get_rubric

SERVERMoodle SOURCE@falkenslab/moodle-mcp

Low RISK CLASS

Category Read

Parameters 11 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/falkenslab-moodle-mcp/get-rubric.md

WHAT IT DOES

What get_rubric does on Moodle

AI agents call get_rubric to retrieve information from Moodle without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`assignmentId`	integer	Yes	The assignment's id (course module id), as list_assignments gives it

Parameters from the server's own tool schema.

RISK

Why get_rubric is rated Low

Even though get_rubric only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_rubric safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Moodle, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_rubric, this is the rule to start with:

get_rubric Allowed

get_rubric is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Moodle, apply this rule, and every get_rubric call is checked against it from then on.

FAQ

Questions about get_rubric

What does the get_rubric tool do? +

Read how an assignment is graded: simple (a grade or a scale), a rubric (criteria with their levels and scores) or a marking guide (criteria with their maximum score). The criterion and level ids are what grade_submission's fields take. Takes the assignment id from list_assignments; needs at least one participant. It is categorised as a Read tool in the Moodle MCP Server, which means it retrieves data without modifying state.

What parameters does get_rubric accept? +

get_rubric accepts 1 parameter: assignmentId. Required: assignmentId. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on get_rubric? +

Register the Moodle MCP server in PolicyLayer and add a rule for get_rubric: 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 Moodle. Nothing to install.

What risk level is get_rubric? +

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

Can I rate-limit get_rubric? +

Yes. Add a rate_limit block to the get_rubric 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 get_rubric completely? +

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

get_rubric is provided by the Moodle MCP server (@falkenslab/moodle-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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