Get detailed information about a specific Rancher cluster.
AI agents call get_cluster to retrieve information from Rancher MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries cluster information without side effects. However, severity is rated 'medium' rather than 'low' because the returned cluster details may include sensitive configuration data, credentials, or infrastructure information that could be valuable to an attacker if an AI agent over-queries or shares results inappropriately.
From the tool's definition Tool name 'get_cluster' and description 'Get detailed information about a specific Rancher cluster' indicate data retrieval with no modification.
Attacks that exploit this kind of access
Get detailed information about a specific Rancher cluster. It is categorised as a Read tool in the Rancher MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Rancher MCP Server MCP server in PolicyLayer and add a rule for get_cluster: 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 Rancher MCP Server. Nothing to install.
get_cluster 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 get_cluster 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 get_cluster. 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.
get_cluster is provided by the Rancher MCP Server MCP server (lokimcpuniverse/rancher-mcp-server). 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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