Show active MySQL connections and processes.
AI agents call mysql_process_list to retrieve information from Mysql without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries the MySQL process list to view active connections and processes. It is a read-only operation that retrieves monitoring data with no side effects, modifications, or code execution. The server description emphasizes 'read-only queries' and 'server monitoring,' consistent with this classification.
From the tool's definition Tool name is 'mysql_process_list' and description states 'Show active MySQL connections and processes' — this retrieves/displays connection and process information without modification.
Documented attack patterns abuse exactly the kind of access mysql_process_list gives an agent:
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_process_list:
{
"version": "1",
"default": "deny",
"tools": {
"mysql_process_list": {}
}
}mysql_process_list is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Show active MySQL connections and processes. It is categorised as a Read tool in the Mysql MCP Server, which means it retrieves data without modifying state.
Register the Mysql MCP server in PolicyLayer and add a rule for mysql_process_list: 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.
mysql_process_list 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 mysql_process_list 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 mysql_process_list. 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.
mysql_process_list 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.
Start from Mysql, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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233 Mysql tools catalogued and risk-classified — across an index of 43,000+ MCP servers.