How to Use the MCPFusion Developer Prover MCP in Windsurf

Q: How does MCPFusion Developer Prover stop Windsurf from writing raw Zod schemas?

The tool scans your workspace AST to flag raw z.object() calls. It forces Cascade to replace them with defineModel(). This ensures your schemas retain built-in features like automatic timestamps and hidden fields.

Stop Cascade from writing broken, coupled schemas. Get strict MVA architecture validation directly in your Windsurf workspace.

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Connect MCPFusion Developer Prover MCP to Windsurf

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

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Stop Cascade from generating raw Zod schemas

The `validate_mcpfusion_implementation` tool forces Windsurf to write compliant model definitions instead of fallback Zod objects. When Cascade attempts to scaffold an API, it usually defaults to raw `z.object()` declarations that strip out necessary metadata like timestamps or hidden fields. Running this check stops the agent in its tracks, forcing it to use `defineModel()` with proper type casting. Your agent reads the structural feedback and rewrites the model using `m.casts()`. This keeps your database properties protected and ensures mass-assignment rules apply before any data hits your system.

Enforce strict Presenter output boundaries

The `validate_mcpfusion_implementation` tool guarantees that Cascade never leaks raw database entities back to the client. LLMs frequently bypass the presentation layer when scripting fast, multi-step routines. This check blocks any tool execution that lacks a designated `.returns(Presenter)` configuration on your MCP Server. The validation output guides your IDE agent to wrap outputs with `createPresenter()`. It secures your egress pipeline by stripping sensitive fields and injecting UI-rendering metadata like charts or agent suggestions.

Correct semantic verb assignments automatically

The `validate_mcpfusion_implementation` tool analyzes Cascade's tool declarations to ensure that read operations use `f.query()` and writes use `f.mutation()`. Autonomous agents often default to generic actions, which disables critical caching for reads and bypasses mandatory confirmation gates for destructive writes. Correcting these verbs ensures your IDE client respects system boundaries during autonomous execution loops. Cascade reads the error log, swaps out the invalid verb, and applies self-healing suggestions without interrupting your build.

Setup guide

Set up MCPFusion Developer Prover MCP in Windsurf

Prerequisites

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

1

Open MCP configuration

Click the Cascade assistant icon in the sidebar, then click the hammer icon (🔨) at the top of the panel. Select "Configure" to open ~/.codeium/windsurf/mcp_config.json.
2

Add the MCPFusion Developer Prover MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Refresh MCPs

Go back to the hammer icon (🔨) in Cascade and click "Refresh". Windsurf will detect the new server. No full restart is needed — the connection is hot-reloaded.
4

Verify in Cascade

Start a new Cascade conversation and ask something like "Show my MCPFusion Developer Prover payment history." If connected, Cascade will call the MCPFusion Developer Prover tools directly. You will see a green dot next to the server name in the MCP panel.

mcp_config.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 Windsurf

The tool scans your workspace AST to flag raw `z.object()` calls. It forces Cascade to replace them with `defineModel()`. This ensures your schemas retain built-in features like automatic timestamps and hidden fields.

Yes, Cascade calls the MCP server autonomously during code generation steps. The agent reads the validation errors directly, applies the suggested fixes, and continues the task.

Your agent is returning raw database objects instead of using `.returns(Presenter)`. This server flags that leak immediately. It ensures your IDE client strips sensitive fields before data exits the tool.

No, the AST parsing runs inside a fast Vinkius sandbox. Code analysis takes milliseconds, meaning your MCP client gets immediate feedback without breaking its execution flow.

Vinkius processes your AST structures and code schemas inside an ephemeral, zero-trust V8 sandbox on our MCP host. We never store your proprietary source files or model definitions. Every validation run executes in isolation and leaves no footprint.

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