set_quiz_override
Give a participant their own quiz settings, as the quiz's user overrides do: open and close dates, time limit in minutes, or number of attempts (0 unlimited); what isn't given stays the quiz's. Takes the participant as list_participants gives them. Confirm with the person first.
This record as markdown: /tools/falkenslab-moodle-mcp/set-quiz-override.md
What set_quiz_override does on Moodle
AI agents use set_quiz_override to create or update resources in Moodle, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Moodle environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
open | string | — | ISO 8601 |
user | string | — | The participant's alias, as the reading tools give it when the server pseudonymizes |
close | string | — | ISO 8601 |
quizId | integer | Yes | The quiz's id (course module id) |
userId | integer | — | The participant's user id, when the server shows names |
attempts | integer | — | 0 for unlimited |
timeLimitMinutes | integer | — |
Parameters from the server's own tool schema.
Why set_quiz_override is rated Medium
An AI agent can call set_quiz_override faster than any human can review: one bad instruction and it creates or modifies resources in Moodle by the hundred, each call as confident as the last.
Attacks that exploit this kind of access
The rule that runs set_quiz_override 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 set_quiz_override, this is the rule to start with:
set_quiz_override stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Moodle, apply this rule, and every set_quiz_override call is checked against it from then on.
Questions about set_quiz_override
Give a participant their own quiz settings, as the quiz's user overrides do: open and close dates, time limit in minutes, or number of attempts (0 unlimited); what isn't given stays the quiz's. Takes the participant as list_participants gives them. Confirm with the person first. It is categorised as a Write tool in the Moodle MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
set_quiz_override accepts 7 parameters: open, user, close, quizId, userId, attempts, timeLimitMinutes. Required: quizId. The full parameter table on this page comes from the server's own tool schema.
Register the Moodle MCP server in PolicyLayer and add a rule for set_quiz_override: 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.
set_quiz_override is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the set_quiz_override 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 set_quiz_override. 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.
set_quiz_override 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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