rhino_annotation_scale_bar
Draw a divided scale bar with a label.
This record as markdown: /tools/easehee-rhino-mcp/rhino-annotation-scale-bar.md
What rhino_annotation_scale_bar does on Rhino
AI agents invoke rhino_annotation_scale_bar to trigger actions in Rhino. 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 rhino_annotation_scale_bar is rated High
Creating geometry or annotations in Rhino is an Execute action—it runs a command with observable effects in the CAD environment. While not destructive or financial, it is not a simple read (query), nor a reversible write—drawing operations are immediate executions in external software.
From the tool's definition Tool performs a drawing operation in Rhino geometry software via "Draw a divided scale bar with a label." This creates visual objects in the Rhino modeling environment.
Attacks that exploit this kind of access
The rule that runs rhino_annotation_scale_bar safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Rhino, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For rhino_annotation_scale_bar, this is the rule to start with:
rhino_annotation_scale_bar 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Rhino, apply this rule, and every rhino_annotation_scale_bar call is checked against it from then on.
Questions about rhino_annotation_scale_bar
Draw a divided scale bar with a label. It is categorised as a Execute tool in the Rhino MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Rhino MCP server in PolicyLayer and add a rule for rhino_annotation_scale_bar: 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 Rhino. Nothing to install.
rhino_annotation_scale_bar is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the rhino_annotation_scale_bar 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 rhino_annotation_scale_bar. 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.
rhino_annotation_scale_bar is provided by the Rhino MCP server (easehee/rhino-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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