The server defines 6 tools with basic structure, but significant gaps in schema completeness, parameter documentation, and error handling guidance. Tool names follow verb_noun convention (get_*, add_*) which is good. However, most parameter descriptions are minimal (10-30 chars), and output schemas are not explicitly documented. The codebase shows authentication is handled server-side (good security practice), but tools lack details on when they fail, what errors to expect, and how to recover. This is a community-grade server with working tools but production-gap deficiencies.

• Add explicit output schema documentation to each tool. In the docstring or tool definition, declare the response structure: e.g., 'Returns: {"id": string, "name": string, "email": string, "avatar_url": string, "username": string}' for get_user_profile. This enables LLMs to plan chaining calls.
• Enrich parameter descriptions. Replace 'The ID of the wishlist' with 'The ID of the wishlist (obtain from get_wishlists()). Format: 36-character UUID.' This reduces discovery friction and guides multi-step planning.
• Add error recovery guidance. For each tool, document likely failures and recovery paths: 'Fails if wishlist_id is invalid or user lacks access. Error will be a 404 or 403. If 404, call get_wishlists() to verify the wishlist exists and try again.'
• Add state-change language to add_wishlist_item. Update docstring: 'Adds a new item to the specified wishlist. This creates a permanent record; there is no dry-run mode. If you add a duplicate item, both entries are created. Call get_wishlist_items() afterward to verify.'
• Specify pagination termination. For get_wishlists and get_wishlist_items, document the response: 'Returns: {"data": [...], "total_count": int, "has_more": bool}' or 'Returns empty list when cursor exceeds available items.' This lets agents know when to stop pagination loops.
• Clarify tool distinctions. Document the relationship between get_wishlists (list view, summary) and get_wishlist_details (single-wishlist detail view). Specify which fields each returns and when to prefer each.

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

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