PostgreSQL_get_publication_tables

What PostgreSQL_get_publication_tables does on Postgres

AI agents call PostgreSQL_get_publication_tables 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_publication_tables is rated Low

This tool queries and returns information about which tables are included in PostgreSQL logical replication publications. It is a read-only metadata retrieval operation with no side effects, no data modification, and no execution of arbitrary code. The blast radius of misuse is minimal—an attacker could learn about replication configuration but cannot alter it or access protected data through this tool alone.

From the tool's definition Tool name and description indicate retrieval of metadata: 'Get tables included in logical replication publications.' No modification, deletion, or code execution is performed.

The rule that runs PostgreSQL_get_publication_tables 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_publication_tables, this is the rule to start with:

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

Questions about PostgreSQL_get_publication_tables