Analyze table size growth and storage efficiency.
AI agents call PostgreSQL_table_size_growth to retrieve information from Postgres without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs analysis and reporting on existing table storage characteristics. The term 'analyze' in both the tool name and description, combined with the context of 'storage efficiency' reporting, indicates a data retrieval and diagnostic operation. There is no indication the tool modifies, deletes, executes arbitrary code, or commits financial transactions.
From the tool's definition Tool name 'PostgreSQL_table_size_growth' and description 'Analyze table size growth and storage efficiency' indicate a diagnostic/monitoring operation that queries and reports on database metrics without modifying data.
Documented attack patterns abuse exactly the kind of access PostgreSQL_table_size_growth gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Postgres, and nothing reaches the server without passing your rules. This is the rule we recommend for PostgreSQL_table_size_growth:
{
"version": "1",
"default": "deny",
"tools": {
"PostgreSQL_table_size_growth": {}
}
}PostgreSQL_table_size_growth is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Analyze table size growth and storage efficiency. It is categorised as a Read tool in the Postgres MCP Server, which means it retrieves data without modifying state.
Register the Postgres MCP server in PolicyLayer and add a rule for PostgreSQL_table_size_growth: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Postgres. Nothing to install.
PostgreSQL_table_size_growth is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the PostgreSQL_table_size_growth rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for PostgreSQL_table_size_growth. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
PostgreSQL_table_size_growth is provided by the Postgres MCP server (mukul975/postgres-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Postgres, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
239 Postgres tools catalogued and risk-classified — across an index of 43,000+ MCP servers.