How to Use the MCPFusion Developer Prover MCP in VS Code Copilot

Q: How do we share MCPFusion Developer Prover config in VS Code Copilot?

Create a .vscode/mcp.json file at the root of your shared repository. Commit this file to Git so every developer on your team automatically uses the same validation settings.

Enforce clean MVA architecture across your entire team using VS Code Copilot and this validation MCP Server.

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Connect MCPFusion Developer Prover MCP to VS Code Copilot

Create your Vinkius account to connect MCPFusion Developer Prover to VS Code Copilot and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup MCPFusion Developer Prover with VS Code Copilot

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Enforce model standards across your engineering team

Team members using Copilot often accept suggested code that uses raw `z.object()` schemas. This introduces technical debt and breaks the framework's automatic field casting. Running `validate_mcpfusion_implementation` keeps everyone aligned by rejecting raw schemas in favor of `defineModel()`. It acts as a local linting gate inside the editor. It ensures that critical features like hidden fields and auto-timestamps are never skipped during rapid prototyping.

Guarantee clean egress boundaries in VS Code Copilot

Developers writing backend logic often mix data access with presentation. This results in tools leaking internal database structures. By running `validate_mcpfusion_implementation`, you force Copilot to implement a dedicated Presenter layer for every outgoing payload. The tool scans the file structures and confirms that no raw data is returned. This keeps your API responses clean and structured.

Align tool behaviors using this MCP Server

Copilot frequently misclassifies tool behaviors, using generic actions for read-only queries. This prevents the runtime from caching safe operations. Running `validate_mcpfusion_implementation` checks that every tool uses the correct semantic verb. It ensures queries are cached and mutations are flagged for user confirmation. This prevents accidental data changes during automated test runs.

Setup guide

Set up MCPFusion Developer Prover 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 MCPFusion Developer Prover 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 MCPFusion Developer Prover tools listed. Try asking: "List my recent MCPFusion Developer Prover transactions" and Copilot will invoke them automatically.

.vscode/mcp.json

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

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Common questions about MCPFusion Developer Prover MCP in VS Code Copilot

Create a `.vscode/mcp.json` file at the root of your shared repository. Commit this file to Git so every developer on your team automatically uses the same validation settings.

Yes, the server runs inside an isolated sandbox that complies with strict corporate security standards. It allows your developers to validate code without exposing internal systems.

Copilot relies on general training data and does not understand the custom MVA separation rules of MCPFusion. This tool provides the missing guardrails to keep your team's codebase clean.

The validation tool flags the violation and returns a self-healing suggestion. Copilot reads this feedback and instantly refactors the code to match your architectural requirements.

The validator processes your typescript schemas and AST validation metrics locally within an ephemeral sandbox. No code is transmitted or stored externally, ensuring complete compliance with your data protection policies.

Use it with your favorite AI tools

Connect this server to Cursor, Claude, VS Code, and more.

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