PostgreSQL_get_bloated_tables
Find tables with significant bloat that may need maintenance.
This record as markdown: /tools/mukul975-postgres-mcp-server/postgresql-get-bloated-tables.md
What PostgreSQL_get_bloated_tables does on Postgres
AI agents call PostgreSQL_get_bloated_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_bloated_tables is rated Low
This tool queries PostgreSQL system catalogs or tables to identify bloated tables and returns diagnostic information. It performs a read-only analysis operation with no side effects, data modifications, or destructive actions. The severity is low because even if misused, it only exposes monitoring metadata about table bloat statistics, which does not compromise data integrity or enable unauthorized access.
From the tool's definition Tool name contains 'get' and description states 'Find tables' — both indicate data retrieval with no modification. No keywords like 'delete', 'drop', 'update', 'execute', or 'modify' are present.
Attacks that exploit this kind of access
The rule that runs PostgreSQL_get_bloated_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_bloated_tables, this is the rule to start with:
PostgreSQL_get_bloated_tables is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Postgres, apply this rule, and every PostgreSQL_get_bloated_tables call is checked against it from then on.
Questions about PostgreSQL_get_bloated_tables
Find tables with significant bloat that may need maintenance. 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_get_bloated_tables: 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_get_bloated_tables 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_get_bloated_tables 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_get_bloated_tables. 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_get_bloated_tables 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.
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