get_alarm_history
AI agents call get_alarm_history to retrieve information from Awslabs Valkey without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name and semantic purpose suggest querying or retrieving alarm history records from ElastiCache/MemoryDB monitoring. This is a read-only operation that retrieves data without side effects. No write, execute, delete, or financial operations are implied. The empty description prevents full certainty, but the naming convention strongly indicates a read operation querying historical alarm state.
From the tool's definition Tool name 'get_alarm_history' indicates retrieval of historical alarm data with no modification capability. Description is empty, limiting certainty.
Attacks that exploit this kind of access
get_alarm_history. It is categorised as a Read tool in the Awslabs Valkey MCP Server, which means it retrieves data without modifying state.
Register the Awslabs Valkey MCP server in PolicyLayer and add a rule for get_alarm_history: 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 Awslabs Valkey. Nothing to install.
get_alarm_history 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_alarm_history 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_alarm_history. 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_alarm_history is provided by the Awslabs Valkey MCP server (awslabs.valkey-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.