Apply a previously simulated token change to the actual files. Cannot be undone without rollback.
AI agents call apply_token_change to permanently remove resources in Sunnyside Figma MCP — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The tool modifies actual files with changes that cannot be trivially undone (requires explicit rollback), making it irreversible in practical terms. The phrase 'cannot be undone without rollback' indicates this is a destructive, hard-to-reverse operation with high blast radius if misapplied across a design token system.
From the tool's definition "Apply a previously simulated token change to the actual files. Cannot be undone without rollback."
Documented attack patterns abuse exactly the kind of access apply_token_change gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Sunnyside Figma MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for apply_token_change:
{
"version": "1",
"default": "deny",
"hide": [
"apply_token_change"
]
}apply_token_change disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.
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Apply a previously simulated token change to the actual files. Cannot be undone without rollback. It is categorised as a Destructive tool in the Sunnyside Figma MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Sunnyside Figma MCP server in PolicyLayer and add a rule for apply_token_change: 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 Sunnyside Figma MCP. Nothing to install.
apply_token_change is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the apply_token_change 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.
Set action: deny in the PolicyLayer policy for apply_token_change. 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.
apply_token_change is provided by the Sunnyside Figma MCP server (tercumantanumut/sunnysidefigma-context-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 31 Sunnyside Figma MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
31 Sunnyside Figma MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.