create_cardnews_from_text · Cardnews MCP: Risk & Policy

WHAT IT DOES

What create_cardnews_from_text does on Cardnews

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

WHY IT NEEDS A POLICY

Why create_cardnews_from_text needs a policy

This tool creates and writes new visual content (HTML+PNG infographic cards) from input text. It does not execute arbitrary code, delete data, or move money. The output is reversible (files can be deleted).

From the tool's definition Tool description states it 'generates' (생성한다) infographic cards in HTML+PNG format, creating new artifacts (1 card with 6 sections and 5 pills). The server description confirms it uses LLM and Puppeteer to 'render' and produce output files.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_cardnews_from_text Rate-limited

create_cardnews_from_text 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": {
    "create_cardnews_from_text": {
      "limits": [
        {
          "counter": "create_cardnews_from_text_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 Cardnews, so you can run agents against it safely.

FAQ

Questions about create_cardnews_from_text

What does the create_cardnews_from_text tool do? +

자막/텍스트 문자열로부터 1080x1620 인포그래픽 카드뉴스(HTML + PNG) 1장을 생성한다. 섹션 6개·요약바 pill 5개. It is categorised as a Write tool in the Cardnews MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_cardnews_from_text? +

Register the Cardnews MCP server in PolicyLayer and add a rule for create_cardnews_from_text: 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 Cardnews. Nothing to install.

What risk level is create_cardnews_from_text? +

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

Can I rate-limit create_cardnews_from_text? +

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

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

create_cardnews_from_text is provided by the Cardnews MCP server (leedonwoo2827-ship-it/cardnews-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.