Project Concord has 5 tools with extremely limited visibility into their actual implementations. Tool registration files are referenced but their contents are not provided in the source code excerpt. Based on available evidence: (1) Tool names follow verb_noun patterns (echo_message, build_query_from_description, explore_table_structure, explain_column_meaning, expand_abbreviations), which is positive. (2) However, without access to the actual registration.js files where schemas, descriptions, and parameters should be defined, the evaluation is severely constrained. The referenced files exist at apps/mcp-server/src/mcp-server/tools/*/registration.js but their contents are not shown. (3) The codebase uses TypeScript with Zod for validation (visible in dependencies), suggesting type safety exists, but this is inferred, not verified. Per the hard scoring rules: 'If you cannot see the actual tool definition in the source (only inferred): cap that tool's overall at 50.' This applies to all 5 tools, their definitions cannot be verified from the provided source snippet. The average of 5 tools capped at 50 (due to inference) yields a definitionQuality around 25-30.

• Provide the actual registration.js file contents for all 5 tools. Show complete parameter definitions with types, descriptions, enums, min/max constraints, and required flags.
• Add comprehensive descriptions (50-200 chars) to all tools answering: WHAT does it do? WHEN to use it? WHAT does it return? Example: 'build_query_from_description: Translates a natural-language description of data requirements into a SQL query. Use when the user asks for specific data but doesn't know the exact table/column names. Returns the generated query and estimated row count.'
• Document all input parameters with type, description, and constraints. For 'explore_table_structure', specify: table_name (string, required, e.g. 'users'), include_indexes (boolean, optional, default=false), limit_rows (integer, optional, 1-10000, default=100).
• Add output schemas showing return types. E.g. 'build_query_from_description returns {query: string, estimated_rows: integer, tables_used: string[]}'.
• For domain-specific tools (explore_table_structure, explain_column_meaning), add dependency hints in descriptions. E.g. 'Call explore_table_structure first to list available tables, then explain_column_meaning for field definitions.'
• Implement error recovery guidance. E.g. if expand_abbreviations receives an unknown abbreviation, return 'Abbreviation not found. Try search_abbreviations() or provide context.' instead of a bare 404.
• Consider whether 'echo_message' is a utility tool for testing or production. If testing only, remove or mark as internal. If production, clarify its purpose in description.