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mcp/harbor
Cursor

Aletheia Runtime Safety & Scope Creep Filter for Cursor

io.github.vikasny30/aletheia-mcp

Deterministic pre-execution filter that blocks known scope-creep and prompt-injection tool calls

client:Cursor transport:stdio runtime:npm

Install Aletheia Runtime Safety & Scope Creep Filter in Cursor

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "aletheia-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "aletheia-mcp"
      ],
      "env": {
        "ALETHEIA_ALLOW_WRITE": "<ALETHEIA_ALLOW_WRITE>",
        "ALETHEIA_ALLOW_NETWORK": "<ALETHEIA_ALLOW_NETWORK>",
        "ALETHEIA_ALLOW_LOOPBACK": "<ALETHEIA_ALLOW_LOOPBACK>",
        "ALETHEIA_OPERATOR_SECRET": "<ALETHEIA_OPERATOR_SECRET>"
      }
    }
  }
}

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

Aletheia Runtime Safety & Scope Creep Filter in other clients

Aletheia Runtime Safety & Scope Creep Filter MCP server