AI agents use superset_user_update 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.
The tool performs a reversible modification (update) of user entities in Superset. While the description is empty, the name convention is clear: 'update' operations are Write category. Severity is high because modifying user records (permissions, roles, credentials, settings) can have broad impacts on system access and security, though it is not destructive, financial, or code execution.
From the tool's definition Tool name 'superset_user_update' indicates modification of user data. The '_update' suffix explicitly signals a write operation that modifies existing records.
Documented attack patterns abuse exactly the kind of access superset_user_update 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_user_update:
{
"version": "1",
"default": "deny",
"tools": {
"superset_user_update": {
"limits": [
{
"counter": "superset_user_update_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}superset_user_update 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.
superset_user_update. 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_user_update: 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_user_update 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_user_update 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_user_update. 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_user_update 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.
Free to start. No card required.
137 MCP Superset tools catalogued and risk-classified — across an index of 43,000+ MCP servers.