markup_calc
Calculate selling price from cost and markup percentage.
This record as markdown: /tools/io-github-scotia1973-bot-api-hub/markup-calc.md
What markup_calc does on GadgetHumans API Hub
AI agents call markup_calc 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 markup_calc is rated Low
This tool performs a mathematical calculation (selling price from cost and markup %) and returns a computed result. It has no side effects, does not store data, execute code, or involve financial transactions. It is purely a read/compute operation.
From the tool's definition Calculate selling price from cost and markup percentage
Attacks that exploit this kind of access
The rule that runs markup_calc 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 markup_calc, this is the rule to start with:
markup_calc 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 markup_calc call is checked against it from then on.
Questions about markup_calc
Calculate selling price from cost and markup percentage. 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 markup_calc: 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.
markup_calc 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 markup_calc 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 markup_calc. 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.
markup_calc 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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