calculate_energy_rental_price
Calculate the cost to rent a specific amount of energy for a given duration.
This record as markdown: /tools/justlend-mcp-server-justlend/calculate-energy-rental-price.md
What calculate_energy_rental_price does on Justlend
AI agents call calculate_energy_rental_price to retrieve information from Justlend without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why calculate_energy_rental_price is rated Low
This tool performs a cost estimation or pricing lookup for TRON energy rentals. It takes parameters (energy amount, duration) and returns a calculated price. No state is modified, no code is executed, no transactions occur, and no financial movements are initiated—it is purely informational. This is a Read operation.
From the tool's definition Tool name 'calculate_energy_rental_price' and description 'Calculate the cost to rent a specific amount of energy for a given duration' indicate a read-only calculation that retrieves pricing information without modifying state, executing transactions, or…
Attacks that exploit this kind of access
The rule that runs calculate_energy_rental_price safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Justlend, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For calculate_energy_rental_price, this is the rule to start with:
calculate_energy_rental_price is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Justlend, apply this rule, and every calculate_energy_rental_price call is checked against it from then on.
Questions about calculate_energy_rental_price
Calculate the cost to rent a specific amount of energy for a given duration. It is categorised as a Read tool in the Justlend MCP Server, which means it retrieves data without modifying state.
Register the Justlend MCP server in PolicyLayer and add a rule for calculate_energy_rental_price: 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 Justlend. Nothing to install.
calculate_energy_rental_price 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 calculate_energy_rental_price 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 calculate_energy_rental_price. 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.
calculate_energy_rental_price is provided by the Justlend MCP server (justlend/mcp-server-justlend). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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