Get a detailed listing of all files and directories in a specified path, including sizes.
AI agents call list_directory_with_sizes to retrieve information from WebDAV MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only operation—listing and querying directory contents with size information. It has no side effects, does not modify data, and does not execute code or trigger external operations. The blast radius of misuse is minimal; an attacker could enumerate file system structure and sizes, but cannot modify, delete, or execute anything. It is analogous to running 'ls -lR' or 'dir' commands.
From the tool's definition Tool name 'list_directory_with_sizes' and description 'Get a detailed listing of all files and directories in a specified path, including sizes' indicate a query operation that retrieves directory metadata without modification.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
Get a detailed listing of all files and directories in a specified path, including sizes. It is categorised as a Read tool in the WebDAV MCP Server MCP Server, which means it retrieves data without modifying state.
Register the WebDAV MCP Server MCP server in PolicyLayer and add a rule for list_directory_with_sizes: 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 WebDAV MCP Server. Nothing to install.
list_directory_with_sizes 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_directory_with_sizes 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_directory_with_sizes. 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_directory_with_sizes is provided by the WebDAV MCP Server MCP server (masx200/mcp-webdav-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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