actualizar_curso · Moodle MCP: Risk & Policy

WHAT IT DOES

What actualizar_curso does on Moodle

AI agents use actualizar_curso 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.

WHY IT NEEDS A POLICY

Why actualizar_curso needs a policy

This tool modifies course metadata but does not delete or irreversibly destroy data. Changes to course fields like name, summary, visibility, and category are reversible—they can be edited again. While the blast radius includes potential disruption to course organization and student access (via the 'visible' flag), the changes are not permanent or destructive.

From the tool's definition The tool description states it can 'Update one or more fields of a course' including visibility and category settings.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

actualizar_curso Rate-limited

actualizar_curso 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "actualizar_curso": {
      "limits": [
        {
          "counter": "actualizar_curso_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Moodle, so you can run agents against it safely.

FAQ

Questions about actualizar_curso

What does the actualizar_curso tool do? +

Update one or more fields of a course (fullname / shortname / summary / visible / lang / categoryid). At least one field is required. 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.

How do I enforce a policy on actualizar_curso? +

Register the Moodle MCP server in PolicyLayer and add a rule for actualizar_curso: 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 actualizar_curso? +

actualizar_curso is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit actualizar_curso? +

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

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

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