List Istio gateways
AI agents call istio-list-gateways to retrieve information from Kubernetes MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Listing Istio gateways is a read-only operation that retrieves and displays existing gateway configurations. No data is created, modified, or deleted. Severity is medium rather than low because exposure of gateway configurations (ingress points, routing rules, TLS settings) could inform network reconnaissance or identify attack surfaces, though the tool itself performs no destructive action.
From the tool's definition Tool name 'istio-list-gateways' with description 'List Istio gateways' indicates a query/retrieval operation with no data modification.
Attacks that exploit this kind of access
List Istio gateways. It is categorised as a Read tool in the Kubernetes MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Kubernetes MCP Server MCP server in PolicyLayer and add a rule for istio-list-gateways: 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 Kubernetes MCP Server. Nothing to install.
istio-list-gateways 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 istio-list-gateways 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 istio-list-gateways. 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.
istio-list-gateways is provided by the Kubernetes MCP Server MCP server (thekaranpargaie/kube-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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