Calculate GPA from a list of grades. Input: [{'credit_hours': 3, 'grade': 'A'}, ...]
AI agents call calculate_gpa to retrieve information from UAAR University MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool accepts grade data as input and computes a GPA metric without any side effects. It retrieves no external data, modifies no records, and performs no irreversible actions. It is a simple mathematical computation utility, making it a Read category tool with low severity risk.
From the tool's definition Tool name 'calculate_gpa' and description indicate a computational operation that reads input grades and returns a calculated GPA value.
Documented attack patterns abuse exactly the kind of access calculate_gpa gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and UAAR University MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for calculate_gpa:
{
"version": "1",
"default": "deny",
"tools": {
"calculate_gpa": {}
}
}calculate_gpa is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Calculate GPA from a list of grades. Input: [{'credit_hours': 3, 'grade': 'A'}, ...]. It is categorised as a Read tool in the UAAR University MCP Server MCP Server, which means it retrieves data without modifying state.
Register the UAAR University MCP Server MCP server in PolicyLayer and add a rule for calculate_gpa: 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 UAAR University MCP Server. Nothing to install.
calculate_gpa 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_gpa 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_gpa. 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_gpa is provided by the UAAR University MCP Server MCP server (saramali15792/instituaionmcpserver). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from UAAR University MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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53 UAAR University MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.