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Workday Calendar MCP

v1.0.0 changelog · 1

dev.workers.regnotes.workday-calendar/workday-calendar

Public holidays and business-day math (T+N, counts) for many countries; pay per call via x402

transport:streamable-http tools:4

Target client

run in your project directory

claude mcp add --transport http workday-calendar https://workday-calendar.regnotes.workers.dev/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

business_day

business day

business_days_add

business days add

business_days_count

business days count

holidays

holidays

All 4 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.