/**
 * Shared Error Handler for MCP Tools
 *
 * Centralized error handling logic for all MCP tools.
 * Handles validation errors, GraphQL errors, and generic errors.
 */
import { CallToolResult } from '@modelcontextprotocol/sdk/types.js';
/**
 * Handle errors consistently across all MCP tools
 *
 * @param error - The error to handle
 * @param toolName - The name of the tool where the error occurred
 * @returns Standardized error response
 */
export declare function handleToolError(error: unknown, toolName: string): CallToolResult;
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