Two tools with basic schemas and descriptions, but significant gaps in parameter documentation and error handling. Tool names follow verb_noun convention (create-user, create-random-user), which is good. However, parameter descriptions are completely absent, the schema shows types (string) but no guidance on format, constraints, or purpose. The create-random-user tool lacks input parameters entirely, making its schema incomplete. Error handling is minimal: generic 'Failed to save user' and 'Failed to generate user data' messages provide no recovery guidance. Tool annotations (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) are present but descriptions are under 50 characters, below the 50-200 char baseline for LLM-optimized descriptions. No output schema documentation. Sampling usage (deprecated pattern) is present but not penalized per spec rules.

• Add parameter descriptions to create-user: 'name (string, 1-100 chars): Full name of the user. email (string, valid RFC 5322 format): User email address. address (string, 1-500 chars): Physical address. phone (string, E.164 format or local): Contact phone number.'
• Document output schema: 'Returns {content: [{type: "text", text: string}]} where text contains 'User {id} created successfully' on success or error message on failure. Include the created user_id in the response so downstream tools can reference it.'
• Replace generic error messages with actionable guidance: 'Failed to save user: email already exists. Try create-random-user to generate a unique user, or provide a different email.' Include the invalid field and constraint violated.
• Expand tool descriptions to 80-150 characters: 'create-user: Create a new user record with name, email, address, and phone. Use when you have user details from the user or another source. Returns the new user ID.' 'create-random-user: Generate a realistic fake user with random name, email, address, and phone using LLM sampling. Use when you need test data without user input.'
• Add idempotency guidance: Document whether repeated calls with the same email create duplicates or return the existing user. If duplicates are created, add a check_user_exists tool or modify create-user to return existing user on duplicate email.

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

• Relies on Sampling (deprecated) - integrate directly with the LLM provider API