Tanod Finance

utilpeek: count business days or add working days (with public holidays)

count_or_add_business_days

Read-onlyIdempotent

utilpeek: Count business days between two dates or add working days, skipping public holidays. Returns the business days between two dates (mode count; both ends included by default, like NETWORKDAYS) or the date N business days after or before a date (mode add, like WORKDAY), skipping weekends (configurable) and, with a country, its public holidays; plus the holidays skipped. Input: mode, start, for count end and optional include_start / include_end, for add days, optional weekend, country and subdivision. Ranges up to 20 years; with a country, dates in 1990-2100. Bad input is a 422 (not charged). Holiday rules are modelled by a library: confirm with an official source for legal or payroll use. Typically under 0.2 s. Price: USD 0.001. Free: 10 utilpeek calls per IP per UTC day.

Input Schema

TableJSON Schema

Name	Required	Description
`end`	No	count only: end date, YYYY-MM-DD, at most 20 years from start (before start gives a negative count).
`days`	No	add only: business days to add (negative subtracts). The start date is never counted (like Excel WORKDAY); 0 returns start.
`mode`	Yes	count: business days between start and end; add: the date `days` business days after (or before) start.
`start`	Yes	Start date, YYYY-MM-DD (1900-01-01..2199-12-31).
`country`	No	Optional ISO 3166-1 alpha-2 country whose public holidays are not business days (the /v1/holidays data; dates in 1990-2100).
`weekend`	No	Weekday names that are not business days (default ["sat", "sun"]; e.g. ["fri", "sat"]; [] for none).
`include_end`	No	count only: count the end date (default true; both true is Excel NETWORKDAYS, include_end false the half-open [start, end) of numpy.busday_count).
`subdivision`	No	Optional subdivision code or name for that country (e.g. CA or California for US).
`include_start`	No	count only: count the start date (default true).

Output Schema

TableJSON Schema

Name	Required	Description
`end`	No
`date`	No
`days`	No
`mode`	No
`note`	No
`error`	No	Only on an error result: an object {code, message}, or the reason string of an x402 PaymentRequired object.
`start`	No
`source`	No
`country`	No
`weekday`	No
`weekend`	No
`counting`	No
`include_end`	No
`subdivision`	No
`holiday_days`	No
`weekend_days`	No
`business_days`	No
`calendar_days`	No
`include_start`	No
`holidays_skipped`	No
`holidays_truncated`	No
`start_is_business_day`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 8, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "business_days": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    },
+    "calendar_days": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    },
+    "counting": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "country": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "date": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "days": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    },
+    "end": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "error": {
+      "description": "Only on an error result: an object {code, message}, or the reason string of an x402 PaymentRequired object."
+    },
+    "holiday_days": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    },
+    "holidays_skipped": {
+      "items": {
+        "properties": {
+          "date": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "name": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "weekday": {
+            "type": [
+              "string",
+              "null"
+            ]
+          }
+        },
+        "type": [
+          "object",
+          "null"
+        ]
+      },
+      "type": [
+        "array",
+        "null"
+      ]
+    },
+    "holidays_truncated": {
+      "type": [
+        "boolean",
+        "null"
+      ]
+    },
+    "include_end": {
+      "type": [
+        "boolean",
+        "null"
+      ]
+    },
+    "include_start": {
+      "type": [
+        "boolean",
+        "null"
+      ]
+    },
+    "mode": {
+      "enum": [
+        "count",
+        "add",
+        null
+      ],
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "note": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "source": {
+      "properties": {
+        "library": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "license": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "url": {
+          "type": [
+            "string",
+            "null"
+          ]
+        }
+      },
+      "type": [
+        "object",
+        "null"
+      ]
+    },
+    "start": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "start_is_business_day": {
+      "type": [
+        "boolean",
+        "null"
+      ]
+    },
+    "subdivision": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "weekday": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "weekend": {
+      "items": {
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "type": [
+        "array",
+        "null"
+      ]
+    },
+    "weekend_days": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    }
+  },
+  "type": "object"
+}

AddedOct 8, 2026

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