import { Client } from '@modelcontextprotocol/sdk/client/index.js';
import type { JSONSchema7 } from 'json-schema';
import { DynamicStructuredTool, type DynamicStructuredToolInput } from '@langchain/core/tools';
import { type IDataObject, type Result } from 'n8n-workflow';
import { z } from 'zod';
declare type McpTool = {
    name: string;
    description?: string;
    inputSchema: JSONSchema7;
};
export declare function getAllTools(client: Client, cursor?: string): Promise<McpTool[]>;
export declare const getErrorDescriptionFromToolCall: (result: unknown) => string | undefined;
export declare const createCallTool: (name: string, client: Client, onError: (error: string | undefined) => void) => (args: IDataObject) => Promise<void | {} | null>;
export declare function mcpToolToDynamicTool(tool: McpTool, onCallTool: DynamicStructuredToolInput['func']): DynamicStructuredTool<z.ZodTypeAny, any, any, any>;
declare type ConnectMcpClientError = {
    type: 'invalid_url';
    error: Error;
} | {
    type: 'connection';
    error: Error;
};
export declare function connectMcpClient({ headers, sseEndpoint, name, version, }: {
    sseEndpoint: string;
    headers?: Record<string, string>;
    name: string;
    version: number;
}): Promise<Result<Client, ConnectMcpClientError>>;
export declare function convertJsonSchemaToZod<T extends z.ZodTypeAny = z.ZodTypeAny>(schema: JSONSchema7): T;
export {};