mysql_query_digest_analysis

THE RISK

Low Risk

Why mysql_query_digest_analysis needs a policy

This tool retrieves and analyzes existing query digest statistics from MySQL Performance Schema or similar, which is a read operation with no side effects. The server description explicitly states 'read-only queries' as a core function.

From the tool's definition Tool is named 'mysql_query_digest_analysis' and described as 'Analyze query digest statistics for performance optimization.' The verb 'analyze' and context of 'performance optimization' indicate read-only introspection of existing query metrics without…

Documented attack patterns abuse exactly the kind of access mysql_query_digest_analysis gives an agent:

POLICY

How to control mysql_query_digest_analysis

PolicyLayer is an MCP gateway — it sits between your AI agents and Mysql, and nothing reaches the server without passing your rules. This is the rule we recommend for mysql_query_digest_analysis:

policy.json

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

mysql_query_digest_analysis is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Mysql — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

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All 233 Mysql tools →

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about mysql_query_digest_analysis

What does the mysql_query_digest_analysis tool do? +

Analyze query digest statistics for performance optimization. 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_query_digest_analysis? +

Register the Mysql MCP server in PolicyLayer and add a rule for mysql_query_digest_analysis: 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_query_digest_analysis? +

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

Can I rate-limit mysql_query_digest_analysis? +

Yes. Add a rate_limit block to the mysql_query_digest_analysis 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_query_digest_analysis completely? +

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

mysql_query_digest_analysis 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.

Enforce policy on every Mysql tool call.

Start from Mysql, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →