curl --request POST \
  --url http://localhost:8080/api/mcp-servers/{mcpServerId}/tool-approvals \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --header 'X-API-SECRET: <api-key>' \
  --data '
{
  "tool_name": "file_read",
  "approval_hash": "abc123def456",
  "auto_approve": true,
  "approval_conditions": {
    "file_extensions": [
      ".txt",
      ".md",
      ".json"
    ],
    "max_file_size": 1048576
  }
}
'

{
  "message": "Tool approval added successfully",
  "status": "success",
  "error": null,
  "data": {
    "server_id": "mcp_8c180796-e6d7-4343-88b5-5df0846fef69",
    "tool_name": "file_read",
    "approval_hash": "abc123def456",
    "auto_approve": true,
    "created_at": 1751401500000
  }
}