Server has 30 well-named tools with consistent verb_noun patterns (list_, get_, print_, cancel_, etc.). All tools have descriptions (avg ~80 chars, within baseline 34-392). Input schemas are present and properly typed with JSON Schema. However, parameter descriptions are sparse or missing context; many lack guidance on constraints, formats, or when to use related tools. Output schemas are not documented, LLMs cannot predict response structure. Error handling is basic (ErrorResult calls) without recovery guidance or categorization. Tool annotations (readOnlyHint) are present on read-only tools, which is good. Composition is sound: tools are single-responsibility, names are clear and distinct. Security checks (printer filtering, path validation) are implemented. Overall: solid foundation with gaps in parameter documentation and output schema clarity.

• Document output schemas for all tools. For list_printers, specify: returns array of {name: string, status: string, type: string, category?: string}. For get_printer_details, specify all returned fields (capabilities, paper_sizes, etc.).
• Enhance parameter descriptions with format and constraint guidance. E.g., 'printer_name (string, case-insensitive, must exist in list_printers output)' and 'job_id (string, format: UUID or system job ID)'.
• Add recovery guidance to error messages. E.g., ErrorResult('Printer %q not found. Available printers: %s', name, strings.Join(available, ', ')).
• Implement pagination on list_printers, get_print_queue, get_print_history with limit (default 20, max 100) and offset/cursor parameters. Return total_count in response.
• Add confirmation step for destructive operations: purge_print_queue and remove_printer should return a confirmation_required result with a confirm_id, requiring a second call with that ID to execute.

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

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