Bizday

{
  "mcpServers": {
    "com.isitabizday/bizday": {
      "url": "https://isitabizday.com/mcp"
    }
  }
}

Indexed tools

Tool metadata and schemas come from the remote server and are untrusted. Indexing only lists tools; it never calls them.

8 shown · authentication unknown

• Add business days

  add_business_days

  The date that is days business days after start. The start date is day 0, matching Excel WORKDAY, so days=1 always leaves the start date. days is an integer from -3660 to 3660. Omit calendar for us-federal-opm. us-fed-banking keeps Reserve Banks open on the Friday before a Saturday holiday.

  Schema valid · SHA-256 6e4ad13f4282…

  View input schema

  {
    "type": "object",
    "properties": {
      "start": {
        "type": "string",
        "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
        "description": "Civil date, YYYY-MM-DD. Not a timestamp."
      },
      "days": {
        "type": "integer",
        "minimum": -3660,
        "maximum": 3660,
        "description": "Business days to add. Negative counts backward. Zero returns the start date."
      },
      "calendar": {
        "type": "string",
        "enum": [
          "us-federal-opm",
          "us-fed-banking",
          "us-nyse",
          "us-sifma",
          "us-ca",
          "us-ny",
          "us-nyc"
        ],
        "description": "Calendar id. Omit for us-federal-opm. Unknown ids are an error. us-fed-banking keeps Reserve Banks open on the Friday before a Saturday holiday. us-nyse is NYSE full-day holidays for 2026 through 2028. us-sifma is SIFMA recommended U.S. full closes for 2026 and 2027. An early close stays open. us-ca is California state offices for 2026. A Saturday holiday does not close Friday. us-ny is New York State executive-branch offices for 2026 and 2027. A floating holiday stays open. us-nyc is New York City offices for 2026 and 2027. A Saturday holiday closes Friday."
      }
    },
    "required": [
      "start",
      "days"
    ],
    "additionalProperties": false
  }

• Count business days

  count_business_days

  How many business days are in the inclusive span from start through end, matching Excel NETWORKDAYS. Negative when end is earlier. The span must be 3660 days or less. Omit calendar for us-federal-opm.