Low Risk

show_create_database

Show the CREATE DATABASE statement for a database.

How to control show_create_database ↓

What show_create_database does on Mysql

AI agents call show_create_database to retrieve information from Mysql without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why show_create_database needs a policy

This tool retrieves and displays the DDL (CREATE DATABASE statement) for an existing database. It is purely informational—it queries database metadata and returns the statement used to create the database, with no side effects, data modification, or irreversible actions. This aligns with the Read category (retrieves or queries data; no side effects).

From the tool's definition Tool name 'show_create_database' and description 'Show the CREATE DATABASE statement for a database' indicate retrieval of metadata. The action is querying/displaying existing schema information without modification, deletion, or execution.

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

How to control show_create_database

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 show_create_database:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "show_create_database": {}
  }
}

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

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

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Questions about show_create_database

What does the show_create_database tool do? +

Show the CREATE DATABASE statement for a database. 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 show_create_database? +

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

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

Can I rate-limit show_create_database? +

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

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

show_create_database 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.

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233 Mysql tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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