figma_measurements

THE RISK

Medium Risk

Why figma_measurements needs a policy

This tool creates and modifies design measurements in Figma, which are reversible changes to design specifications. It does not execute arbitrary code, delete content, or move money. The blast radius is moderate—incorrect measurements could require manual correction but won't destroy designs or cause financial harm.

From the tool's definition Tool description states 'Add and manage spacing/sizing measurements for design specs' - the verbs 'add' and 'manage' indicate creation and modification of design elements. Server description confirms 'create, modify, and manage Figma designs programmatically.'

Documented attack patterns abuse exactly the kind of access figma_measurements gives an agent:

POLICY

How to control figma_measurements

PolicyLayer is an MCP gateway — it sits between your AI agents and Figma Mcp Write, and nothing reaches the server without passing your rules. This is the rule we recommend for figma_measurements:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "figma_measurements": {
      "limits": [
        {
          "counter": "figma_measurements_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

figma_measurements 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.

Create a free account and register Figma Mcp Write — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about figma_measurements

What does the figma_measurements tool do? +

Add and manage spacing/sizing measurements for design specs. It is categorised as a Write tool in the Figma Mcp Write MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on figma_measurements? +

Register the Figma Mcp Write MCP server in PolicyLayer and add a rule for figma_measurements: 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 Mcp Write. Nothing to install.

What risk level is figma_measurements? +

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

Can I rate-limit figma_measurements? +

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

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

figma_measurements is provided by the Figma Mcp Write MCP server (oo/figma-mcp-write-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Figma Mcp Write tool call.

Start from Figma Mcp Write, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →