Get assignments (dropbox folders) for a course: due date, instructions, attached problem sheets,
AI agents call get_assignments to retrieve information from Waterloo Learn without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves course assignment information without creating, modifying, deleting, or executing any operations. It is a read-only data retrieval function that presents existing course material to the user.
From the tool's definition Tool retrieves assignments data including due dates, instructions, and problem sheets with no modification capability indicated.
Attacks that exploit this kind of access
Get assignments (dropbox folders) for a course: due date, instructions, attached problem sheets,. It is categorised as a Read tool in the Waterloo Learn MCP Server, which means it retrieves data without modifying state.
Register the Waterloo Learn MCP server in PolicyLayer and add a rule for get_assignments: 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 Waterloo Learn. Nothing to install.
get_assignments 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 get_assignments 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 get_assignments. 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.
get_assignments is provided by the Waterloo Learn MCP server (petersenmatthew/waterloo-learn-mcp). 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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