mysql_deadlock_detection

THE RISK

Low Risk

Why mysql_deadlock_detection needs a policy

The tool detects and analyzes deadlocks, which is a read/monitoring operation. It queries system state to identify deadlock conditions without modifying or deleting any data. The server description also emphasizes 'read-only queries, performance analysis, and server monitoring', which aligns with this tool's purpose. No side effects are implied.

From the tool's definition Detect and analyze table deadlocks

Documented attack patterns abuse exactly the kind of access mysql_deadlock_detection gives an agent:

POLICY

How to control mysql_deadlock_detection

PolicyLayer is an MCP gateway — it sits between your AI agents and Mysql, and nothing reaches the server without passing your rules. This is the rule we recommend for mysql_deadlock_detection:

policy.json

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

mysql_deadlock_detection is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Mysql — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Mysql tools

Destructive drop_event Drop a scheduled event. Destructive drop_partition Drop a partition from a table. Destructive drop_role Drop a role (MySQL 8.0+). Destructive drop_stored_function Drop a stored function. Destructive drop_stored_procedure Drop a stored procedure. Destructive mysql_delete_data Delete data from a table. Destructive mysql_drop_database Drop a MySQL database (USE WITH CAUTION!). Destructive mysql_drop_foreign_key Drop a foreign key constraint from a table.

All 233 Mysql tools →

Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about mysql_deadlock_detection

What does the mysql_deadlock_detection tool do? +

Detect and analyze table deadlocks. It is categorised as a Read tool in the Mysql MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on mysql_deadlock_detection? +

Register the Mysql MCP server in PolicyLayer and add a rule for mysql_deadlock_detection: 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_deadlock_detection? +

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

Can I rate-limit mysql_deadlock_detection? +

Yes. Add a rate_limit block to the mysql_deadlock_detection 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_deadlock_detection completely? +

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

mysql_deadlock_detection 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.

Enforce policy on every Mysql tool call.

Start from Mysql, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →