affinity_delete_layer

THE RISK

Critical Risk

Why affinity_delete_layer needs a policy

The tool permanently removes layers from an Affinity Designer document without the ability to undo through the tool's parameters. Layer deletion in design applications cannot be reversed through normal tool usage and represents irreversible data loss. This is more severe than Write (reversible modifications) and qualifies as Destructive.

From the tool's definition Tool name contains 'delete' and description states 'Delete selected layer' - this is an irreversible removal of design content.

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

POLICY

How to control affinity_delete_layer

PolicyLayer is an MCP gateway — it sits between your AI agents and MCP Affinity Designer Server, and nothing reaches the server without passing your rules. This is the rule we recommend for affinity_delete_layer:

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "affinity_delete_layer"
  ]
}

affinity_delete_layer disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

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

RESTRICT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More MCP Affinity Designer Server tools

Execute affinity_execute_command Execute Affinity Designer automation command / Affinity Designer自動化コマンドを実行 Execute affinity_start_app Start Affinity Designer application / Affinity Designerアプリケーションを開始 Execute affinity_focus_window Focus the Affinity Designer window / Affinity Designerウィンドウにフォーカス Execute affinity_select_tool Select a specific tool in Affinity Designer / Affinity Designerで特定のツールを選択 Execute affinity_send_shortcut Send keyboard shortcut to Affinity Designer / Affinity Designerにキーボードショートカットを送信 Write affinity_new_document Create new document in Affinity Designer / Affinity Designerで新しいドキュメントを作成 Write affinity_toggle_layer_visibility Toggle layer visibility (show/hide) / レイヤーの表示/非表示を切り替え Write affinity_add_text Add text to the document / ドキュメントにテキストを追加

All 28 MCP Affinity Designer Server tools →

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Go deeper

Critical-risk tools in MCP Affinity Designer Server → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about affinity_delete_layer

What does the affinity_delete_layer tool do? +

Delete selected layer / 選択したレイヤーを削除. It is categorised as a Destructive tool in the MCP Affinity Designer Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on affinity_delete_layer? +

Register the MCP Affinity Designer Server MCP server in PolicyLayer and add a rule for affinity_delete_layer: 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 MCP Affinity Designer Server. Nothing to install.

What risk level is affinity_delete_layer? +

affinity_delete_layer is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit affinity_delete_layer? +

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

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

affinity_delete_layer is provided by the MCP Affinity Designer Server MCP server (szgk/mcp-affinity-designer). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MCP Affinity Designer Server tool call.

Start from MCP Affinity Designer Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →