This server has significant structural and definition quality issues. Out of 17 tools, nearly all lack proper parameter type definitions visible in the schema, descriptions are minimal or missing structured context, and output schemas are entirely undocumented. Tools are spread across multiple independent modules without coordination. The rubric baseline for A-grade tools requires ALL params to have types AND descriptions, documented return schemas, and error handling guidance, this server has almost none of that. The tool definitions appear to rely on LangChain StructuredTool introspection (via tool_def_maker.py), but the actual schema properties are not visible in the provided code. Several tools have only trivial one-line descriptions (e.g., 'Find the current date.' for get_current_date). Parameter descriptions are present for some tools (e.g., wikiSearch, scrape_product) but missing entirely for others (get_date_time has no parameters anyway, but get_current_date is equally sparse). No output schemas are documented anywhere. Error handling is absent, no recovery guidance, no retryable vs fatal classification. This lands in the F - D range; the presence of descriptions for a few tools and basic naming (mostly verb-noun) saves it from a complete F.

• Add a complete output schema for every tool, documenting return type, field names, types, and any nested structure. For example: wikiSearch should return {type: 'object', properties: {summary: {type: 'string'}, title: {type: 'string'}, url: {type: 'string'}}}.
• Expand descriptions for trivial tools (get_date_time, get_current_date, list_labels, list_relationship_types) from 1 - 3 words to 50 - 150 characters explaining WHAT they do, WHEN to use them, and any dependencies. E.g., 'Returns the current server date in ISO 8601 format. Use this as a baseline for relative date calculations in queries.'
• Fix the tool name: rename 'mutiple' to 'multiply' (correct spelling).
• Add parameter descriptions to all parameters. For get_date_time (no params), this is N/A. For gmail_list, clarify that 'query' uses Gmail search syntax (e.g., 'from:user@example.com after:2024-01-01') and 'max_results' is capped at 100 by Gmail API.
• Document the result of each gmail_list call to clarify the field names (e.g., 'Returns an array of {id, threadId, headers, snippet}'). Explicitly state that the 'id' field is the message_id required by gmail_read.
• Add error handling and recovery guidance to all external-service tools (wikiSearch, scrape_product, get_weather, Gmail tools, Neo4j tools). For example: 'If Wikipedia returns no results, try a shorter or different query. If a timeout occurs, the query may have timed out; check your internet connection and retry.'
• Implement a confirmation/dry-run pattern for run_cypher. Require an explicit 'mode' parameter (enum: 'preview' | 'execute') or a separate preview_cypher tool that returns the execution plan without modifying the database.