generate_topic_wordcloud · TDZ C64 Knowledge MCP

WHAT IT DOES

What generate_topic_wordcloud does on TDZ C64 Knowledge

AI agents use generate_topic_wordcloud to create or update resources in TDZ C64 Knowledge — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your TDZ C64 Knowledge environment.

WHY IT NEEDS A POLICY

Why generate_topic_wordcloud needs a policy

While the tool reads topic data to generate the wordcloud, its primary action is creating and writing a new image file to disk. This is reversible (files can be deleted), so it falls under Write rather than Destructive.

From the tool's definition The tool description states it 'Creates an image file', which constitutes writing/creating data to storage. The visualization output is a new persistent artifact (image file) being generated and stored.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generate_topic_wordcloud Rate-limited

generate_topic_wordcloud 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": {
    "generate_topic_wordcloud": {
      "limits": [
        {
          "counter": "generate_topic_wordcloud_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 TDZ C64 Knowledge, so you can run agents against it safely.

FAQ

Questions about generate_topic_wordcloud

What does the generate_topic_wordcloud tool do? +

Generate word cloud visualization for a topic. Creates an image file showing the most important words in a topic with size proportional to their weights. It is categorised as a Write tool in the TDZ C64 Knowledge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on generate_topic_wordcloud? +

Register the TDZ C64 Knowledge MCP server in PolicyLayer and add a rule for generate_topic_wordcloud: 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 TDZ C64 Knowledge. Nothing to install.

What risk level is generate_topic_wordcloud? +

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

Can I rate-limit generate_topic_wordcloud? +

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

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

generate_topic_wordcloud is provided by the TDZ C64 Knowledge MCP server (michaeltroelsen/tdz-c64-knowledge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.