PostgreSQL_get_extension_list

What PostgreSQL_get_extension_list does on Postgres

AI agents call PostgreSQL_get_extension_list 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_extension_list is rated Low

This tool only queries and returns information about installed extensions without modifying any database state or executing arbitrary code. It is a straightforward read operation with minimal security risk; the information retrieved could help an attacker understand the database's capabilities, but disclosure of installed extensions is typically not a high-impact exposure in isolation.

From the tool's definition Tool name contains 'get_extension_list' and description states 'List all installed PostgreSQL extensions' — a retrieval operation with no modifications.

The rule that runs PostgreSQL_get_extension_list 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_extension_list, this is the rule to start with:

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

Questions about PostgreSQL_get_extension_list