Low Risk

show_sql_text_for_session

Display the full SQL text being executed by a specific session. Use this to see what query a session is running, especially useful when investigating blocking or performance issues. Requires sessionNo parameter. Returns the complete SQL statement text.

How to control show_sql_text_for_session ↓

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

AI agents call show_sql_text_for_session 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.

Low Risk

Why show_sql_text_for_session needs a policy

This tool retrieves SQL statement text from a session without altering, executing, or deleting anything. It is a read-only operation that queries existing session data. Severity is medium rather than low because exposing SQL text could reveal sensitive information (credentials in queries, proprietary logic, personal data), and unauthorized access could support malicious reconnaissance.

From the tool's definition Tool name and description: 'Display the full SQL text being executed by a specific session' - this retrieves and queries data without modification.

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

How to control show_sql_text_for_session

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_sql_text_for_session:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "show_sql_text_for_session": {}
  }
}

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

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

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Questions about show_sql_text_for_session

What does the show_sql_text_for_session tool do? +

Display the full SQL text being executed by a specific session. Use this to see what query a session is running, especially useful when investigating blocking or performance issues. Requires sessionNo parameter. Returns the complete SQL statement text. 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_sql_text_for_session? +

Register the Teradata Workload Management (WLM) MCP Server MCP server in PolicyLayer and add a rule for show_sql_text_for_session: 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_sql_text_for_session? +

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

Can I rate-limit show_sql_text_for_session? +

Yes. Add a rate_limit block to the show_sql_text_for_session 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_sql_text_for_session completely? +

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

show_sql_text_for_session 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.

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