MCP server

WorkdayAPI

dev.workers.mike-tusa.workdayapi/workdayapi

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Website

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

5

Token cost

About 1,473 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http workdayapi https://workdayapi.mike-tusa.workers.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.workdayapi]
url = "https://workdayapi.mike-tusa.workers.dev/mcp"

Gemini CLI

{"mcpServers":{"workdayapi":{"httpUrl":"https://workdayapi.mike-tusa.workers.dev/mcp"}}}

Cursor

{"mcpServers":{"workdayapi":{"url":"https://workdayapi.mike-tusa.workers.dev/mcp"}}}

VS Code

{"servers":{"workdayapi":{"type":"http","url":"https://workdayapi.mike-tusa.workers.dev/mcp"}}}

Antigravity

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

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"workdayapi","server_url":"https://workdayapi.mike-tusa.workers.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"workdayapi","server_url":"https://workdayapi.mike-tusa.workers.dev/mcp"}

Tools

• add_business_days ~374 tokens
  Add (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_between ~420 tokens
  Count 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.
• get_holidays ~261 tokens
  List 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_day ~344 tokens
  Check 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.
• list_countries ~74 tokens
  List 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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