dimension_diameter
A write tool on the AutoCAD MCP Pro MCP server.
This record as markdown: /tools/u-c4n-autocad-mcp/dimension-diameter.md
What dimension_diameter does on AutoCAD MCP Pro
AI agents use dimension_diameter 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.
Why dimension_diameter is rated Medium
The tool appears to create or modify dimension annotations in AutoCAD drawings. Dimensions are modifiable drawing elements (Write category), not destructive operations. The severity is medium because misuse could corrupt or clutter drawings but changes are reversible through undo/deletion.
From the tool's definition Tool name 'dimension_diameter' combined with sibling tools like 'block_create_from_entities' and 'entity modification' capabilities indicate drawing modification operations. The server description explicitly mentions 'entity modification' as a core capability.
Attacks that exploit this kind of access
The rule that runs dimension_diameter 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 dimension_diameter, this is the rule to start with:
dimension_diameter 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 AutoCAD MCP Pro, apply this rule, and every dimension_diameter call is checked against it from then on.
Questions about dimension_diameter
dimension_diameter 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.
Register the AutoCAD MCP Pro MCP server in PolicyLayer and add a rule for dimension_diameter: 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.
dimension_diameter 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 dimension_diameter 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 dimension_diameter. 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.
dimension_diameter 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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