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ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use Couples Shared Account Engine with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Calculate fair, proportional expense sharing between partners based on income ratios.

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 · 4 capabilities

The complete Couples Shared Account Engine capability set.

These are the exact actions your AI can choose when you ask it to work with Couples Shared Account Engine.

Capability set01 / 01

01-04

4 capabilities in this set.

Part of 4 available through Couples Shared Account Engine.

  1. 01

    Calculate reconciliation transfer

    Calculate the transfer needed to reconcile shared expenses

  2. 02

    Calculate income proportions

    Calculate the proportion of total income for each partner

  3. 03

    Calculate individual obligations

    Calculate how much each partner owes to the shared expenses pool

  4. 04

    Calculate partner surplus

    Calculate the remaining surplus for each partner after shared expenses and personal costs

Observed, not estimated

623ms average. Fast in production.

Couples Shared Account Engine is checked daily against the live service.

Daily averagePeak 801ms
Aug 20Today
Fastest day
518ms
Slowest day
801ms
14-day trend
Slowing+11%

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 Couples Shared Account Engine, so you can see the experience inside your AI.

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

Couples Shared Account Engine Connector

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

Connector linkhttps://edge.vinkius.com/vk_preview_Sn0UWJ5l9QLKeKgxKhtLF3s6Cz3QO1cm5zbunWIz/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 — Couples Shared Account Engine capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "couples-shared-account-engine-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_Sn0UWJ5l9QLKeKgxKhtLF3s6Cz3QO1cm5zbunWIz/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 Couples Shared Account Engine owners ask.

  • 01

    How is the expense split calculated?

    The split is calculated using the income ratio of both partners. By using calculate_income_proportions, you can find the percentage each partner should contribute based on their relative earnings.

  • 02

    What if one partner paid for everything upfront?

    You can use calculate_reconciliation_transfer to find the exact amount that needs to be transferred from one partner to another or to a joint account to balance the proportions.

  • 03

    Can I check if my personal expenses are too high?

    Yes, the calculate_partner_surplus capability allows you to calculate your remaining funds after accounting for both your share of joint expenses and your individual personal costs.

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