generate_wordcloud · Word Cloud MCP: Risk & Policy

WHAT IT DOES

What generate_wordcloud does on Word Cloud MCP

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

WHY IT NEEDS A POLICY

Why generate_wordcloud needs a policy

This is a Write operation—it creates new visualization files that are reversible and have no side effects beyond producing output artifacts. There is no data destruction, financial impact, code execution, or destructive modification.

From the tool's definition The tool generates and outputs a word cloud visualization ('generate_wordcloud'), which creates new visual artifacts based on input text.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generate_wordcloud Rate-limited

generate_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_wordcloud": {
      "limits": [
        {
          "counter": "generate_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 Word Cloud MCP, so you can run agents against it safely.

FAQ

Questions about generate_wordcloud

What does the generate_wordcloud tool do? +

根据文字内容生成词云图. It is categorised as a Write tool in the Word Cloud MCP 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_wordcloud? +

Register the Word Cloud MCP server in PolicyLayer and add a rule for generate_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 Word Cloud MCP. Nothing to install.

What risk level is generate_wordcloud? +

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

Can I rate-limit generate_wordcloud? +

Yes. Add a rate_limit block to the generate_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_wordcloud completely? +

Set action: deny in the PolicyLayer policy for generate_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_wordcloud? +

generate_wordcloud is provided by the Word Cloud MCP server (onepiecelwc/word-cloud-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.