Remove users from a group without removing the rest.
AI agents use superset_group_remove_users to create or update resources in MCP Superset — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP Superset environment.
This tool removes user memberships from a group, which is a reversible modification (users can be re-added). It modifies access control/group membership data but does not delete the group itself or the users permanently. This falls under Write as it modifies existing data reversibly.
From the tool's definition Remove users from a group without removing the rest
Documented attack patterns abuse exactly the kind of access superset_group_remove_users gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and MCP Superset, and nothing reaches the server without passing your rules. This is the rule we recommend for superset_group_remove_users:
{
"version": "1",
"default": "deny",
"tools": {
"superset_group_remove_users": {
"limits": [
{
"counter": "superset_group_remove_users_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}superset_group_remove_users 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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Remove users from a group without removing the rest. It is categorised as a Write tool in the MCP Superset MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the MCP Superset MCP server in PolicyLayer and add a rule for superset_group_remove_users: 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 MCP Superset. Nothing to install.
superset_group_remove_users 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 superset_group_remove_users 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 superset_group_remove_users. 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.
superset_group_remove_users is provided by the MCP Superset MCP server (mcp-superset). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from MCP Superset, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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137 MCP Superset tools catalogued and risk-classified — across an index of 43,000+ MCP servers.