get_postgresql_config

List PostgreSQL advanced configuration parameters

SERVERLinode MCP Server SOURCEtakashito/linode-mcp-server

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/takashito-linode-mcp-server/get-postgresql-config.md

WHAT IT DOES

What get_postgresql_config does on Linode MCP Server

AI agents call get_postgresql_config to retrieve information from Linode 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 get_postgresql_config is rated Low

This tool retrieves PostgreSQL configuration information, which is a read-only operation. Listing configuration parameters has no side effects, does not execute commands, does not modify data, and does not involve financial transactions. The low severity reflects minimal risk even if queried inappropriately, as configuration inspection alone cannot damage systems or data.

From the tool's definition Tool name and description indicate 'List PostgreSQL advanced configuration parameters' - a query operation that retrieves configuration data without modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_postgresql_config safely

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

get_postgresql_config Allowed

get_postgresql_config 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": {
    "get_postgresql_config": {}
  }
}

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

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

FAQ

Questions about get_postgresql_config

What does the get_postgresql_config tool do? +

List PostgreSQL advanced configuration parameters. It is categorised as a Read tool in the Linode MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_postgresql_config? +

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

What risk level is get_postgresql_config? +

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

Can I rate-limit get_postgresql_config? +

Yes. Add a rate_limit block to the get_postgresql_config 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 get_postgresql_config completely? +

Set action: deny in the PolicyLayer policy for get_postgresql_config. 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 get_postgresql_config? +

get_postgresql_config is provided by the Linode MCP Server MCP server (takashito/linode-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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