Capture a screenshot of the current Blender 3D viewport.
AI agents call get_viewport_screenshot to retrieve information from Blender MCP Router without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves visual state information from Blender's viewport without modifying any data, scene state, or objects. Screenshots are non-destructive queries of the current application state. The only risk is potential information disclosure if the viewport contains sensitive content, but this is a read operation with low severity impact.
From the tool's definition Tool name 'get_viewport_screenshot' and description 'Capture a screenshot of the current Blender 3D viewport' indicate a data retrieval operation with no side effects. The word 'Capture' and 'get_' prefix confirm read-only behavior.
Attacks that exploit this kind of access
Capture a screenshot of the current Blender 3D viewport. It is categorised as a Read tool in the Blender MCP Router MCP Server, which means it retrieves data without modifying state.
Register the Blender MCP Router 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 Blender MCP Router. 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 Blender MCP Router MCP server (mustafa-boorenie/blessed-mcp-server). 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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