modifier_apply_all
Apply all modifiers on an object in stack order.
This record as markdown: /tools/dwgx-blender-copilot/modifier-apply-all.md
What modifier_apply_all does on Blender Copilot MCP Server
AI agents use modifier_apply_all to create or update resources in Blender Copilot MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Blender Copilot MCP Server environment.
Why modifier_apply_all is rated Medium
This tool modifies object geometry by applying (baking) modifiers, which transforms the mesh permanently within the current session. While Blender's undo system can reverse this, the action itself is a material alteration of object data. It does not delete/destroy the object or create financial obligations, so it falls under Write rather than Destructive.
From the tool's definition Tool name 'modifier_apply_all' and description 'Apply all modifiers on an object in stack order' indicate permanent modification of 3D geometry/mesh data.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
The rule that runs modifier_apply_all safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Blender Copilot MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For modifier_apply_all, this is the rule to start with:
modifier_apply_all 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Blender Copilot MCP Server, apply this rule, and every modifier_apply_all call is checked against it from then on.
Questions about modifier_apply_all
Apply all modifiers on an object in stack order. It is categorised as a Write tool in the Blender Copilot MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Blender Copilot MCP Server MCP server in PolicyLayer and add a rule for modifier_apply_all: 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 Blender Copilot MCP Server. Nothing to install.
modifier_apply_all is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the modifier_apply_all 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 modifier_apply_all. 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.
modifier_apply_all is provided by the Blender Copilot MCP Server MCP server (dwgx/blender-copilot). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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