Fetch a full screenshot image and metadata for a specific screen. Use a screenUrl from search_screens, search_flows, or get_app_screens results. Returns the actual image so you can see the UI design.
AI agents call mobbin_get_screen_detail to retrieve information from Mobbin without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries design inspiration data (screenshots and metadata) from Mobbin's design database. It has no side effects, does not modify data, does not execute code or commands, and does not involve financial transactions. The operation is purely informational retrieval of existing design resources.
From the tool's definition Tool description states 'Fetch a full screenshot image and metadata for a specific screen' and 'Returns the actual image so you can see the UI design.' The verb 'Fetch' and the read-only nature of retrieving existing design screenshots with no modification…
Attacks that exploit this kind of access
Fetch a full screenshot image and metadata for a specific screen. Use a screenUrl from search_screens, search_flows, or get_app_screens results. Returns the actual image so you can see the UI design. It is categorised as a Read tool in the Mobbin MCP Server, which means it retrieves data without modifying state.
Register the Mobbin MCP server in PolicyLayer and add a rule for mobbin_get_screen_detail: 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 Mobbin. Nothing to install.
mobbin_get_screen_detail 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 mobbin_get_screen_detail 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 mobbin_get_screen_detail. 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.
mobbin_get_screen_detail is provided by the Mobbin MCP server (mobbin-mcp). 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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