Check for services approaching or exceeding limits
AI agents call check_alerts to retrieve information from Cursor Pro Limits MCP Server 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 check of alert statuses related to usage limits. It retrieves information about whether services are approaching quotas but does not create alerts, modify subscriptions, execute code, delete data, or transfer funds. The operation has no side effects and falls squarely into the Read category with low severity due to the benign nature of accessing usage and alert information.
From the tool's definition Tool name 'check_alerts' and description 'Check for services approaching or exceeding limits' indicate a query operation that retrieves alert status without modifying any data or triggering external actions.
Attacks that exploit this kind of access
Check for services approaching or exceeding limits. It is categorised as a Read tool in the Cursor Pro Limits MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Cursor Pro Limits MCP Server MCP server in PolicyLayer and add a rule for check_alerts: 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 Cursor Pro Limits MCP Server. Nothing to install.
check_alerts 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 check_alerts 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 check_alerts. 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.
check_alerts is provided by the Cursor Pro Limits MCP Server MCP server (mehmetfiskindal/cursor-pro-limits-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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