WorkdayAPI for Claude.ai

dev.workers.mike-tusa.workdayapi/workdayapi

Business-day and public-holiday math for 29 countries: add business days, days between, holidays.

client:Claude.ai transport:streamable-http tools:5

Install WorkdayAPI in Claude.ai

Settings → Connectors → Add custom connector

https://workdayapi.mike-tusa.workers.dev/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

get_holidays
is_business_day
add_business_days
business_days_between
list_countries

WorkdayAPI in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

WorkdayAPI MCP server