ChronoGate
Timezone and business-day truth for agents: now, DST-safe convert, relative dates, holidays.
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": {
"chronogate": {
"url": "https://chronogate-self.vercel.app/mcp"
}
}
}Remote endpoints
https://chronogate-self.vercel.app/mcpstreamable-httpWhat it can do
Tool inventory
Tools (5)
🟢now(tz)
Current instant plus wall-clock time in an IANA timezone (e.g. America/Chicago). Includes offset and DST flag.
Input Schema
{
"type": "object",
"properties": {
"tz": {
"type": "string",
"description": "IANA timezone, default UTC"
}
}
}🟢convert(iso, from, to)
Convert an ISO-8601 instant (or naive local with from=) between IANA zones, handling DST.
Input Schema
{
"type": "object",
"properties": {
"iso": {
"type": "string",
"description": "ISO-8601 datetime"
},
"from": {
"type": "string",
"description": "Source IANA zone if iso is naive"
},
"to": {
"type": "string",
"description": "Target IANA zone (default UTC)"
}
},
"required": [
"iso"
]
}🟢resolve_expression(expr, tz, country)
Resolve expressions like "next Tuesday 3pm", "tomorrow 9am", or "in 2 business days" in a timezone.
Input Schema
{
"type": "object",
"properties": {
"expr": {
"type": "string"
},
"tz": {
"type": "string",
"description": "IANA timezone"
},
"country": {
"type": "string",
"description": "ISO country for business-day exprs (default US)"
}
},
"required": [
"expr",
"tz"
]
}🟢is_business_day(date, country)
Whether a YYYY-MM-DD date is a business day in a country (weekend + Nager.Date public holidays).
Input Schema
{
"type": "object",
"properties": {
"date": {
"type": "string",
"description": "YYYY-MM-DD"
},
"country": {
"type": "string",
"description": "ISO 3166-1 alpha-2, default US"
}
},
"required": [
"date"
]
}🟢add_business_days(start, days, country)
Add N business days to a start date, skipping weekends and public holidays.
Input Schema
{
"type": "object",
"properties": {
"start": {
"type": "string",
"description": "YYYY-MM-DD"
},
"days": {
"type": "integer",
"description": "Non-negative integer"
},
"country": {
"type": "string",
"description": "ISO 3166-1 alpha-2, default US"
}
},
"required": [
"start",
"days"
]
}Community
Evidence