AI agents invoke CancelAHORunBatch to trigger actions in Amazon EKS MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.
The name implies cancelling/stopping a batch execution (AHO likely refers to an AWS operation), which is an action that triggers an external operation. Without a description, confidence is low, but cancelling batch runs is typically an Execute-level action that could have significant operational impact. Severity is rated high due to potential disruption of batch workloads in EKS.
From the tool's definition Tool name 'CancelAHORunBatch' suggests cancelling a batch run operation; description is empty and uninformative.
Documented attack patterns abuse exactly the kind of access CancelAHORunBatch gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Amazon EKS MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for CancelAHORunBatch:
{
"version": "1",
"default": "deny",
"tools": {
"CancelAHORunBatch": {
"limits": [
{
"counter": "cancelahorunbatch_rate",
"window": "minute",
"max": 10,
"scope": "grant"
}
]
}
}
}CancelAHORunBatch stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
Free to start. No card required.
CancelAHORunBatch. It is categorised as a Execute tool in the Amazon EKS MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Amazon EKS MCP Server MCP server in PolicyLayer and add a rule for CancelAHORunBatch: 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 Amazon EKS MCP Server. Nothing to install.
CancelAHORunBatch is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the CancelAHORunBatch 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 CancelAHORunBatch. 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.
CancelAHORunBatch is provided by the Amazon EKS MCP Server MCP server (awslabs.eks-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Amazon EKS MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
805 Amazon EKS MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.