mysql_variables

Show MySQL system variables.

SERVERMcp Windows SOURCEmukul975/mcp-windows-automation

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/mukul975-mcp-windows-automation/mysql-variables.md

WHAT IT DOES

What mysql_variables does on Mcp Windows

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

RISK

Why mysql_variables is rated Low

This tool retrieves and displays MySQL system variables without creating, modifying, deleting, or executing anything. It has no side effects and fits the 'Read' category of data retrieval. Severity is low because accessing system variables poses minimal risk even if misused by an agent—they are typically informational and do not enable privilege escalation or data compromise directly.

From the tool's definition Tool name 'mysql_variables' and description 'Show MySQL system variables' indicate a query/retrieval operation with no modification or execution of code. The verb 'Show' is passive and retrieves configuration state.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs mysql_variables safely

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

mysql_variables Allowed

mysql_variables 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": {
    "mysql_variables": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Windows, apply this rule, and every mysql_variables call is checked against it from then on.

FAQ

Questions about mysql_variables

What does the mysql_variables tool do? +

Show MySQL system variables. It is categorised as a Read tool in the Mcp Windows MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on mysql_variables? +

Register the Mcp Windows MCP server in PolicyLayer and add a rule for mysql_variables: 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 Mcp Windows. Nothing to install.

What risk level is mysql_variables? +

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

Can I rate-limit mysql_variables? +

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

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

mysql_variables is provided by the Mcp Windows MCP server (mukul975/mcp-windows-automation). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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