get_table_sample

Fetch a small sample of rows from a table to understand its data format and content.

SERVERMySQL MCP Server SOURCEdesigncomputer/mysql_mcp_server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade C, identity unverified Pull the record →

This record as markdown: /tools/designcomputer-mysql-mcp-server/get-table-sample.md

WHAT IT DOES

What get_table_sample does on MySQL MCP Server

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

RISK

Why get_table_sample is rated Low

This tool retrieves a limited subset of data for inspection purposes only. There is no capability to modify, delete, or execute operations. The 'small sample' constraint further limits data exposure. Even if misused by an AI agent, the worst outcome is unauthorized data reading, which carries lower risk than write, execute, or destructive operations.

From the tool's definition Tool name 'get_table_sample' and description explicitly states 'Fetch a small sample of rows from a table' — a retrieval operation with no modification or side effects. The server description confirms it enables 'read data' as a core function.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_table_sample safely

PolicyLayer is an MCP gateway: it sits between your AI agents and MySQL MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_table_sample, this is the rule to start with:

get_table_sample Allowed

get_table_sample is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect MySQL MCP Server, apply this rule, and every get_table_sample call is checked against it from then on.

FAQ

Questions about get_table_sample

What does the get_table_sample tool do? +

Fetch a small sample of rows from a table to understand its data format and content. 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_sample? +

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

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

Can I rate-limit get_table_sample? +

Yes. Add a rate_limit block to the get_table_sample 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_sample completely? +

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

get_table_sample is provided by the MySQL MCP Server MCP server (designcomputer/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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