Workday Calendar
Public holidays and business-day math (T+N, counts) for many countries; pay per call via x402
Should I use this
Quality & Safety
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"workday-calendar": {
"url": "https://workday-calendar.regnotes.workers.dev/mcp"
}
}
}Remote endpoints
https://workday-calendar.regnotes.workers.dev/mcpstreamable-httpWhat it can do
Tool inventory
Tools (4)
🟢business_day(country, date)
Whether a date is a business day in a country (holiday/weekend/make-up workday aware), plus the previous and next business day. Costs $0.001 USDC on Base via x402.
Input Schema
{
"type": "object",
"properties": {
"country": {
"type": "string",
"description": "ISO alpha-2"
},
"date": {
"type": "string",
"description": "YYYY-MM-DD"
}
},
"required": [
"country",
"date"
],
"additionalProperties": false
}🟢business_days_add(country, date, days)
Date that is N business days after (or before, if negative) a start date in a country. Typical use: T+2 settlement, SLA and filing deadlines. Costs $0.002 USDC on Base via x402.
Input Schema
{
"type": "object",
"properties": {
"country": {
"type": "string",
"description": "ISO alpha-2"
},
"date": {
"type": "string",
"description": "Start date YYYY-MM-DD"
},
"days": {
"type": "integer",
"description": "Integer -260..260"
}
},
"required": [
"country",
"date",
"days"
],
"additionalProperties": false
}🟢business_days_count(country, start, end)
Number of business days in [start, end] inclusive (max 3 years), with the holidays that fell on weekdays. Costs $0.002 USDC on Base via x402.
Input Schema
{
"type": "object",
"properties": {
"country": {
"type": "string",
"description": "ISO alpha-2"
},
"start": {
"type": "string",
"description": "YYYY-MM-DD"
},
"end": {
"type": "string",
"description": "YYYY-MM-DD"
}
},
"required": [
"country",
"start",
"end"
],
"additionalProperties": false
}🟢holidays(country, year)
All national public holidays for a country and year, with weekend definition and official weekend make-up workdays. Costs $0.002 USDC on Base via x402.
Input Schema
{
"type": "object",
"properties": {
"country": {
"type": "string",
"description": "ISO alpha-2"
},
"year": {
"type": "integer",
"description": "YYYY"
}
},
"required": [
"country",
"year"
],
"additionalProperties": false
}Community
Evidence