dev.omikuji/holiday
Japan Public Holidays
Japanese national holidays, substitute holidays, business days and long weekends (Cabinet Office).
alive probed 2026-10-15 · HTTP 200
4tools
1.1ktokens in Claude Opus 5.5
1.1ktokens in Claude Code
0.6 %of a 200k context window
660o200k_base estimate
559 msto initialize
538 msto list tools
- Endpoint
- https://holiday.omikuji.dev/mcp (streamable-http)
- Host
- holiday.omikuji.dev
- Protocol
- 2025-11-25
- Reports itself as
- holiday-omikuji-dev 2027
- Capabilities
- tools
- Instructions
- 420 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Website
- https://holiday.omikuji.dev/ai/
- Registry
- active, updated 2026-10-15 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| business_days | 200 | 30 % |
| check_dates | 157 | 24 % |
| find_long_weekends | 155 | 23 % |
| list_holidays | 148 | 22 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.omikuji/holiday)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.