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ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use Loot Box Expectation Calculator with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Calculate gacha success probabilities, expected costs, and bad luck streak risks.

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 Loot Box Expectation Calculator capability set.

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

Capability set01 / 01

01-03

3 capabilities in this set.

Part of 3 available through Loot Box Expectation Calculator.

  1. 01

    Get pull success rate

    Calculate the probability of getting a target character within N pulls

  2. 02

    Analyze bad luck streak

    Analyze the probability of a consecutive loss streak

  3. 03

    Estimate budget requirement

    Estimate the cost required for a character

Observed, not estimated

654ms average. Fast in production.

Loot Box Expectation Calculator is checked daily against the live service.

Daily averagePeak 956ms
Aug 20Today
Fastest day
496ms
Slowest day
956ms
14-day trend
Slowing+63%

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 Loot Box Expectation Calculator, so you can see the experience inside your AI.

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

Loot Box Expectation Calculator Connector

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

Connector linkhttps://edge.vinkius.com/vk_preview_UdyI1nOnoiilWmVYq6cGoqV7Dd2HzZrrlotLaxZR/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 — Loot Box Expectation Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "loot-box-expectation-calculator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_UdyI1nOnoiilWmVYq6cGoqV7Dd2HzZrrlotLaxZR/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 Loot Box Expectation Calculator owners ask.

  • 01

    How does the success rate calculation work?

    The get_pull_success_rate capability uses binomial probability and cumulative distribution functions, accounting for both soft pity thresholds and hard pity limits.

  • 02

    Can I estimate how much money I need to spend?

    Yes, use the estimate_budget_requirement capability. It provides both an expected cost and a worst-case scenario based on your current pity state.

  • 03

    Does this account for 50/50 mechanics?

    Yes, you can specify if you are currently in a 'fiftyFifty' or 'guaranteed' state when using the calculation capabilities.

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