How to Use the Splitwise MCP in VS Code Copilot

Q: How do I check group balances using Splitwise with VS Code Copilot?

You call getgroup and the resulting JSON data is available to all team members via the shared MCP configuration. You get a real-time view of who owes what.

Q: Where can I find friend lists for Splitwise using VS Code Copilot?

You run getfriends in your project environment. The tool returns the list, which you can then use to validate user IDs across multiple files.

Q: Can I add a new expense record for Splitwise using VS Code Copilot?

Yes, by calling createexpense and passing the necessary JSON payload. This makes it easy for your team to input live data without needing manual intervention.

Q: What happens if I need user details in Splitwise using VS Code Copilot?

You use getuser(id) to fetch a specific person's profile. This is critical for validating that the correct individuals are included when calculating splits.

Manage team finances and group expenses using Splitwise with VS Code Copilot in shared projects.

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Setup Splitwise with VS Code Copilot

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Get current user details for validation.

When working on a shared project, you often need to confirm the identity of the person writing or reviewing code. Use `get_current_user` to pull their profile data directly into your team's config. This ensures that when your team builds logic around user roles, they are referencing accurate and up-to-date information.

List all friends for group inclusion.

Before a teammate can write code to calculate shares, everyone needs to be accounted for. Running `get_friends` pulls the entire network list into your project context. This shared tool ensures that every developer on the team starts with the same complete set of user IDs.

Retrieve full group definitions.

Use `get_group` to pull the detailed structure of a specific shared circle. The resulting data provides all necessary context for calculating complex debt structures. Since this config is committed, every developer on the team uses the same validated source of truth for grouping.

Setup guide

Set up Splitwise MCP in VS Code Copilot

Prerequisites

VS Code 1.99 or later with GitHub Copilot extension
Active Vinkius subscription with a valid endpoint token

1

Open MCP configuration

Open the Command Palette (Cmd+Shift+P / Ctrl+Shift+P) and run "MCP: Add Server". Select HTTP (Streamable) as the server type. VS Code will create .vscode/mcp.json in your workspace.
2

Add the Splitwise MCP

Paste the JSON snippet shown on the right into your .vscode/mcp.json. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Switch to Agent mode

Open Copilot Chat (Cmd+Shift+I / Ctrl+Shift+I) and switch to Agent mode using the dropdown. MCP tools are only available in Agent mode — they do not appear in Edit or Ask modes.
4

Verify the connection

In the Copilot Chat input, type # to list available tools. You should see the Splitwise tools listed. Try asking: "List my recent Splitwise transactions" and Copilot will invoke them automatically.

.vscode/mcp.json

{
  "mcpServers": {
    "splitwise-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Splitwise. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Splitwise MCP in VS Code Copilot

You call `get_group` and the resulting JSON data is available to all team members via the shared MCP configuration. You get a real-time view of who owes what.

You run `get_friends` in your project environment. The tool returns the list, which you can then use to validate user IDs across multiple files.

Yes, by calling `create_expense` and passing the necessary JSON payload. This makes it easy for your team to input live data without needing manual intervention.

You use `get_user(id)` to fetch a specific person's profile. This is critical for validating that the correct individuals are included when calculating splits.

The primary data type this MCP Server touches is the Expense Record. This record contains cost figures, descriptions, and user IDs that define shared financial transactions.

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