pg_list_partitions

List all partitions of a partitioned table. Returns warning if table is not partitioned.

SERVERPostgreSQL MCP Server SOURCE@neverinfamous/postgres-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-neverinfamous-postgres-mcp/pg-list-partitions.md

WHAT IT DOES

What pg_list_partitions does on PostgreSQL MCP Server

AI agents call pg_list_partitions to retrieve information from PostgreSQL MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why pg_list_partitions is rated Low

This tool queries metadata about table partitions and returns results without creating, modifying, deleting, or executing any operations. It is purely informational, fitting the Read category. The severity is low as misuse would only expose schema information.

From the tool's definition Tool name 'pg_list_partitions' and description 'List all partitions' indicate a retrieval operation with no data modification or side effects. Returns informational results about table partitions.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pg_list_partitions safely

PolicyLayer is an MCP gateway: it sits between your AI agents and PostgreSQL MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pg_list_partitions, this is the rule to start with:

pg_list_partitions Allowed

pg_list_partitions is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect PostgreSQL MCP Server, apply this rule, and every pg_list_partitions call is checked against it from then on.

FAQ

Questions about pg_list_partitions

What does the pg_list_partitions tool do? +

List all partitions of a partitioned table. Returns warning if table is not partitioned. It is categorised as a Read tool in the PostgreSQL MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on pg_list_partitions? +

Register the PostgreSQL MCP Server MCP server in PolicyLayer and add a rule for pg_list_partitions: 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 PostgreSQL MCP Server. Nothing to install.

What risk level is pg_list_partitions? +

pg_list_partitions is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit pg_list_partitions? +

Yes. Add a rate_limit block to the pg_list_partitions 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.

How do I block pg_list_partitions completely? +

Set action: deny in the PolicyLayer policy for pg_list_partitions. 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.

What MCP server provides pg_list_partitions? +

pg_list_partitions is provided by the PostgreSQL MCP Server MCP server (@neverinfamous/postgres-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

What pg_list_partitions does on PostgreSQL MCP Server

Why pg_list_partitions is rated Low

The rule that runs pg_list_partitions safely

Questions about pg_list_partitions

More on PostgreSQL MCP Server, and thousands of servers like it.