WorkdayAPI
Business-day and public-holiday math for 29 countries: add business days, days between, holidays.
Connect it
Settings → Connectors → Add custom connector
URL: https://workdayapi.mike-tusa.workers.dev/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://workdayapi.mike-tusa.workers.dev/mcp{
"mcpServers": {
"workdayapi": {
"url": "https://workdayapi.mike-tusa.workers.dev/mcp",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}claude mcp add --transport http workdayapi https://workdayapi.mike-tusa.workers.dev/mcp --header "Authorization: <value>"{
"servers": {
"workdayapi": {
"type": "http",
"url": "https://workdayapi.mike-tusa.workers.dev/mcp",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}5 tools, verified live
get_holidaysread-onlyList the public (and optionally bank/observance) holidays for one country (and region) in one year, 2020-2035, with local names, types and official source links. Read-only. Same data, cache and limits as GET /v1/holidays.
is_business_dayread-onlyCheck whether a date is a business day in a country (and region), considering weekends and public holidays. Returns the reason (weekend or holiday name) plus the previous and next business days. Read-only. Same engine, cache and limits as GET /v1/is-business-day.
add_business_daysread-onlyAdd (or, with a negative number, subtract) business days to a date, skipping weekends and public holidays of the country (and region). Returns the result date and the holidays skipped. Read-only. Same engine, cache and limits as GET /v1/add.
business_days_betweenread-onlyCount business days between two dates in a country (and region), excluding weekends and public holidays. The end date is excluded unless inclusive is true. Returns business, weekend and holiday day counts and the holidays in the range. Read-only. Same engine, cache and limits as GET /v1/between.
list_countriesread-onlyList the supported countries (ISO codes), their regions and the supported year range. Read-only. Same data and limits as GET /v1/countries.
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