mysql_gr_flow_control
Get Group Replication flow control statistics and throttling info.
This record as markdown: /tools/io-github-neverinfamous-mysql-mcp/mysql-gr-flow-control.md
What mysql_gr_flow_control does on Mysql Mcp
AI agents call mysql_gr_flow_control to retrieve information from Mysql Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why mysql_gr_flow_control is rated Low
This tool retrieves monitoring and diagnostic information about MySQL Group Replication flow control performance metrics. It performs a query operation to gather statistics, which is a non-destructive read operation with no side effects. The blast radius of misuse is minimal as the tool cannot modify data, execute arbitrary commands, or affect system state.
From the tool's definition Tool name and description indicate it 'Get[s] Group Replication flow control statistics and throttling info' — a retrieval operation with no modification or execution of code.
Attacks that exploit this kind of access
The rule that runs mysql_gr_flow_control safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mysql Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For mysql_gr_flow_control, this is the rule to start with:
mysql_gr_flow_control is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Mysql Mcp, apply this rule, and every mysql_gr_flow_control call is checked against it from then on.
Questions about mysql_gr_flow_control
Get Group Replication flow control statistics and throttling info. It is categorised as a Read tool in the Mysql Mcp MCP Server, which means it retrieves data without modifying state.
Register the Mysql MCP server in PolicyLayer and add a rule for mysql_gr_flow_control: 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. Nothing to install.
mysql_gr_flow_control 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_gr_flow_control 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_gr_flow_control. 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_gr_flow_control is provided by the Mysql MCP server (oci:docker.io/writenotenow/mysql-mcp:v1.0.0). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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