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ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use Drop Rate Calculator with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Calculate item drop probabilities, pity mechanics, and expected resource usage for loot-based systems.

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 · 3 capabilities

The complete Drop Rate Calculator capability set.

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

Capability set01 / 01

01-03

3 capabilities in this set.

Part of 3 available through Drop Rate Calculator.

  1. 01

    Analyze expected resource usage

    Calculate expected runs to success and efficiency ratio

  2. 02

    Estimate confidence thresholds

    Find minimum attempts required for 10%, 50%, and 90% success probability

  3. 03

    Calculate cumulative probability

    Calculate the probability of at least one success in N attempts

Observed, not estimated

606ms average. Fast in production.

Drop Rate Calculator is checked daily against the live service.

Daily averagePeak 761ms
Aug 20Today
Fastest day
483ms
Slowest day
761ms
14-day trend
Slowing+18%

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 Drop Rate Calculator, so you can see the experience inside your AI.

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

Drop Rate Calculator Connector

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

Connector linkhttps://edge.vinkius.com/vk_preview_6W4nRayDMr9knrNMsgfTjvfvvr5RHvYfr0Wsdr2X/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 — Drop Rate Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "drop-rate-calculator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_6W4nRayDMr9knrNMsgfTjvfvvr5RHvYfr0Wsdr2X/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 Drop Rate Calculator owners ask.

  • 01

    How does the calculator handle pity systems?

    If you provide a pityThreshold in any capability, the calculation accounts for a guaranteed success at that specific trial number, effectively capping the maximum possible failure streak.

  • 02

    What does the efficiency ratio mean?

    In analyze_expected_resource_usage, an efficiency ratio greater than 1.0 indicates that your current number of unsuccessful runs has exceeded the statistical average, meaning you are currently 'unlucky'.

  • 03

    Can I use this for Gacha games?

    Yes, the calculator is ideal for any system using Bernoulli trials, such as Gacha pulls, loot boxes, or boss drops with fixed or pity-based rates.

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