Find the cheapest hours to use electricity today/tomorrow. Useful for scheduling EV charging, laundry, dishwasher, heat pumps, etc.
AI agents call cheapest_hours to retrieve information from Mcp Danish Energy without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and analyzes historical or forecast energy pricing data to provide informational recommendations. It has no side effects on the grid, user systems, or energy consumption—it only reads data and performs calculation/aggregation. The scheduling is performed by the user based on returned information, not by the tool itself.
From the tool's definition The tool description states it 'Find[s] the cheapest hours' and is for 'scheduling' tasks. It queries energy price data to identify optimal time windows, with no capability to modify, delete, or execute external operations.
Attacks that exploit this kind of access
Find the cheapest hours to use electricity today/tomorrow. Useful for scheduling EV charging, laundry, dishwasher, heat pumps, etc. It is categorised as a Read tool in the Mcp Danish Energy MCP Server, which means it retrieves data without modifying state.
Register the Mcp Danish Energy MCP server in PolicyLayer and add a rule for cheapest_hours: 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 Danish Energy. Nothing to install.
cheapest_hours 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 cheapest_hours 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 cheapest_hours. 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.
cheapest_hours is provided by the Mcp Danish Energy MCP server (robobobby/mcp-danish-energy). 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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