17 tools with consistent naming (verb_noun pattern) and reasonable descriptions (avg ~80 chars). However, critical gaps: 5 tools (synonyms, antonyms, translations, and 2 others) lack visible input schemas in source code, only inferred from package.json. No output schemas documented anywhere. Parameters present but descriptions are minimal (10-30 chars). No error handling guidance, no recovery paths, no pagination despite tools returning lists. Tool composition is sound (single responsibility), but LLM-facing descriptions are too terse to guide selection vs. similar tools (e.g., 'Find synonyms' vs 'Find semantic neighbors', when to use which?).

• Add explicit input schemas to synonyms, antonyms, and translations in src/tools/ (currently only in package.json). Ensure all 17 tools have visible schema definitions in source code.
• Document output schemas for all tools. Example: 'Returns array of {word: string, score?: number}' or 'Returns {definitions: string[], examples: string[]}'. Include in tool descriptions or a separate schema reference.
• Expand parameter descriptions to 50 - 100 chars. Include constraints and error behavior: 'Language code (ISO 639-1, e.g., en, es, fr). Returns empty array if language unsupported; does not error.'
• Add error handling guidance to tool descriptions. Example: 'If word not found, returns empty array. If language unsupported, returns error with list of supported languages.'
• Add limit and offset parameters to list-returning tools (synonyms, antonyms, rhymes, etc.). Cap default limit at 20 - 50 and document in description: 'Returns up to 20 results; use offset for pagination.'