unity_graphics_asset_preview
Get a visual preview thumbnail of any Unity asset (prefab, material, texture, mesh, etc.) as an inline image. Returns base64 PNG image that Claude can see directly.
This record as markdown: /tools/anklebreaker-studio-unity-mcp-server/unity-graphics-asset-preview.md
What unity_graphics_asset_preview does on Unity MCP Server
AI agents call unity_graphics_asset_preview to retrieve information from Unity MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why unity_graphics_asset_preview is rated Low
This tool retrieves visual data (thumbnail preview) of existing Unity assets without creating, modifying, executing code, deleting, or performing financial operations. It is a straightforward query operation that generates a visual representation of an asset. The thumbnail generation is a side-effect of reading, not a state change to the asset itself.
From the tool's definition Tool name 'unity_graphics_asset_preview' and description explicitly state it 'Get[s] a visual preview thumbnail' and 'Returns base64 PNG image'.
Attacks that exploit this kind of access
The rule that runs unity_graphics_asset_preview safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Unity MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For unity_graphics_asset_preview, this is the rule to start with:
unity_graphics_asset_preview 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 Unity MCP Server, apply this rule, and every unity_graphics_asset_preview call is checked against it from then on.
Questions about unity_graphics_asset_preview
Get a visual preview thumbnail of any Unity asset (prefab, material, texture, mesh, etc.) as an inline image. Returns base64 PNG image that Claude can see directly. It is categorised as a Read tool in the Unity MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Unity MCP Server MCP server in PolicyLayer and add a rule for unity_graphics_asset_preview: 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 Unity MCP Server. Nothing to install.
unity_graphics_asset_preview 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 unity_graphics_asset_preview 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 unity_graphics_asset_preview. 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.
unity_graphics_asset_preview is provided by the Unity MCP Server MCP server (anklebreaker-studio/unity-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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