calendar-mcp
Server Details
China holidays and lunar calendar lookup, solar-to-lunar conversion and yearly schedule.
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- Status
- Unhealthy
- Uptime
- 24.7% over 50 days
- Last Tested
- Transport
- Streamable HTTP
- URL
- Repository
- boy-373/calendar-mcp
- GitHub Stars
- 0
- Server Listing
- calendar-mcp
- ChatGPT
- –
- Claude
- –
TDQS
Scored across 3 tools
Each tool has a clearly distinct purpose: listing annual holidays, querying a specific date's holiday status, and converting solar to lunar dates. No overlap or ambiguity exists between them.
Two tools follow a verb_noun pattern (list_holidays, query_holiday), but solar_to_lunar deviates as a noun phrase rather than a verb-led name. The snake_case style is consistent, but the pattern is not uniform.
Three tools is a small but reasonable set for a focused Chinese calendar and holiday server. Each tool provides a distinct function and covers the core use cases without unnecessary bloat.
The server covers annual holiday lists, single-day holiday lookup, and solar-to-lunar conversion, but it lacks a lunar-to-solar conversion, which is a natural counterpart. The limited 2025-2026 year range also restricts completeness for a general calendar server.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
3 tool updates
- First observed
list_holidays - First observed
query_holiday - First observed
solar_to_lunar
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