entity_fillet

A write tool on the AutoCAD MCP Pro MCP server.

SERVERAutoCAD MCP Pro SOURCEu-c4n/autocad-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/u-c4n-autocad-mcp/entity-fillet.md

WHAT IT DOES

What entity_fillet does on AutoCAD MCP Pro

AI agents use entity_fillet to create or update resources in AutoCAD MCP Pro, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your AutoCAD MCP Pro environment.

RISK

Why entity_fillet is rated Medium

Filleting is a geometry modification operation in CAD that reshapes entities by adding rounded transitions. This is a Write-category action because it modifies existing geometry reversibly—the operation can be undone and does not permanently delete data. Severity is medium because misuse could corrupt CAD drawings or add unintended geometry to designs, affecting downstream manufacturing or construction.

From the tool's definition Tool name 'entity_fillet' suggests modification of CAD entities. No description provided, but 'fillet' is a standard AutoCAD operation that modifies geometry by rounding edges/corners.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs entity_fillet safely

PolicyLayer is an MCP gateway: it sits between your AI agents and AutoCAD MCP Pro, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For entity_fillet, this is the rule to start with:

entity_fillet Rate-limited

entity_fillet 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "entity_fillet": {
      "limits": [
        {
          "counter": "entity_fillet_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect AutoCAD MCP Pro, apply this rule, and every entity_fillet call is checked against it from then on.

FAQ

Questions about entity_fillet

What does the entity_fillet tool do? +

entity_fillet is a write tool on the AutoCAD MCP Pro MCP server. It is categorised as a Write tool in the AutoCAD MCP Pro MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on entity_fillet? +

Register the AutoCAD MCP Pro MCP server in PolicyLayer and add a rule for entity_fillet: 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 AutoCAD MCP Pro. Nothing to install.

What risk level is entity_fillet? +

entity_fillet is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit entity_fillet? +

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

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

entity_fillet is provided by the AutoCAD MCP Pro MCP server (u-c4n/autocad-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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