Official MCP RegistryHosted serverjp-calendar.plugrail.dev
PlugRail Japanese Calendar
Japanese holiday and business-day calculations using official Japan Cabinet Office data.
Connect to Claude Code
Copyclaude mcp add --transport http plugrail-japanese-calendar https://jp-calendar.plugrail.dev/mcpVendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.
Endpoints
- https://jp-calendar.plugrail.dev/mcpstreamable-http
Published in the official MCP registry as “PlugRail Japanese Calendar”. Verified through the vendor namespace.