsOptions } from "./types.js";
/**
 * Custom error class for tool exceptions
 */
export declare class ToolException extends Error {
    constructor(message: string);
}
export declare function isToolException(error: unknown): error is ToolException;
/**
 * Load all tools from an MCP client.
 *
 * @param serverName - The name of the server to load tools from
 * @param client - The MCP client
 * @returns A list of LangChain tools
 */
export declare function loadMcpTools(serverName: string, client: Client, options?: LoadMcpToolsOptions): Promise<DynamicStructuredTool[]>;