Lists all IPs currently under mitigation (protected zones).
AI agents call list_active_mitigations to retrieve information from A10 Guardian without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only retrieval of status information about active mitigations. It queries the current state of protected IPs but does not modify, delete, or execute any operations. While the underlying A10 DDoS mitigation context is security-sensitive, the tool itself has no side effects—it only lists existing mitigations.
From the tool's definition Tool name 'list_active_mitigations' and description 'Lists all IPs currently under mitigation' indicate a query operation that retrieves information about protected zones without modifying, deleting, or executing any operations.
Attacks that exploit this kind of access
Lists all IPs currently under mitigation (protected zones). It is categorised as a Read tool in the A10 Guardian MCP Server, which means it retrieves data without modifying state.
Register the A10 Guardian MCP server in PolicyLayer and add a rule for list_active_mitigations: 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 A10 Guardian. Nothing to install.
list_active_mitigations 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 list_active_mitigations 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 list_active_mitigations. 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.
list_active_mitigations is provided by the A10 Guardian MCP server (opastorello/a10-guardian). 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.
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