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mcp/harbor
Cursor

MCP-Bastion for Cursor

io.github.vaquarkhan/mcp-bastion

Security middleware for MCP. Blocks prompt injection, PII leakage, and resource exhaustion.

client:Cursor transport:stdio runtime:pypi

Install MCP-Bastion in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json 

{
  "mcpServers": {
    "mcp-bastion": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-bastion-python"
      ]
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

MCP-Bastion in other clients

MCP-Bastion MCP server