Server has 5 tools with basic descriptions and input schemas present. However, descriptions are minimal (10-60 chars, well below the 194-char baseline), parameter descriptions lack detail on constraints/formats, and output schemas are not documented. All tools are READ_ONLY and return unstructured strings (JSON serialized), not structured objects. Error handling is present but generic ('Error: ...'). No tool annotations (readOnlyHint, etc.) despite all being read-only. Tool names follow verb_noun pattern (positive), but descriptions do not explain WHEN to use each tool or distinguish overlapping tools (e.g., GetCurrentSecurityInfo vs GetSecuritiesBySector both fetch security data). Parameter 'tickerSymbol' and 'sectorName' lack format constraints. DateTime parameters in GetHistoricalData lack range guidance. No pagination support despite tools returning potentially large result sets.

• Expand tool descriptions to 100-200 chars. For GetCurrentSecurityInfo, add: 'Fetch current price, volume, and market cap for a single ticker symbol. Use this when you need real-time data for one security; use GetSecuritiesBySector to compare multiple securities in a sector.'
• Document output schemas explicitly. E.g., GetCurrentSecurityInfo returns {ticker: string, price: number, volume: number, marketCap: number}. Include this in tool description or a separate schema field.
• Add format constraints to parameters. E.g., tickerSymbol: 'Ticker symbol (1-5 uppercase letters, e.g., AAPL)'. For DateTime: 'Start date (ISO 8601, must be before endDate).'
• Add readOnlyHint=true to all 5 tools in the MCP tool definition to signal safety to agents.
• Implement pagination for GetSecuritiesBySector and GetHistoricalData. Add limit (default 20, max 100) and offset parameters. Return {results: [...], total: number, hasMore: boolean}.

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

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