指定したデータベース内のテーブル一覧を取得します
AI agents call get_tables 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.
This tool retrieves schema information (table names/metadata) from a database. It is a read-only operation with no side effects—it does not execute queries, modify data, delete resources, or trigger external operations. The blast radius of misuse is minimal: an attacker might discover database structure, but cannot access, modify, or destroy data. This is characteristic of Read category tools.
From the tool's definition Tool name 'get_tables' and description 'retrieves a list of tables in a specified database' indicate a query operation that returns metadata without modifying data.
Attacks that exploit this kind of access
指定したデータベース内のテーブル一覧を取得します. It is categorised as a Read tool in the MySQL MCP Server MCP Server, which means it retrieves data without modifying state.
Register the MySQL MCP Server MCP server in PolicyLayer and add a rule for get_tables: 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.
get_tables 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 get_tables 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 get_tables. 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.
get_tables is provided by the MySQL MCP Server MCP server (yuki777/mysql-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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