mysql_show_create_table

THE RISK

Low Risk

Why mysql_show_create_table needs a policy

This tool retrieves and displays the CREATE TABLE statement for a specified table, which is a read-only query operation with no side effects. It falls under the Read category as it queries database schema metadata without creating, modifying, or deleting any data.

From the tool's definition Tool name 'mysql_show_create_table' and description '获取表的创建语句' (get table creation statement) indicates retrieval of schema information. Returns 'JSON string of table creation statement' with no modification capabilities.

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

POLICY

How to control mysql_show_create_table

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

policy.json

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

mysql_show_create_table 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 MCP Server — 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

Related tools and policies

More MySQL MCP Server 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_show_create_table

What does the mysql_show_create_table tool do? +

获取表的创建语句 Args: table: 表名 database: 数据库名称 (可选，默认使用当前连接的数据库) Returns: 表创建语句的JSON字符串. It is categorised as a Read tool in the MySQL MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on mysql_show_create_table? +

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

What risk level is mysql_show_create_table? +

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

Can I rate-limit mysql_show_create_table? +

Yes. Add a rate_limit block to the mysql_show_create_table 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_show_create_table completely? +

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

mysql_show_create_table is provided by the MySQL MCP Server MCP server (mangooer/mysql-mcp-server-sse). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MySQL MCP Server tool call.

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

CHECK YOUR STACK →