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ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use Deadline Calculator with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Calculate precise end dates by adding calendar or business days, accounting for weekends and regional holidays.

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

Waiting for input…

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

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 3 capabilities

The complete Deadline Calculator capability set.

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

Capability set01 / 01

01-03

3 capabilities in this set.

Part of 3 available through Deadline Calculator.

  1. 01

    Business deadline tool

    Calculate a deadline by adding business days to a start date

  2. 02

    Calendar deadline tool

    Calculate a deadline by adding calendar days to a start date

  3. 03

    Holiday registry tool

    Fetch the holiday registry for a specific region and year

Observed, not estimated

685ms average. Fast in production.

Deadline Calculator is checked daily against the live service.

Daily averagePeak 852ms
Aug 20Today
Fastest day
571ms
Slowest day
852ms
14-day trend
Improving-13%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 3 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 Deadline Calculator, so you can see the experience inside your AI.

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

Deadline Calculator Connector

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

Connector linkhttps://edge.vinkius.com/vk_preview_wXHcMc6mvs6PJNtadmhUMeWcfHpR3eLXsUt2UrOD/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 — Deadline Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "deadline-calculator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_wXHcMc6mvs6PJNtadmhUMeWcfHpR3eLXsUt2UrOD/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 Deadline Calculator owners ask.

  • 01

    How does the business day calculation work?

    The business_deadline_tool iterates through each day starting from your start date. It only increments the count when it encounters a day that is not a weekend (Saturday or Sunday) and not a holiday listed in the registry for your chosen region.

  • 02

    Which regions are supported for holidays?

    Currently, the server supports holiday registries for the United States (US), United Kingdom (GB), Germany (DE), and France (FR).

  • 03

    Can I verify specific holiday dates?

    Yes, you can use the holiday_registry_tool to fetch a complete list of recognized holidays for any supported region and year.

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