Assign multiple users to groups based on attributes
AI agents use assign_users_to_groups to create or update resources in Okta MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Okta MCP Server environment.
assign_users_to_groups creates or modifies user-group associations, which are data relationships. The operation is reversible—users can be unassigned from groups—so it does not meet the Destructive threshold. The bulk assignment capability elevates severity from low to medium due to wider blast radius if criteria are misapplied, but this remains categorically a Write operation.
From the tool's definition Tool description states 'Assign multiple users to groups' which modifies group membership. This is a reversible operation (users can be removed from groups), and the bulk nature ('multiple users') increases the scope of potential misconfiguration but remains…
Documented attack patterns abuse exactly the kind of access assign_users_to_groups gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Okta MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for assign_users_to_groups:
{
"version": "1",
"default": "deny",
"tools": {
"assign_users_to_groups": {
"limits": [
{
"counter": "assign_users_to_groups_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}assign_users_to_groups 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.
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Assign multiple users to groups based on attributes. It is categorised as a Write tool in the Okta MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Okta MCP Server MCP server in PolicyLayer and add a rule for assign_users_to_groups: 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 Okta MCP Server. Nothing to install.
assign_users_to_groups 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 assign_users_to_groups 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 assign_users_to_groups. 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.
assign_users_to_groups is provided by the Okta MCP Server MCP server (kapilduraphe/okta-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Okta MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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21 Okta MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.