Single tool 'crew_research' has a basic description but critically lacks input schema documentation, parameter descriptions, and output schema. The description (95 chars) is below the 194-char baseline for production tools. No error handling guidance, no pagination support, and no structured output specification. Tool name lacks action verb clarity ('crew_research' is vague about what research action occurs). Parameter 'query' has no type annotation visible in schema, and no description of expected format, length, or constraints. No evidence of idempotency, retry guidance, or error recovery patterns.

• Rename tool to 'run_research' or 'execute_research' to start with a clear action verb matching the 90% baseline of A+ tools.
• Add explicit input schema with type='string', minLength=1, maxLength=500, and description: 'The research query or question (1-500 chars). Supports natural language questions about any topic.'
• Document output schema: specify that the tool returns a string containing structured research findings with sections (summary, sources, key_findings). Mention typical length (500-2000 chars).
• Add parameter validation and error handling: catch API key errors, timeouts, and invalid queries; return actionable messages like 'LINKUP_API_KEY not set. Set env var or pass via config.' instead of raw exceptions.
• Implement pagination or result limits if research output can be large. Add a 'max_results' parameter (default 10, range 1-50) to control response size and prevent context window exhaustion.

Inferred effective spec: <=2025-11-25.

• Relies on Logging (deprecated) - log to stderr or use OpenTelemetry