ft_setup_face_vertex_groups
A write tool on the Blender Copilot MCP server.
This record as markdown: /tools/dwgx-blender-copilot/ft-setup-face-vertex-groups.md
What ft_setup_face_vertex_groups does on Blender Copilot MCP Server
AI agents use ft_setup_face_vertex_groups 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 ft_setup_face_vertex_groups is rated Medium
The tool performs setup/creation of vertex groups for facial rigging, which modifies Blender scene data reversibly. This is a Write operation (creates or configures data structures). Severity is medium because misconfiguration could corrupt a model's rigging setup, requiring rework but not irreversible deletion.
From the tool's definition Tool name 'ft_setup_face_vertex_groups' indicates creation/configuration of vertex groups in Blender; sibling tools like 'add_cloth', 'add_constraint', 'add_modifier' establish this server's pattern of Write-category operations that modify scene structure.
Attacks that exploit this kind of access
The rule that runs ft_setup_face_vertex_groups 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 ft_setup_face_vertex_groups, this is the rule to start with:
ft_setup_face_vertex_groups 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 ft_setup_face_vertex_groups call is checked against it from then on.
Questions about ft_setup_face_vertex_groups
ft_setup_face_vertex_groups is a write tool on the Blender Copilot MCP Server MCP server. 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 ft_setup_face_vertex_groups: 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.
ft_setup_face_vertex_groups 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 ft_setup_face_vertex_groups 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 ft_setup_face_vertex_groups. 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.
ft_setup_face_vertex_groups 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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