This server has critical definition quality gaps across all three tools. The source code provided is truncated, preventing full verification of schema completeness. Resource definitions are present but incomplete. Error handling is absent, no guidance on retryability, user-fixable errors, or recovery paths.

• Expand all tool descriptions to 80 - 200 characters. Example: 'create_products: Creates a new product in the database. Requires a category_id that must exist. Returns product_id, name, and price. Fails if name is duplicate.' This tells LLMs what, when, and what's returned.
• Add explicit parameter descriptions for every input. Example for 'password_hash': 'Password hash (bcrypt format, min 60 chars). SECURITY: Pass hashed password only; never pass plaintext.' Make constraints machine-readable: {type: string, minLength: 60, pattern: '^\$2[aby]\$'}
• Document output schemas for all tools. Example: create_products returns {product_id: int, name: string, price: float, category_id: int, created_at: ISO8601}. This enables downstream tool chaining.
• Refactor delete_products to accept product_id (not name) and require explicit confirmation. Add a dry_run parameter to preview what would be deleted. Example: delete_products(product_id: int, dry_run: bool = true, confirmed: bool = false). If confirmed=false, return a 'confirmation_needed' error with the product details.
• Move password handling server-side. Accept plaintext password or a password reset token, hash internally using bcrypt with cost 12+, never expose the hash to the LLM or logs. Or better: remove password management entirely and use OAuth/OIDC.
• Add error handling guidance to descriptions. Example: 'create_users: Fails if username or email already exists (try search_users(email=...) first), or if state is invalid. Returns clear error with available suggestions.'