generate_style_guide · AI-Canvas MCP Server MCP

WHAT IT DOES

What generate_style_guide does on AI-Canvas MCP Server

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

WHY IT NEEDS A POLICY

Why generate_style_guide needs a policy

This tool creates (generates) a new design document artifact. Document generation is a Write operation since it produces new data that can be edited, deleted, or replaced. The severity is medium because while the generated style guide could influence downstream design decisions, it is not destructive, does not execute arbitrary code, and does not involve financial transactions.

From the tool's definition Tool description states 'Generate a visual style guide document' - the verb 'generate' indicates creation of new content/document that is reversible and modifiable.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generate_style_guide Rate-limited

generate_style_guide 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_style_guide": {
      "limits": [
        {
          "counter": "generate_style_guide_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 AI-Canvas MCP Server, so you can run agents against it safely.

FAQ

Questions about generate_style_guide

What does the generate_style_guide tool do? +

Generate a visual style guide document. It is categorised as a Write tool in the AI-Canvas MCP Server 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_style_guide? +

Register the AI-Canvas MCP Server MCP server in PolicyLayer and add a rule for generate_style_guide: 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 AI-Canvas MCP Server. Nothing to install.

What risk level is generate_style_guide? +

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

Can I rate-limit generate_style_guide? +

Yes. Add a rate_limit block to the generate_style_guide 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_style_guide completely? +

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

generate_style_guide is provided by the AI-Canvas MCP Server MCP server (laoluojuhai/ai-canvas). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.