PostgreSQL_connection_pool_stats
Get PostgreSQL connection pool statistics and backend process information.
This record as markdown: /tools/mukul975-postgres-mcp-server/postgresql-connection-pool-stats.md
What PostgreSQL_connection_pool_stats does on Postgres
AI agents call PostgreSQL_connection_pool_stats 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_connection_pool_stats is rated Low
This tool retrieves monitoring and diagnostic data about connection pools and backend processes. It performs a read-only query operation to obtain statistics and information about existing database connections and processes. There is no modification, deletion, code execution, or financial impact.
From the tool's definition Tool description states 'Get PostgreSQL connection pool statistics and backend process information.' The verbs 'Get' and the focus on retrieving statistics and process information indicate data retrieval with no side effects.
Attacks that exploit this kind of access
The rule that runs PostgreSQL_connection_pool_stats 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_connection_pool_stats, this is the rule to start with:
PostgreSQL_connection_pool_stats 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_connection_pool_stats call is checked against it from then on.
Questions about PostgreSQL_connection_pool_stats
Get PostgreSQL connection pool statistics and backend process information. 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_connection_pool_stats: 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_connection_pool_stats 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_connection_pool_stats 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_connection_pool_stats. 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_connection_pool_stats 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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