mysql_update_data

A write tool on the Mysql MCP server.

SERVERMysql SOURCEmukul975/mysql-mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mukul975-mysql-mcp-server/mysql-update-data.md

WHAT IT DOES

What mysql_update_data does on Mysql

AI agents use mysql_update_data to create or update resources in Mysql, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mysql environment.

RISK

Why mysql_update_data is rated Medium

UPDATE operations modify data reversibly, fitting the Write category. Severity is high because unauthorized updates to production database records could corrupt business data, cause operational failures, or trigger cascading errors.

From the tool's definition Tool name 'mysql_update_data' directly indicates data modification. Server description claims 'read-only queries' but this tool's name contradicts that.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs mysql_update_data 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 mysql_update_data, this is the rule to start with:

mysql_update_data Rate-limited

mysql_update_data stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "mysql_update_data": {
      "limits": [
        {
          "counter": "mysql_update_data_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about mysql_update_data

What does the mysql_update_data tool do? +

mysql_update_data is a write tool on the Mysql MCP server. It is categorised as a Write tool in the Mysql MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on mysql_update_data? +

Register the Mysql MCP server in PolicyLayer and add a rule for mysql_update_data: 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.

What risk level is mysql_update_data? +

mysql_update_data is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit mysql_update_data? +

Yes. Add a rate_limit block to the mysql_update_data 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_update_data completely? +

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

mysql_update_data 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.

KEEP EXPLORING

More on Mysql, and thousands of servers like it.

This server

All 233 Mysql tools →

Across the catalogue

aroflo_create_or_update_record on AroFlo MCP →team_manager_update_budget on Team Manager MCP → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →