discount_calculator
Calculate the final price after a discount (percentage or fixed amount).
This record as markdown: /tools/io-github-scotia1973-bot-api-hub/discount-calculator.md
What discount_calculator does on GadgetHumans API Hub
AI agents call discount_calculator to retrieve information from GadgetHumans API Hub without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why discount_calculator is rated Low
This is a pure computational utility that reads input values and returns a calculated output. There is no data persistence, no code execution beyond arithmetic, no destructive operations, and no financial transaction execution—it merely performs a mathematical calculation. It belongs in the Read category as a stateless query tool.
From the tool's definition Tool is named 'discount_calculator' and described as calculating 'the final price after a discount'. It performs a mathematical computation based on input parameters (original price, discount amount/percentage) and returns a calculated result without…
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The rule that runs discount_calculator safely
PolicyLayer is an MCP gateway: it sits between your AI agents and GadgetHumans API Hub, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For discount_calculator, this is the rule to start with:
discount_calculator 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 GadgetHumans API Hub, apply this rule, and every discount_calculator call is checked against it from then on.
Questions about discount_calculator
Calculate the final price after a discount (percentage or fixed amount). It is categorised as a Read tool in the GadgetHumans API Hub MCP Server, which means it retrieves data without modifying state.
Register the GadgetHumans API Hub MCP server in PolicyLayer and add a rule for discount_calculator: 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 GadgetHumans API Hub. Nothing to install.
discount_calculator 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 discount_calculator 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 discount_calculator. 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.
discount_calculator is provided by the GadgetHumans API Hub MCP server (pypi:gadgethumans-api-hub-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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