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ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use JavaScript Math with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Stop LLMs from miscalculating discounts and interest. Deterministically calculate exact percentages and relative increases.

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 · 2 capabilities

The complete JavaScript Math capability set.

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

Capability set01 / 01

01-02

2 capabilities in this set.

Part of 2 available through JavaScript Math.

  1. 01

    Calculate increase by

    Increases or decreases a value by X percent deterministically (use negative percent for discount)

  2. 02

    Calculate percent of

    Pass the base value and the percentage to compute. Essential for discount calculations, tax rates, and financial reports. Calculates X percent of a total value deterministically

Observed, not estimated

864ms average. Fast in production.

JavaScript Math is checked daily against the live service.

Daily averagePeak 1146ms
Aug 20Today
Fastest day
722ms
Slowest day
1146ms
14-day trend
Stable-2%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 2 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 JavaScript Math, so you can see the experience inside your AI.

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

JavaScript Math Connector

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

Connector linkhttps://edge.vinkius.com/vk_preview_ttJ13k8D00YxXRgwTrEjCYGv4nA6JgPMQz340RM2/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 — JavaScript Math capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "percentage-calculation-engine-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_ttJ13k8D00YxXRgwTrEjCYGv4nA6JgPMQz340RM2/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 JavaScript Math owners ask.

  • 01

    Can it calculate discounts?

    Yes, by passing a negative percentage.

  • 02

    Is it deterministic?

    Absolutely. Pure math evaluation local.

  • 03

    Does it support tax addition?

    Yes, simply use the increase_by function.

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