This record as markdown: /tools/easehee-rhino-mcp/rhino-distance.md
What rhino_distance does on Rhino
AI agents call rhino_distance to retrieve information from Rhino without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why rhino_distance is rated Low
This tool performs a mathematical computation (distance between two points) and returns a result. It does not modify, create, delete, or execute anything. It is a pure read/query operation with minimal blast radius.
From the tool's definition 'Euclidean distance between two points' — purely a geometric calculation that retrieves/computes a value with no side effects
Attacks that exploit this kind of access
The rule that runs rhino_distance 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_distance, this is the rule to start with:
rhino_distance is read-only, so it stays allowed. 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_distance call is checked against it from then on.
Questions about rhino_distance
Euclidean distance between two points. It is categorised as a Read tool in the Rhino MCP Server, which means it retrieves data without modifying state.
Register the Rhino MCP server in PolicyLayer and add a rule for rhino_distance: 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_distance is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the rhino_distance 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_distance. 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_distance 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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