Provision an OAuth2 user (Ludus 2.0 only). Args: config: OAuth2 user configuration (e.g., email, provider details) Returns: Provisioned user information
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.
Provisioning creates a new user account with OAuth2 credentials, which is a Write operation (creating new data). The severity is high because creating user accounts with OAuth2 access to a cyber range environment grants significant access to potentially sensitive infrastructure.
From the tool's definition Provision an OAuth2 user
Documented attack patterns abuse exactly the kind of access provision_oauth2_user gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Ludus FastMCP, and nothing reaches the server without passing your rules. This is the rule we recommend for provision_oauth2_user:
{
"version": "1",
"default": "deny",
"tools": {
"provision_oauth2_user": {
"limits": [
{
"counter": "provision_oauth2_user_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}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.
Free to start. No card required.
Provision an OAuth2 user (Ludus 2.0 only). Args: config: OAuth2 user configuration (e.g., email, provider details) Returns: Provisioned user information. 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.
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.
provision_oauth2_user 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 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.
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.
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.
Deterministic rules across all 201 Ludus FastMCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
201 Ludus FastMCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.