tool_get_assignment_submissions

THE RISK

Low Risk

Why tool_get_assignment_submissions needs a policy

This tool retrieves student submissions without modifying them. However, it accesses potentially sensitive educational data (student work, personal information embedded in submissions), which warrants medium severity due to privacy concerns if misused by an unauthorized agent.

From the tool's definition Tool name 'tool_get_assignment_submissions' indicates retrieval of student submission data. The prefix 'get_' and suffix 'submissions' suggest a read-only query operation.

Documented attack patterns abuse exactly the kind of access tool_get_assignment_submissions gives an agent:

POLICY

How to control tool_get_assignment_submissions

PolicyLayer is an MCP gateway — it sits between your AI agents and Gradescope MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for tool_get_assignment_submissions:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "tool_get_assignment_submissions": {}
  }
}

tool_get_assignment_submissions is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Gradescope MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

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FAQ

Questions about tool_get_assignment_submissions

What does the tool_get_assignment_submissions tool do? +

tool_get_assignment_submissions. It is categorised as a Read tool in the Gradescope MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on tool_get_assignment_submissions? +

Register the Gradescope MCP Server MCP server in PolicyLayer and add a rule for tool_get_assignment_submissions: 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 Gradescope MCP Server. Nothing to install.

What risk level is tool_get_assignment_submissions? +

tool_get_assignment_submissions is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit tool_get_assignment_submissions? +

Yes. Add a rate_limit block to the tool_get_assignment_submissions 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.

How do I block tool_get_assignment_submissions completely? +

Set action: deny in the PolicyLayer policy for tool_get_assignment_submissions. 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.

What MCP server provides tool_get_assignment_submissions? +

tool_get_assignment_submissions is provided by the Gradescope MCP Server MCP server (yuanpeng-li/gradescope-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Gradescope MCP Server tool call.

Start from Gradescope MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →