proofmark demo server for VS Code

Install proofmark demo server in VS Code

.vscode/mcp.json

{
  "servers": {
    "proofmark-demo-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "proofmark-demo-server"
      ]
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs