Get a listing of images in the gallery
AI agents call list_images to retrieve information from BookStack MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns image metadata from a gallery without altering any data, executing code, or triggering external operations. It is a straightforward read-only operation that retrieves information for display or inspection purposes.
From the tool's definition Tool name is 'list_images' and description states 'Get a listing of images in the gallery' — a pure retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Get a listing of images in the gallery. It is categorised as a Read tool in the BookStack MCP Server MCP Server, which means it retrieves data without modifying state.
Register the BookStack MCP Server MCP server in PolicyLayer and add a rule for list_images: 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 BookStack MCP Server. Nothing to install.
list_images 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 list_images 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 list_images. 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.
list_images is provided by the BookStack MCP Server MCP server (lautarobarba/bookstack_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
list_images is one line of BookStack MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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