Holiday and Business Day Check (United States Calendar)

omnial/us-business-day-and-holiday-check

For one date on the United States calendar, says whether it is a business day, gives the reason as a label (for a public holiday, with the holiday's name), and returns the next and the previous business day, with the date and country code echoed back.

activeper callv1

Price

Up to $0.0325 per call; you pay what the call used

The price shown is the price you pay. No monthly minimum. Top-ups start at $5.

Data source

Nager.Date

Public holiday data from Nager.Date; business days computed by Omnial.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

agent

// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "omnial/us-business-day-and-holiday-check" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "omnial/us-business-day-and-holiday-check" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "omnial/us-business-day-and-holiday-check", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "omnial/us-business-day-and-holiday-check", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

Not connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.

Pricing

Every charge this tool can incur.

Charge	Price
Per call	$0.0325

Updated: Oct 14, 2026

Input and output schemas

Input schema

input_schema.json

{
  "type": "object",
  "required": [
    "date",
    "country_code"
  ],
  "properties": {
    "date": {
      "type": "string",
      "minLength": 1,
      "description": "The date to check, as YYYY-MM-DD."
    },
    "country_code": {
      "enum": [
        "US"
      ],
      "type": "string",
      "description": "The country whose calendar is used. Only the United States (US) is offered."
    }
  },
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "properties": {
    "date": {
      "type": "string",
      "description": "The date checked, echoed back."
    },
    "reason": {
      "type": "string",
      "description": "Why, as a type and a label, such as a public holiday with its name."
    },
    "country_code": {
      "type": "string",
      "description": "The country code, echoed back."
    },
    "is_business_day": {
      "type": "boolean",
      "description": "Whether the date is a business day."
    },
    "next_business_day": {
      "type": "string",
      "description": "The next business day, YYYY-MM-DD."
    },
    "previous_business_day": {
      "type": "string",
      "description": "The business day before the date, YYYY-MM-DD."
    }
  },
  "description": "The business-day answer for the date."
}