set_user_attribute_group_values · Looker MCP Server MCP

WHAT IT DOES

What set_user_attribute_group_values does on Looker MCP Server

AI agents use set_user_attribute_group_values to create or update resources in Looker MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Looker MCP Server environment.

WHY IT NEEDS A POLICY

Why set_user_attribute_group_values needs a policy

This tool modifies user attributes and group memberships, which are reversible changes (users can be moved between groups or have attributes reset). This is Write-category functionality rather than Destructive since group memberships can be undone.

From the tool's definition Tool name 'set_user_attribute_group_values' indicates modification of user attributes and group associations. Combined with Looker MCP Server's stated capability to 'administer users', this tool creates or modifies user-group relationships.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_user_attribute_group_values Rate-limited

set_user_attribute_group_values 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": {
    "set_user_attribute_group_values": {
      "limits": [
        {
          "counter": "set_user_attribute_group_values_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Looker MCP Server, so you can run agents against it safely.

FAQ

Questions about set_user_attribute_group_values

What does the set_user_attribute_group_values tool do? +

set_user_attribute_group_values. It is categorised as a Write tool in the Looker MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_user_attribute_group_values? +

Register the Looker MCP Server MCP server in PolicyLayer and add a rule for set_user_attribute_group_values: 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 Looker MCP Server. Nothing to install.

What risk level is set_user_attribute_group_values? +

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

Can I rate-limit set_user_attribute_group_values? +

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

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

set_user_attribute_group_values is provided by the Looker MCP Server MCP server (ultrathink-solutions/looker-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.