Use Gachapon Probability Calculator with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Calculate the statistical likelihood, expected costs, and purchase requirements for completing a full Gachapon collection.
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.
Complete set · 4 capabilities
The complete Gachapon Probability Calculator capability set.
These are the exact actions your AI can choose when you ask it to work with Gachapon Probability Calculator.
01-04
4 capabilities in this set.
Part of 4 available through Gachapon Probability Calculator.
- 01
Duplicate probability
Calculate the probability of having at least one duplicate of every item
- 02
Expected metrics
Calculate expected number of purchases and total cost to complete the set
- 03
Target threshold
Calculate the number of purchases needed to reach a target confidence level
- 04
Completion probability
Calculate the probability of having a complete set after K purchases
Observed, not estimated
810ms average. Fast in production.
Gachapon Probability Calculator is checked daily against the live service.
- Fastest day
- 609ms
- Slowest day
- 945ms
- 14-day trend
- Slowing+24%
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 Gachapon Probability Calculator, so you can see the experience inside your AI.
It does not authenticate your account with Gachapon Probability Calculator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Gachapon Probability Calculator Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_dbPCauhm3gHg87V9dsAn5G8XsK4l6Oi9a0EPqkam/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Gachapon Probability Calculator capabilities are ready to use.
{
"mcpServers": {
"gachapon-probability-calculator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_dbPCauhm3gHg87V9dsAn5G8XsK4l6Oi9a0EPqkam/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 Gachapon Probability Calculator owners ask.
- 01
How do I calculate the average cost to complete my collection?
You can use the expected_metrics capability. Provide the total number of unique items in the set and the price per capsule to get the expected number of purchases and total cost.
- 02
What is the chance I will have a full set after 50 pulls?
Use the completion_probability capability. Input the total number of unique items and the number of capsules purchased (50) to see your success probability.
- 03
How many pulls do I need to be 95% sure I have the full set?
The target_threshold capability is designed for this. Enter the total number of unique items and set the target probability to 0.95.
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