The server defines a single tool 'addTwoNumbers' with a basic but incomplete definition. The tool has a short description (31 characters) and minimal parameter documentation. The input schema is visible but parameters lack sufficient context for LLM decision-making. No output schema is documented. The naming is moderately clear but lacks the action-verb convention preferred for LLM parsing. Overall, this is a tutorial-grade implementation with significant gaps in definition quality compared to production baselines.

• Expand tool description to 50-150 characters explaining what the tool does, when to use it, and what it returns. Example: 'Adds two numbers together and returns their sum. Use when the user requests arithmetic addition. Returns a single numeric result.'
• Document the output schema explicitly. Specify that the result is a number, and whether it can be negative, fractional, or has precision limits.
• Add range constraints to parameters. Clarify acceptable numeric ranges (e.g., 'num1: A number between -1e10 and 1e10') to guide LLM input.
• Enhance parameter descriptions with context. Change 'First number' to 'The first numeric operand to add. Accepts integers and decimals.'
• Rename tool to 'add_two_numbers' following verb_noun convention for consistency with the 54-pattern baseline.
• Document error cases: 'If inputs are non-numeric, returns an error. If result exceeds numeric bounds, returns overflow error with guidance to use a different tool.'