mysql_explain_query

Analyze query execution plan.

SERVERMysql SOURCEmukul975/mysql-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/mukul975-mysql-mcp-server/mysql-explain-query.md

WHAT IT DOES

What mysql_explain_query does on Mysql

AI agents call mysql_explain_query to retrieve information from Mysql 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_explain_query is rated Low

The EXPLAIN command in MySQL is a diagnostic tool that retrieves and analyzes query execution plans. It produces no side effects, does not modify data, and does not execute the underlying query—only introspects its execution strategy.

From the tool's definition Tool name 'mysql_explain_query' and description 'Analyze query execution plan' indicate a read-only operation. EXPLAIN queries in MySQL return metadata about how a query would execute without modifying any data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs mysql_explain_query safely

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

mysql_explain_query Allowed

mysql_explain_query 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_explain_query": {}
  }
}

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

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

FAQ

Questions about mysql_explain_query

What does the mysql_explain_query tool do? +

Analyze query execution plan. It is categorised as a Read tool in the Mysql MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on mysql_explain_query? +

Register the Mysql MCP server in PolicyLayer and add a rule for mysql_explain_query: 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 Mysql. Nothing to install.

What risk level is mysql_explain_query? +

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

Can I rate-limit mysql_explain_query? +

Yes. Add a rate_limit block to the mysql_explain_query 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_explain_query completely? +

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

mysql_explain_query is provided by the Mysql MCP server (mukul975/mysql-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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