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ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use Business Day Calculator with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Calculate workdays, holidays, and business day ranges across 50+ countries.

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 5 capabilities

The complete Business Day Calculator capability set.

These are the exact actions your AI can choose when you ask it to work with Business Day Calculator.

Capability set01 / 02

01-03

3 capabilities in this set.

Part of 5 available through Business Day Calculator.

  1. 01

    Count business days

    Counts business days between two dates

  2. 02

    Subtract business days

    Subtracts N business days from a date

  3. 03

    Add business days

    Adds N business days to a date

Capability set02 / 02

04-05

2 capabilities in this set.

Part of 5 available through Business Day Calculator.

  1. 04

    Find next business day

    Finds the next business day

  2. 05

    Get workday range

    Generates a list of business days in a range

Observed, not estimated

680ms average. Fast in production.

Business Day Calculator is checked daily against the live service.

Daily averagePeak 911ms
Aug 20Today
Fastest day
523ms
Slowest day
911ms
14-day trend
Improving-30%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 5 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Business Day Calculator, so you can see the experience inside your AI.

It does not authenticate your account with Business Day Calculator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

Business Day Calculator Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_FK0N2YSyXRAHUmFmMKKcPOwzacRT18rbYpSFwJdm/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Business Day Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "business-day-calculator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_FK0N2YSyXRAHUmFmMKKcPOwzacRT18rbYpSFwJdm/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions Business Day Calculator owners ask.

  • 01

    How does the capability handle different weekend structures?

    The capability automatically applies regional rules based on the countryCode. For example, it uses a Saturday-Sunday pattern for the US and a Friday-Saturday pattern for many Middle Eastern countries.

  • 02

    Can I add my own holidays to the calculation?

    Yes, you can provide a JSON array of ISO date strings in the customHolidaysJson parameter to treat specific dates as non-working days.

  • 03

    What happens if I provide an invalid country code?

    If the countryCode is unrecognized, the capability will return an error message describing the failure.

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