Scoring was not performed

• Add output schema documentation for every tool. For send-email, document that it returns {success: boolean, message_id: string, sent_at: ISO8601}. For list-templates, document {templates: [{id, name, subject, category}], total: number, has_more: boolean}.
• Expand tool descriptions to 100-200 characters. Instead of 'Create a new email template', write: 'Create a new reusable email template with subject and HTML/text body. Templates can be retrieved and updated separately. Use this to build a library of campaign templates for send-email.',
• Add parameter constraints to descriptions. For 'category', write: 'Email category tag for tracking/filtering (free-form string, max 50 chars). Common values: newsletter, transactional, marketing.'
• Implement error guidance in tool handlers. For send-email API failures, catch errors and return: {error: 'Invalid recipient: user@invalid is not a valid email. Valid formats: name@domain.com'}. For auth failures, return: 'Mailtrap API key missing or invalid. Check MAILTRAP_API_KEY environment variable.'
• Add dry-run parameter to destructive operations. delete-template should accept confirm: boolean, defaulting to false, returning {would_delete: {id, name}} without actually deleting. Require confirm=true to execute.
• Clarify send-sandbox-email 'to' parameter. Either change schema to accept array of emails matching send-email, or document the exact comma-separated format and parsing rules.
• Document pagination caps. Add to get-sandbox-messages description: 'Returns up to 50 messages per page. Use page parameter to fetch subsequent pages. Returns total_count and has_next for pagination control.'