add_profile · MySQL MCP Server MCP: Risk & Policy

WHAT IT DOES

What add_profile does on MySQL MCP Server

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

WHY IT NEEDS A POLICY

Why add_profile needs a policy

This tool creates or modifies connection profile data, which is a reversible write operation. While it doesn't directly manipulate database records, it configures database access credentials and connection parameters.

From the tool's definition Tool name 'add_profile' and description indicating it 'adds or updates connection profiles' (新しい接続プロファイルを追加または更新します translates to 'adds or updates new connection profiles'). This modifies configuration data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_profile Rate-limited

add_profile 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": {
    "add_profile": {
      "limits": [
        {
          "counter": "add_profile_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches MySQL MCP Server, so you can run agents against it safely.

FAQ

Questions about add_profile

What does the add_profile tool do? +

新しい接続プロファイルを追加または更新します. It is categorised as a Write tool in the MySQL MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_profile? +

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

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

Can I rate-limit add_profile? +

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

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

add_profile 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.