get_table_structure

获取指定表的结构信息

Server MySQL MCP Server jeweis/jewei-mysql-mcp-server
Category Read
Risk class Low
Parameters 00 required

What get_table_structure does on MySQL MCP Server

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

Why get_table_structure needs a policy

This tool retrieves database schema metadata (table columns, types, constraints) without querying data or causing side effects. It is purely informational and aligns with the server's stated read-only design for schema exploration.

From the tool's definition Tool name 'get_table_structure' and server description explicitly states 'read-only access' and 'table structure inspection'.

Questions about get_table_structure

What does the get_table_structure tool do? +

获取指定表的结构信息. 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 get_table_structure? +

Register the MySQL MCP Server MCP server in PolicyLayer and add a rule for get_table_structure: 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 get_table_structure? +

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

Can I rate-limit get_table_structure? +

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

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

get_table_structure is provided by the MySQL MCP Server MCP server (jeweis/jewei-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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