align_vertex_to_loop · Blender MCP: Risk & Policy

WHAT IT DOES

What align_vertex_to_loop does on BlenderMCP

AI agents invoke align_vertex_to_loop to trigger actions in BlenderMCP. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why align_vertex_to_loop needs a policy

Based on the tool name, this likely manipulates vertex positions within Blender to align them to a loop, which constitutes an Execute-level action (triggering a Blender operation). However, with an empty description, confidence is low. Given the sibling tools context (3D modeling operations in Blender), this is likely a scene-modifying operation.

From the tool's definition Tool name: align_vertex_to_loop; description is empty/uninformative

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

align_vertex_to_loop Rate-limited

align_vertex_to_loop stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "align_vertex_to_loop": {
      "limits": [
        {
          "counter": "align_vertex_to_loop_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches BlenderMCP, so you can run agents against it safely.

FAQ

Questions about align_vertex_to_loop

What does the align_vertex_to_loop tool do? +

align_vertex_to_loop. It is categorised as a Execute tool in the BlenderMCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on align_vertex_to_loop? +

Register the Blender MCP server in PolicyLayer and add a rule for align_vertex_to_loop: 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 BlenderMCP. Nothing to install.

What risk level is align_vertex_to_loop? +

align_vertex_to_loop is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit align_vertex_to_loop? +

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

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

align_vertex_to_loop is provided by the Blender MCP server (shirshovdim/retopoflow_blender_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.