列出所有定时任务
AI agents call list_schedules to retrieve information from MCP Reminder Service without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and lists existing scheduled reminders without creating, modifying, or deleting any data. It has no side effects and presents no risk of unintended damage if called by an AI agent. The blast radius is minimal—at worst, an agent gains visibility into scheduled reminders, which is a read-only operation.
From the tool's definition Tool name 'list_schedules' and description '列出所有定时任务' (list all scheduled tasks) indicate a query/retrieval operation with no modifications to data.
Attacks that exploit this kind of access
列出所有定时任务. It is categorised as a Read tool in the MCP Reminder Service MCP Server, which means it retrieves data without modifying state.
Register the MCP Reminder Service MCP server in PolicyLayer and add a rule for list_schedules: 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 MCP Reminder Service. Nothing to install.
list_schedules 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_schedules 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_schedules. 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_schedules is provided by the MCP Reminder Service MCP server (xiaohui/mcp_reminder). 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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