Server has well-structured schemas with proper types and constraints (min/max on integers, enums for privacy_status and order). Descriptions are present and reasonably detailed (avg ~120 chars). However, parameter descriptions lack actionable guidance on format/constraints (e.g., 'ISO 8601 formatted date' stated but no validation hints). Output schemas are not documented, responses are inferred from code but not formally specified. Error handling returns generic success/error dicts without recovery guidance. Tool composition is sound (6 focused tools, clear verb-noun naming), but destructive operations (delete_video) lack confirmation patterns.

• Document output schemas for all tools. Specify that list_my_videos returns {success: bool, videos: {items: [{id, title, description, ...}], nextPageToken?, prevPageToken?}, video_count: int, has_next_page: bool}. LLMs need to know field names and types to chain calls.
• Add confirmation pattern to delete_video: return {confirmed: false, message: 'Are you sure you want to delete video {video_id}? This cannot be undone.'} and require a separate confirm_delete_video(video_id, confirmation_token) call.
• Enhance error responses with categorization and recovery hints. Instead of {success: false, error: 'Invalid video_id'}, return {success: false, error_code: 'NOT_FOUND', error_message: 'Video not found', recovery: 'Try search_videos() to find the correct video ID', retryable: false}.
• Add format constraints to date parameters. Update published_after/published_before descriptions: 'ISO 8601 UTC datetime (e.g., 2023-01-15T00:00:00Z). Must be a valid RFC 3339 timestamp.'
• Document set_video_thumbnail constraints: 'Accepted formats: JPEG, PNG. Max file size: 2 MB. Recommended resolution: 1280x720 px. File must be readable from the provided path.'

Inferred effective spec: <=2025-11-25.

• Relies on Logging (deprecated) - log to stderr or use OpenTelemetry