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Single tool with critical definition gaps. Tool name 'generateUuid' lacks action verb prefix (should be 'generate_uuid' or 'create_uuid'). Description is adequate (73 chars, within 10-1024 range) but generic. Input schema is empty object with no parameters, technically valid but provides zero guidance. No output schema documented. No error handling guidance. No parameter descriptions (none exist). Tool does not follow verb_noun naming convention. Fails multiple baseline checks: 90% of A+ tools start with action verb; 100% of A+ tools have documented return types; 100% of A+ tool params have descriptions (though this tool has zero params, the absence of output schema is critical).
Generate a UUID v7 that's timestamp-based and guaranteed to be unique
Tool name does not follow verb_noun convention. 'generateUuid' uses camelCase; should be 'generate_uuid' or 'create_uuid' with snake_case. LLMs parse tool names to infer intent, inconsistent naming reduces discoverability.
No output schema documented. Tool returns text UUID but LLMs cannot plan downstream operations without knowing the response structure. Must document: returns {type: 'text', text: '<uuid-v7-string>'}.
Empty input schema provides no guidance. While technically correct (tool takes no params), schema should include description field explaining what the tool does and when to call it. Current schema: {type: 'object', properties: {}} lacks context.
No error handling or recovery guidance. Tool throws 'Unknown tool' error for invalid requests but provides no actionable guidance to LLM. Should return structured error with retry hints.
| Scored | Grade | Overall | Spec posture | Rubric |
|---|---|---|---|---|
| 2026-09-23 | F | 41 | 2026-07-28+ | v2 |
Tool description lacks WHEN/WHY context. Current: 'Generate a UUID v7 that's timestamp-based and guaranteed to be unique'. Should explain: when to use (e.g., 'for creating unique identifiers in distributed systems'), what it returns (UUID string format), and any prerequisites.