get_viewport_screenshot
AI agents call get_viewport_screenshot to retrieve information from Sketchup Mcp2 without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves/captures the current state of the 3D viewport as an image without modifying any models, data, or SketchUp state. While the description is empty, the name strongly suggests a non-destructive read operation. The main risk would be information disclosure (viewing proprietary 3D models), but this is inherently limited in scope.
From the tool's definition Tool name 'get_viewport_screenshot' indicates retrieval of a visual representation (screenshot) of the current SketchUp viewport with no destructive or modifying operations.
Attacks that exploit this kind of access
get_viewport_screenshot. It is categorised as a Read tool in the Sketchup Mcp2 MCP Server, which means it retrieves data without modifying state.
Register the Sketchup Mcp2 MCP server in PolicyLayer and add a rule for get_viewport_screenshot: 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 Sketchup Mcp2. Nothing to install.
get_viewport_screenshot 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 get_viewport_screenshot 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 get_viewport_screenshot. 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.
get_viewport_screenshot is provided by the Sketchup Mcp2 MCP server (zinin/sketchup-mcp2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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