path_create · SVG Canvas MCP: Risk & Policy

WHAT IT DOES

What path_create does on SVG Canvas MCP

AI agents use path_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 path_create needs a policy

This tool creates new SVG path objects, which is a reversible write operation. The path can be modified, deleted, or overwritten later. It does not execute arbitrary code, delete data irreversibly, or cause financial transactions. The blast radius is low because path creation in a graphics editor is a normal, bounded operation with no side effects beyond the SVG document being edited.

From the tool's definition Tool name 'path_create' and description indicate it 'starts a new path builder' for SVG graphic creation. The description (in Korean) states it begins a path that is then completed with 'path_finish', indicating creation of graphic elements within an SVG…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

path_create Rate-limited

path_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": {
    "path_create": {
      "limits": [
        {
          "counter": "path_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 path_create

What does the path_create tool do? +

새 패스 빌더를 시작합니다. path_lineto, path_curveto 등으로 경로를 추가한 후 path_finish로 완료합니다. 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 path_create? +

Register the SVG Canvas MCP server in PolicyLayer and add a rule for path_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 path_create? +

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

Can I rate-limit path_create? +

Yes. Add a rate_limit block to the path_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 path_create completely? +

Set action: deny in the PolicyLayer policy for path_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 path_create? +

path_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.