List local directory contents.
AI agents call list_directory to retrieve information from Advanced MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only reads and returns directory metadata/contents. It does not create, modify, delete, or execute anything. The blast radius of misuse is minimal—worst case, an AI agent discovers unexposed file paths but cannot access file contents or make changes. Directory listing is a standard safe read operation.
From the tool's definition Tool performs directory listing without modifying, deleting, or executing operations. The description explicitly states 'List local directory contents', which is a retrieval operation with no side effects.
Attacks that exploit this kind of access
List local directory contents. It is categorised as a Read tool in the Advanced MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Advanced MCP Server MCP server in PolicyLayer and add a rule for list_directory: 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 Advanced MCP Server. Nothing to install.
list_directory 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 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. 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 is provided by the Advanced MCP Server MCP server (rahii123/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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