How to Use the MCPFusion Developer Prover MCP in Cursor

Q: How do I add the MCPFusion Developer Prover to Cursor?

Create an mcp.json configuration file inside your .cursor directory. Add the server configuration under the main servers key, then enable agent mode in your chat panel to start validating.

Force Cursor to write compliant MVA architecture and valid model layers without leaving your editor using this MCP Server.

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Connect MCPFusion Developer Prover MCP to Cursor

Create your Vinkius account to connect MCPFusion Developer Prover to Cursor 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 Cursor

Ask AI about this MCP

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Claude

Perplexity

Block raw Zod objects in your active Cursor workspace

Your editor's agent mode is incredibly fast, but it constantly defaults to raw `z.object()` definitions. This bypasses the entire MCPFusion casting system, leaving you without automatic timestamps or API alias resolution. Running `validate_mcpfusion_implementation` forces the editor to write clean `defineModel()` calls instead. The tool parses the AST of your active file in real-time. If it catches a raw schema, it stops the agent and provides the exact template needed to fix the model.

Secure your data views using this MCP Server

When writing new features, the editor often skips the view layer entirely. This results in tools returning raw objects, leaking internal database fields to the frontend. Triggering `validate_mcpfusion_implementation` ensures every endpoint uses `.returns(Presenter)` to clean up egress data. This enforces a clean boundary between your database and your client. Your agent gets immediate feedback if it tries to bypass this security layer.

Force correct semantic verbs during code generation

The agent mode needs to know whether an operation is a safe read or a destructive write. Standardizing with `validate_mcpfusion_implementation` checks that your tools use queries for reads and mutations for writes. This stops the editor from generating generic actions that bypass security checks. It ensures that destructive operations always require explicit user consent before running.

Setup guide

Set up MCPFusion Developer Prover MCP in Cursor

Prerequisites

Cursor installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP Settings

Go to Cursor Settings → MCP or open the Command Palette (Cmd+Shift+P / Ctrl+Shift+P) and search for "MCP: Add Server".
2

Add the MCPFusion Developer Prover MCP

Cursor will create or open .cursor/mcp.json in your project root. Paste the JSON snippet on the right. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Enable Agent mode

Open Composer (Cmd+I / Ctrl+I) and switch to Agent mode using the dropdown at the top. MCP tools are only available in Agent mode.
4

Verify the connection

Ask Cursor something like "List my recent MCPFusion Developer Prover transactions." If the MCP tools are loaded correctly, Cursor will call the MCPFusion Developer Prover tools automatically. You can also check Settings → MCP for a green status indicator.

.cursor/mcp.json

{
  "mcpServers": {
    "mcpfusion-developer-prover-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 MCPFusion Developer Prover. 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 MCPFusion Developer Prover MCP in Cursor

Create an `mcp.json` configuration file inside your `.cursor` directory. Add the server configuration under the main servers key, then enable agent mode in your chat panel to start validating.

Yes, you can instruct the agent to call the validation tool before it considers any code block complete. This ensures that every file written during a session complies with your MVA rules.

The underlying models have never seen the specific abstractions of the MCPFusion framework. They default to standard TypeScript patterns, which completely breaks the separation between models, views, and tools.

It returns a detailed error object containing concrete fix suggestions. The editor reads this payload and immediately applies the recommended changes to your code.

No. All TypeScript AST parsing and structural checks occur inside an isolated local sandbox. Your architectural configurations and code patterns never leave your local environment.

Use it with your favorite AI tools

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