svg_create · SVG Canvas MCP: Risk & Policy

WHAT IT DOES

What svg_create does on SVG Canvas MCP

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

WHY IT NEEDS A POLICY

Why svg_create needs a policy

This tool creates a new SVG canvas, which is a reversible write operation. It generates new data without executing arbitrary code, deleting existing data, or causing financial impact. The blast radius is minimal since SVG creation is a standard design operation with no side effects beyond the intended canvas creation.

From the tool's definition Tool name 'svg_create' and description '새 SVG 캔버스를 생성합니다' (creates a new SVG canvas) indicates creation of new data/assets.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

svg_create Rate-limited

svg_create 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": {
    "svg_create": {
      "limits": [
        {
          "counter": "svg_create_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 SVG Canvas MCP, so you can run agents against it safely.

FAQ

Questions about svg_create

What does the svg_create tool do? +

새 SVG 캔버스를 생성합니다. It is categorised as a Write tool in the SVG Canvas 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 svg_create? +

Register the SVG Canvas MCP server in PolicyLayer and add a rule for svg_create: 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 SVG Canvas MCP. Nothing to install.

What risk level is svg_create? +

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

Can I rate-limit svg_create? +

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

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

svg_create is provided by the SVG Canvas MCP server (kim62210/svg-canvas-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.