show_table_types
Show available table types (storage engines).
This record as markdown: /tools/mukul975-mysql-mcp-server/show-table-types.md
What show_table_types does on Mysql
AI agents call show_table_types 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.
Why show_table_types is rated Low
This tool retrieves metadata about available MySQL storage engines. It is a read-only operation with no side effects, no data modification, and no destructive capability. The operation is informational only, making it a standard Read category tool with low severity due to minimal blast radius if misused.
From the tool's definition Tool name 'show_table_types' and description 'Show available table types (storage engines)' indicate a retrieval operation. The verb 'show' is a query operation that lists available storage engines without modifying data or triggering external operations.
Attacks that exploit this kind of access
The rule that runs show_table_types 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 show_table_types, this is the rule to start with:
show_table_types is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Mysql, apply this rule, and every show_table_types call is checked against it from then on.
Questions about show_table_types
Show available table types (storage engines). It is categorised as a Read tool in the Mysql MCP Server, which means it retrieves data without modifying state.
Register the Mysql MCP server in PolicyLayer and add a rule for show_table_types: 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.
show_table_types is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the show_table_types 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.
Set action: deny in the PolicyLayer policy for show_table_types. 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.
show_table_types 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.
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