获取当前时间(年-月-日 小时:分钟:秒)，可判断今天、昨天、前天、上周一等等时间语意
AI agents call current_time to retrieve information from Icost App without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool simply reads and returns the current system time. It has no side effects, does not modify any data, and cannot be misused to cause harm. It is a pure read operation used to interpret relative time expressions like 'today', 'yesterday', 'last Monday'.
From the tool's definition 获取当前时间 — 'retrieves current time (year-month-day hour:minute:second)'
Documented attack patterns abuse exactly the kind of access current_time gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Icost App, and nothing reaches the server without passing your rules. This is the rule we recommend for current_time:
{
"version": "1",
"default": "deny",
"tools": {
"current_time": {}
}
}current_time is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
获取当前时间(年-月-日 小时:分钟:秒)，可判断今天、昨天、前天、上周一等等时间语意. It is categorised as a Read tool in the Icost App MCP Server, which means it retrieves data without modifying state.
Register the Icost App MCP server in PolicyLayer and add a rule for current_time: 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 Icost App. Nothing to install.
current_time 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 current_time 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 current_time. 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.
current_time is provided by the Icost App MCP server (toolife/icost-app-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Icost App, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
4 Icost App tools catalogued and risk-classified — across an index of 43,000+ MCP servers.