show_top_users | PolicyLayer

WHAT IT DOES

What show_top_users does on Teradata Workload Management (WLM) MCP Server

AI agents call show_top_users to retrieve information from Teradata Workload Management (WLM) MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why show_top_users needs a policy

This tool retrieves and displays system resource consumption metrics for users. It has no side effects—it queries existing monitoring data and presents it without modifying state, executing code, deleting data, or moving money. This is a straightforward informational read operation typical of monitoring and observability tools.

From the tool's definition Tool name 'show_top_users' combined with description 'Display users consuming the most system resources' indicates a read-only query that retrieves and presents monitoring data without modification or execution of external operations.

Documented attack patterns abuse exactly the kind of access show_top_users gives an agent:

POLICY

How to control show_top_users

PolicyLayer is an MCP gateway — it sits between your AI agents and Teradata Workload Management (WLM) MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for show_top_users:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "show_top_users": {}
  }
}

show_top_users is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Teradata Workload Management (WLM) MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

More Teradata Workload Management (WLM) MCP Server tools

Destructive abort_delayed_request CANCEL and permanently abort a delayed query in the queue. The query will not execute and Destructive delete_filter PERMANENTLY DELETE a filter rule. REQUIRES: ruleset_name, filter_name. CHANGES REQUIRE ACT Destructive delete_throttle PERMANENTLY DELETE a throttle rule from the ruleset configuration. REQUIRES: ruleset_name, Destructive abort_sessions_user TERMINATES all active sessions for a specified user. This immediately kills all running qu Execute release_delay_queue Release a delayed query from the queue, allowing it to execute immediately. Use this to ma Execute activate_ruleset ACTIVATE a ruleset to apply ALL pending configuration changes to the live system. MUST BE Write add_classification_to_rule Add classification criteria to an existing rule (throttle, filter, or workload). Classific Write add_subcriteria_to_target Add sub-criteria to a target classification for advanced rule targeting. Sub-criteria type

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about show_top_users

What does the show_top_users tool do? +

Display users consuming the most system resources. Valid types:. It is categorised as a Read tool in the Teradata Workload Management (WLM) MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on show_top_users? +

Register the Teradata Workload Management (WLM) MCP Server MCP server in PolicyLayer and add a rule for show_top_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 Teradata Workload Management (WLM) MCP Server. Nothing to install.

What risk level is show_top_users? +

show_top_users is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit show_top_users? +

Yes. Add a rate_limit block to the show_top_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.

How do I block show_top_users completely? +

Set action: deny in the PolicyLayer policy for show_top_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.

What MCP server provides show_top_users? +

show_top_users is provided by the Teradata Workload Management (WLM) MCP Server MCP server (teradata-labs/mcp-server-teradata-wlm). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Teradata Workload Management (WLM) MCP Server tool call.

Start from Teradata Workload Management (WLM) 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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41 Teradata Workload Management (WLM) MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.