@codervisor/devlog-mcp/build/utils/validation.js

MCP server for managing development logs and working notes

/**
 * MCP Tool validation utilities
 *
 * This module provides utilities for validating MCP tool arguments
 * using Zod schemas and generating proper error responses.
 */
/**
 * Validate tool arguments and return validated data or error result
 */
export function validateToolArgs(schema, args, toolName) {
    const result = schema.safeParse(args);
    if (result.success) {
        return { success: true, data: result.data };
    }
    const errors = result.error.errors.map(err => `${err.path.join('.')}: ${err.message}`);
    return {
        success: false,
        result: {
            content: [
                {
                    type: 'text',
                    text: `Invalid arguments for ${toolName}:\n${errors.join('\n')}`,
                },
            ],
            isError: true,
        },
    };
}
/**
 * Create a standardized error response for tool validation failures
 */
export function createValidationErrorResponse(toolName, errors) {
    return {
        content: [
            {
                type: 'text',
                text: `❌ Validation failed for ${toolName}:\n\n${errors.map(err => `• ${err}`).join('\n')}\n\nPlease check your arguments and try again.`,
            },
        ],
        isError: true,
    };
}
/**
 * Create a standardized success response
 */
export function createSuccessResponse(message) {
    return {
        content: [
            {
                type: 'text',
                text: message,
            },
        ],
    };
}
/**
 * Create a standardized error response
 */
export function createErrorResponse(message, error) {
    const errorMessage = error instanceof Error ? error.message : String(error);
    const fullMessage = error ? `${message}: ${errorMessage}` : message;
    return {
        content: [
            {
                type: 'text',
                text: `❌ ${fullMessage}`,
            },
        ],
        isError: true,
    };
}