WorkdayAPI MCP Server

Install WorkdayAPI MCP server

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

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

{
  "mcpServers": {
    "workdayapi": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://workdayapi.mike-tusa.workers.dev/mcp"
      ]
    }
  }
}

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

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

Context tax

Connecting this server adds ~1,533 tokens of tool definitions to every model turn (moderate, 5 tools). Measured 2026-10-19 via its hosted endpoint; o200k tokenizer, worst case for clients that load all tools up front. How we measure

Input prices as of 2026-10-06. Excludes your own prompt and output.

Tools (5)

• business_days_between386 tok

  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.

• add_business_days339 tok

  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.

• is_business_day312 tok

  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.

• get_holidays244 tok

  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.

• list_countries56 tok

  List the supported countries (ISO codes), their regions and the supported year range. Read-only. Same data and limits as GET /v1/countries.

Security signals

100/100 — no known issues found as of 2026-10-19, from the checks below. This is not a guarantee of safety; review what a server can do before connecting it.

Scan it yourself before installing with vectra-guard, the open-source agent security CLI. Scoring rules

Freshness

Active — last maintenance signal 7d ago. The newest of the signals below sets the band.

1. Last commit (default branch)

   no data · GitHub

2. Latest release

   no data · GitHub

3. Package published

   no data · npm/PyPI

4. Registry entry updated

   2026-10-12 · 7d ago · official registry · v0.2.0