create_design_pr · Figma to React MCP: Risk & Policy

WHAT IT DOES

What create_design_pr does on Figma to React MCP

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

WHY IT NEEDS A POLICY

Why create_design_pr needs a policy

This tool performs a write operation by creating a pull request (data modification in GitHub), but does not irreversibly delete data or execute arbitrary code with unpredictable side effects. While it does trigger downstream GitHub workflows, the primary action is creating/writing a PR.

From the tool's definition The tool 'create_design_pr' creates a GitHub pull request with generated component code and test results. Creating a PR is a write operation that commits code changes to a repository, modifying the state of the codebase and potentially affecting CI/CD…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_design_pr Rate-limited

create_design_pr 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_design_pr": {
      "limits": [
        {
          "counter": "create_design_pr_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 Figma to React MCP, so you can run agents against it safely.

FAQ

Questions about create_design_pr

What does the create_design_pr tool do? +

Create GitHub PR with generated component and test results. It is categorised as a Write tool in the Figma to React 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 create_design_pr? +

Register the Figma to React MCP server in PolicyLayer and add a rule for create_design_pr: 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 Figma to React MCP. Nothing to install.

What risk level is create_design_pr? +

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

Can I rate-limit create_design_pr? +

Yes. Add a rate_limit block to the create_design_pr 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_design_pr completely? +

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

create_design_pr is provided by the Figma to React MCP server (surisagar900/figma-to-react-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.