AI agents call deadlines to retrieve information from Moodle Connector without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries calendar and deadline information from Moodle without any side effects. It retrieves existing data for display/analysis purposes only, fitting the Read category. The low severity reflects minimal risk even if misused by an AI agent, as reading educational calendar data cannot cause financial loss, data destruction, or unauthorized state changes.
From the tool's definition Tool retrieves 'upcoming deadlines and calendar events' - a query operation with no modification, creation, or deletion of data.
Documented attack patterns abuse exactly the kind of access deadlines gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Moodle Connector, and nothing reaches the server without passing your rules. This is the rule we recommend for deadlines:
{
"version": "1",
"default": "deny",
"tools": {
"deadlines": {}
}
}deadlines is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get upcoming deadlines and calendar events. It is categorised as a Read tool in the Moodle Connector MCP Server, which means it retrieves data without modifying state.
Register the Moodle Connector MCP server in PolicyLayer and add a rule for deadlines: 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 Connector. Nothing to install.
deadlines 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 deadlines 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 deadlines. 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.
deadlines is provided by the Moodle Connector MCP server (jabir-srj/moodle-connector). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Moodle Connector, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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8 Moodle Connector tools catalogued and risk-classified — across an index of 43,000+ MCP servers.