PostgreSQL_non_autovacuum_friendly_datatypes
Identify tables with data types that may affect autovacuum efficiency.
This record as markdown: /tools/mukul975-postgres-mcp-server/postgresql-non-autovacuum-friendly-datatypes.md
What PostgreSQL_non_autovacuum_friendly_datatypes does on Postgres
AI agents call PostgreSQL_non_autovacuum_friendly_datatypes 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_non_autovacuum_friendly_datatypes is rated Low
This tool retrieves and analyzes metadata about table data types to assess autovacuum performance characteristics. It performs read-only diagnostic inspection with no side effects on data or database state. No writes, deletions, code execution, or financial operations are involved. The low severity reflects that misuse only exposes informational findings about database design.
From the tool's definition Tool name and description indicate a diagnostic/analytical function: 'Identify tables' and 'may affect autovacuum efficiency' describe inspection and reporting of database characteristics without modifying data.
Attacks that exploit this kind of access
The rule that runs PostgreSQL_non_autovacuum_friendly_datatypes 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_non_autovacuum_friendly_datatypes, this is the rule to start with:
PostgreSQL_non_autovacuum_friendly_datatypes 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_non_autovacuum_friendly_datatypes call is checked against it from then on.
Questions about PostgreSQL_non_autovacuum_friendly_datatypes
Identify tables with data types that may affect autovacuum 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_non_autovacuum_friendly_datatypes: 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_non_autovacuum_friendly_datatypes 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_non_autovacuum_friendly_datatypes 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_non_autovacuum_friendly_datatypes. 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_non_autovacuum_friendly_datatypes 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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