MCP Time Server Node

import { ListToolsResultSchema } from '@modelcontextprotocol/sdk/types.js'; import { createTestEnvironment } from './helpers/setup'; interface Tool { name: string; inputSchema?: any; } describe('Tool Descriptions Integration', () => { it('should return tool descriptions with system timezone as default', async () => { const { client, cleanup } = await createTestEnvironment(); try { // Call the actual server's tools/list endpoint const response = await client.request( { method: 'tools/list', params: {}, }, ListToolsResultSchema ); const tools = response.tools; // Check get_current_time description const getCurrentTimeTool = tools.find((t: Tool) => t.name === 'get_current_time'); expect(getCurrentTimeTool).toBeDefined(); const getCurrentTimeSchema = getCurrentTimeTool?.inputSchema as any; expect(getCurrentTimeSchema?.properties?.timezone?.description).toBe( 'IANA timezone (default: system timezone)' ); // Check add_time description const addTimeTool = tools.find((t: Tool) => t.name === 'add_time'); expect(addTimeTool).toBeDefined(); const addTimeSchema = addTimeTool?.inputSchema as any; expect(addTimeSchema?.properties?.timezone?.description).toBe( 'Timezone for calculation (default: system timezone)' ); // Check subtract_time description const subtractTimeTool = tools.find((t: Tool) => t.name === 'subtract_time'); expect(subtractTimeTool).toBeDefined(); const subtractTimeSchema = subtractTimeTool?.inputSchema as any; expect(subtractTimeSchema?.properties?.timezone?.description).toBe( 'Timezone for calculation (default: system timezone)' ); // Check calculate_duration description const calculateDurationTool = tools.find((t: Tool) => t.name === 'calculate_duration'); expect(calculateDurationTool).toBeDefined(); const calculateDurationSchema = calculateDurationTool?.inputSchema as any; expect(calculateDurationSchema?.properties?.timezone?.description).toBe( 'Timezone for parsing (default: system timezone)' ); // Check get_business_days description const getBusinessDaysTool = tools.find((t: Tool) => t.name === 'get_business_days'); expect(getBusinessDaysTool).toBeDefined(); const getBusinessDaysSchema = getBusinessDaysTool?.inputSchema as any; expect(getBusinessDaysSchema?.properties?.timezone?.description).toBe( 'Timezone for calculation (default: system timezone)' ); // Check next_occurrence description const nextOccurrenceTool = tools.find((t: Tool) => t.name === 'next_occurrence'); expect(nextOccurrenceTool).toBeDefined(); const nextOccurrenceSchema = nextOccurrenceTool?.inputSchema as any; expect(nextOccurrenceSchema?.properties?.timezone?.description).toBe( 'Timezone for calculation (default: system timezone)' ); // Check format_time description const formatTimeTool = tools.find((t: Tool) => t.name === 'format_time'); expect(formatTimeTool).toBeDefined(); const formatTimeSchema = formatTimeTool?.inputSchema as any; expect(formatTimeSchema?.properties?.timezone?.description).toBe( 'Timezone for display (default: system timezone)' ); // Verify convert_timezone doesn't have a default (it has from/to) const convertTimezoneTool = tools.find((t: Tool) => t.name === 'convert_timezone'); expect(convertTimezoneTool).toBeDefined(); const convertTimezoneSchema = convertTimezoneTool?.inputSchema as any; expect(convertTimezoneSchema?.properties?.from_timezone?.description).toBe( 'Source IANA timezone' ); expect(convertTimezoneSchema?.properties?.to_timezone?.description).toBe( 'Target IANA timezone' ); // Check days_until is listed const daysUntilTool = tools.find((t: Tool) => t.name === 'days_until'); expect(daysUntilTool).toBeDefined(); expect(daysUntilTool?.description).toBe('Calculate days until a target date/event'); const daysUntilSchema = daysUntilTool?.inputSchema as any; expect(daysUntilSchema?.properties?.timezone?.description).toBe( 'Timezone for calculation (default: system timezone)' ); expect(daysUntilSchema?.required).toEqual(['target_date']); } finally { await cleanup(); } }); });