PostgreSQL_get_table_size_summary

What PostgreSQL_get_table_size_summary does on Postgres

AI agents call PostgreSQL_get_table_size_summary 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_table_size_summary is rated Low

This tool queries PostgreSQL system catalogs or pg_stat_user_tables to retrieve size metrics (table size, index size, TOAST size). It is a read-only diagnostic operation with no side effects, no data modification, and no destructive capability. The severity is low because the information returned is non-sensitive metadata about storage allocation available to authenticated database users.

From the tool's definition Tool name 'PostgreSQL_get_table_size_summary' and description 'Get comprehensive table size information including indexes and toast' indicate a query operation that retrieves metadata about table storage without modifying data.

The rule that runs PostgreSQL_get_table_size_summary 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_table_size_summary, this is the rule to start with:

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

Questions about PostgreSQL_get_table_size_summary