PostgreSQL_get_column_privileges

What PostgreSQL_get_column_privileges does on Postgres

AI agents call PostgreSQL_get_column_privileges to retrieve information from Postgres without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why PostgreSQL_get_column_privileges is rated Low

This tool queries privilege information from PostgreSQL system catalogs without modifying any data or performing side effects. It is a read operation that retrieves security metadata, which has minimal blast radius if misused—an AI agent could over-query or enumerate privileges but cannot alter permissions, delete data, or execute code. Classification as Read is appropriate.

From the tool's definition Tool name is 'get_column_privileges' and description states it retrieves column-level privileges on a table. The verb 'get' and use case indicate read-only retrieval of privilege metadata with no modifications.

The rule that runs PostgreSQL_get_column_privileges safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Postgres, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For PostgreSQL_get_column_privileges, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "PostgreSQL_get_column_privileges": {}
  }
}

Questions about PostgreSQL_get_column_privileges