tool_delete_rubric_item

THE RISK

Critical Risk

Why tool_delete_rubric_item needs a policy

Deletion of rubric items is irreversible and directly impacts grading frameworks that instructors and TAs rely on. Removing rubric criteria can break existing grading workflows, affect consistency of graded submissions, and require manual remediation. The action cannot be undone programmatically.

From the tool's definition Tool name is 'tool_delete_rubric_item' with empty description. The verb 'delete' paired with 'rubric_item' in an educational grading context (Gradescope) indicates permanent removal of rubric criteria used in grading workflows.

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

POLICY

How to control tool_delete_rubric_item

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_delete_rubric_item:

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "tool_delete_rubric_item"
  ]
}

tool_delete_rubric_item disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

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.

RESTRICT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Gradescope MCP Server tools

Write tool_grade_answer_group tool_grade_answer_group Write tool_apply_grade tool_apply_grade Write tool_apply_grade_batch tool_apply_grade_batch Write tool_create_rubric_item tool_create_rubric_item Write tool_modify_assignment_dates tool_modify_assignment_dates Write tool_rename_assignment Rename an assignment on Gradescope. Write tool_set_extension tool_set_extension Write tool_update_rubric_item tool_update_rubric_item

All 37 Gradescope MCP Server tools →

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Go deeper

Critical-risk tools in Gradescope MCP Server → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about tool_delete_rubric_item

What does the tool_delete_rubric_item tool do? +

tool_delete_rubric_item. It is categorised as a Destructive tool in the Gradescope MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on tool_delete_rubric_item? +

Register the Gradescope MCP Server MCP server in PolicyLayer and add a rule for tool_delete_rubric_item: 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_delete_rubric_item? +

tool_delete_rubric_item is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit tool_delete_rubric_item? +

Yes. Add a rate_limit block to the tool_delete_rubric_item 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_delete_rubric_item completely? +

Set action: deny in the PolicyLayer policy for tool_delete_rubric_item. 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_delete_rubric_item? +

tool_delete_rubric_item 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 →