获取单个任务详情
AI agents call cron_get to retrieve information from MCP Cron Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about a single scheduled cron job. It performs a query/get operation with no side effects—it does not create, modify, delete, or execute tasks. The sibling tools like cron_add, cron_remove, cron_approve, and cron_list_executions handle those actions. This is purely informational, placing it in the Read category with low severity.
From the tool's definition Tool name 'cron_get' and description '获取单个任务详情' (retrieve single task details) indicate data retrieval without modification or execution.
Attacks that exploit this kind of access
获取单个任务详情. It is categorised as a Read tool in the MCP Cron Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Cron Server MCP server in PolicyLayer and add a rule for cron_get: 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 Cron Server. Nothing to install.
cron_get 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 cron_get 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 cron_get. 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.
cron_get is provided by the MCP Cron Server MCP server (nolan57/opencode-mcp-cron). 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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