pg_partman_show_partitions

List all child partitions for a partition set managed by pg_partman.

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-partman-show-partitions.md

WHAT IT DOES

What pg_partman_show_partitions does on PostgreSQL MCP Server

AI agents call pg_partman_show_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_partman_show_partitions is rated Low

This tool queries and displays partition metadata managed by pg_partman. It retrieves information about existing partitions without altering database state, executing commands, or affecting data. The blast radius of misuse is minimal — an agent could only enumerate partition structures, which poses no destructive or financial risk.

From the tool's definition Tool name contains 'show' and description states 'List all child partitions' — purely informational retrieval with no data modification, deletion, or execution of arbitrary code.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pg_partman_show_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_partman_show_partitions, this is the rule to start with:

pg_partman_show_partitions Allowed

pg_partman_show_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_partman_show_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_partman_show_partitions call is checked against it from then on.

FAQ

Questions about pg_partman_show_partitions

What does the pg_partman_show_partitions tool do? +

List all child partitions for a partition set managed by pg_partman. 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_partman_show_partitions? +

Register the PostgreSQL MCP Server MCP server in PolicyLayer and add a rule for pg_partman_show_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_partman_show_partitions? +

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

Can I rate-limit pg_partman_show_partitions? +

Yes. Add a rate_limit block to the pg_partman_show_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_partman_show_partitions completely? +

Set action: deny in the PolicyLayer policy for pg_partman_show_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_partman_show_partitions? +

pg_partman_show_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_partman_show_partitions does on PostgreSQL MCP Server

Why pg_partman_show_partitions is rated Low

The rule that runs pg_partman_show_partitions safely

Questions about pg_partman_show_partitions

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