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Connect Percentage Change Calculator to ChatGPT and Claude

Set it up once and it works in ChatGPT, Claude, Cursor, and any other client you love. It all runs safely in the background, so you can relax and focus on what really matters. Get precise mathematical variations for your data instantly.

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

Your AI does the work. We keep it safe and sound.

No other AI tool gives you this. Your workflow runs in the client you already love, your account stays protected, and you decide what the agent can and cannot do. It is the whole reason to make the switch.

Each Connector lives inside our infrastructure, the same place where your workflow runs. The three things below are already part of it, working quietly in the background so you never have to think about them. Nothing to add, nothing to set up, nothing to worry about.

A futuristic MCP client docking bay
V8 Isolate01

Each Connector runs inside its own sealed environment.

Each Connector runs inside its own sealed V8 runtime — no access to your files, your system, or other servers. A Connector never sees past its own request.

Kill Switch02

One switch stops every agent. Instantly.

One action deactivates every Connector, revokes every token, and ends every session at once. AI Governance keeps the record.

FinOps per User03

Spending limits that pause instead of surprise.

Every user keeps their own connections and credentials, isolated from everyone else. Anything that would cross your spending limit is held for your approval, not billed.

Three controls, built into the layer your AI connects through.

Curated set · 4 capabilities

We ship only the actions that matter.

Capability set01 / 01

01-04

4 capabilities in this set.

Part of 4 available through Percentage Change Calculator.

  1. 01

    Batch variation analysis

    This capability processes a list of historical data points to find the total change over a specific period.

  2. 02

    Calculate variation

    This capability determines the exact relationship, including absolute and percentage change, between an initial and a subsequent value.

  3. 03

    Compare two periods

    This capability compares the percentage change of one time period against the percentage change of another.

  4. 04

    Verify scale significance

    This capability checks if a change is significant by comparing it against a threshold you define.

Real work

What teams actually run

01

Financial Growth Tracking

Compare revenue from this quarter against last quarter to find the exact percentage increase.

02

Statistical Significance Testing

Check if a change in user engagement is large enough to be considered meaningful based on your set limits.

03

Inventory Volatility

Analyze a series of stock levels to see the total variation over a month.

04

Performance Benchmarking

Measure if the acceleration of a metric is increasing or slowing down between two periods.

One connector, every AI

Percentage Change Calculator works with the most popular AI clients.

These are the most popular clients, each with a step-by-step guide: one link, set up once, with governance and visibility built in. And because everything runs on the MCP standard, the same connection also works in any other compatible client — nothing to rebuild.

ClaudeClaudeChatGPTChatGPTGeminiGeminiPerplexityPerplexityGrokGrokMicrosoft CopilotMicrosoft CopilotCursorCursorVS CodeVS CodeWindsurfWindsurfJetBrainsJetBrainsClineClineLangChainLangChainVercel AI SDKVercel AI SDKLovableLovableZ.aiZ.aiRaycastRaycastQwen CodeQwen CodeKimi CodeKimi CodeLe ChatLe Chat

Building your own app? The connector is yours to use.

You don't need a client to put Percentage Change Calculator to work: the same hosted connection plugs into your own applications and agent code, with the same governance on every request. Build with it, chat with it — one connection for both.

Observed, not estimated

855ms average. Fast in production.

Percentage Change Calculator is checked daily against the live service.

Daily averagePeak 1125ms
Oct 10Today
Fastest day
728ms
Slowest day
1125ms
14-day trend
Improving-6%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 4 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 Percentage Change Calculator, so you can see the experience inside your AI.

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

Percentage Change Calculator Connector

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

Connector linkhttps://edge.vinkius.com/vk_preview_L3cCpgXb89fDpj7lW7AQLa8jLGvKQ5AS9PhjZ0UY/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 — Percentage Change Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "percentage-change-calculator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_L3cCpgXb89fDpj7lW7AQLa8jLGvKQ5AS9PhjZ0UY/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

Guided setup for Claude? Set up Percentage Change Calculator in Claude and other AIs

See all the AI clients this connector works with ↑

Who it's for

Built for the work Percentage Change Calculator owners hand off.

This MCP is for professionals who work with datasets and need to report on growth or volatility.

  • 01

    Data Analysts

    They hand off raw data series to the AI to get instant variance reports.

  • 02

    Financial Analysts

    They use the capability to compare period-over-period performance and growth rates.

  • 03

    Business Intelligence Professionals

    They rely on the capability to verify if metric shifts meet business significance thresholds.

FAQ

Questions Percentage Change Calculator owners ask.

  • 01

    How do I use this MCP with Claude?

    You connect to the Vinkius catalog once, and the capabilities become available to your Claude client immediately.

  • 02

    Can I check if a change is large enough to matter?

    Yes, use the verify_scale_significance capability to compare a change against your own defined threshold.

  • 03

    Does it work with long lists of numbers?

    Yes, the batch_variation_analysis capability is designed to process lists of historical data points.

  • 04

    Can I compare growth rates between two different months?

    Yes, the compare_two_periods capability allows you to compare the percentage change of one period against another.

  • 05

    Do I need to provide my own math formulas?

    No, the capabilities handle the calculations for absolute and percentage changes automatically.

  • 06

    How does the capability handle a starting value of zero?

    When the starting value is zero and the new value is non-zero, the capability identifies this as an undefined infinite increase.

  • 07

    Can I analyze a whole series of numbers at once?

    Yes, you can use batch_variation_analysis to process a sequence of data points and find the total change from the first to the last value.

  • 08

    What is the difference between absolute and percentage change?

    Absolute change is the raw numerical difference, while percentage change is the relative variation expressed as a percentage of the original value.

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