AI agents call get_time to retrieve information from Nonead Universal-Robots MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries robot uptime data from a specified IP address. It performs only a data retrieval operation without modifying, executing commands on, or affecting the robot's state. Uptime information is read-only operational metadata. No destructive, financial, or code execution occurs. The broader server context (motion control, task execution) is irrelevant to this specific tool's function.
From the tool's definition Tool name: 'get_time'; Description: 'retrieve[s] the uptime (in seconds) of a specified robot based on user-provided IP' — a retrieval operation with no side effects.
Documented attack patterns abuse exactly the kind of access get_time gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Nonead Universal-Robots MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_time:
{
"version": "1",
"default": "deny",
"tools": {
"get_time": {}
}
}get_time is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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根据用户提供的IP，获取指定机器人的开机时长(秒). It is categorised as a Read tool in the Nonead Universal-Robots MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Nonead Universal-Robots MCP Server MCP server in PolicyLayer and add a rule for get_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 Nonead Universal-Robots MCP Server. Nothing to install.
get_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 get_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 get_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.
get_time is provided by the Nonead Universal-Robots MCP Server MCP server (nonead/nonead-universal-robots-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Nonead Universal-Robots MCP Server, 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.
39 Nonead Universal-Robots MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.