provision_oauth2_user

Provision an OAuth2 user (Ludus 2.0 only).

SERVERLudus FastMCP SOURCEtjnull/ludus-fastmcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/tjnull-ludus-fastmcp/provision-oauth2-user.md

WHAT IT DOES

What provision_oauth2_user does on Ludus FastMCP

AI agents use provision_oauth2_user to create or update resources in Ludus FastMCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ludus FastMCP environment.

RISK

Why provision_oauth2_user is rated Medium

Provisioning a user creates a new account/identity in the system, which is a reversible write operation (users can be deleted). It does not execute code, destroy data, or involve finances. Severity is medium because creating unauthorized accounts could grant access to the cyber range environment.

From the tool's definition Provision an OAuth2 user

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs provision_oauth2_user safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Ludus FastMCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For provision_oauth2_user, this is the rule to start with:

provision_oauth2_user Rate-limited

provision_oauth2_user 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": {
    "provision_oauth2_user": {
      "limits": [
        {
          "counter": "provision_oauth2_user_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Ludus FastMCP, apply this rule, and every provision_oauth2_user call is checked against it from then on.

FAQ

Questions about provision_oauth2_user

What does the provision_oauth2_user tool do? +

Provision an OAuth2 user (Ludus 2.0 only). It is categorised as a Write tool in the Ludus FastMCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on provision_oauth2_user? +

Register the Ludus Fast MCP server in PolicyLayer and add a rule for provision_oauth2_user: 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 Ludus FastMCP. Nothing to install.

What risk level is provision_oauth2_user? +

provision_oauth2_user is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit provision_oauth2_user? +

Yes. Add a rate_limit block to the provision_oauth2_user 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 provision_oauth2_user completely? +

Set action: deny in the PolicyLayer policy for provision_oauth2_user. 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 provision_oauth2_user? +

provision_oauth2_user is provided by the Ludus Fast MCP server (tjnull/ludus-fastmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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