This server has critical gaps in definition quality. Both tools are registered via Spring AI's ToolCallbacks mechanism, but the actual tool specifications are inferred from method annotations rather than explicitly visible in the source. No parameter descriptions are visible in the provided code. The tool names follow a verb_noun pattern (get_*), which is positive, but input schemas are completely empty objects {}, and there is no evidence of output schema documentation. Error handling, parameter validation, and response shaping are absent from the visible code. The server appears to be a minimal proof-of-concept rather than a production-ready implementation.

• Create explicit, visible tool schemas with full JSON Schema definitions. Do not rely on Spring AI introspection to hide schemas from audit. For get_all_bookings, define input as {type: 'object', properties: {limit: {type: 'integer', min: 1, max: 100, default: 20}, offset: {type: 'integer', min: 0, default: 0}}, required: []} with descriptions for each property.
• Expand tool descriptions to 100-150 characters. Example: 'Retrieve a paginated list of all flight bookings for the authenticated user. Returns booking reference, airline, departure/arrival times, and passenger name. Call with limit=20, offset=0 for first page.'
• Document output schemas explicitly. Example for get_all_bookings: {type: 'array', items: {type: 'object', properties: {id: {type: 'integer'}, bookingRef: {type: 'string'}, airline: {type: 'string'}, departure: {type: 'string', format: 'date-time'}, arrival: {type: 'string', format: 'date-time'}, passenger: {type: 'string'}}, required: ['id', 'bookingRef', 'airline', 'departure', 'arrival', 'passenger']}, total: {type: 'integer'}, nextOffset: {type: 'integer'}}}.
• Implement pagination. Add limit (1-100, default 20) and offset (default 0) parameters. Return {bookings: [...], total: <int>, nextOffset: <int>} so agents know when to request more results.
• Add error handling. Return {error: 'Invalid limit: must be 1-100', code: 'INVALID_LIMIT'} instead of letting the Spring framework 500. Catch and translate database/auth errors to actionable messages.
• Create companion tools: search_bookings(passenger_name, airline, date_from, date_to) and get_booking_details(booking_ref). This lets agents answer specific user questions without fetching all bookings.