get_directory_list

根据目录类型获取对应列表数据

SERVERYahoo Finance MCP Server SOURCE16coffee/finance-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade A, identity unverified Pull the record →

This record as markdown: /tools/16coffee-finance-mcp/get-directory-list.md

WHAT IT DOES

What get_directory_list does on Yahoo Finance MCP Server

AI agents call get_directory_list to retrieve information from Yahoo Finance MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_directory_list is rated Low

This tool retrieves directory or list data based on a specified directory type. It performs a query operation with no side effects—no data is modified, deleted, or financial transactions are executed. The description confirms it is a data retrieval function.

From the tool's definition Tool name 'get_directory_list' and description '根据目录类型获取对应列表数据' (retrieve list data according to directory type) indicate a retrieval operation. The verb 'get' and action of retrieving/listing data without modification suggest read-only functionality.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_directory_list safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Yahoo Finance MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_directory_list, this is the rule to start with:

get_directory_list Allowed

get_directory_list is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_directory_list": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Yahoo Finance MCP Server, apply this rule, and every get_directory_list call is checked against it from then on.

FAQ

Questions about get_directory_list

What does the get_directory_list tool do? +

根据目录类型获取对应列表数据. It is categorised as a Read tool in the Yahoo Finance MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_directory_list? +

Register the Yahoo Finance MCP Server MCP server in PolicyLayer and add a rule for get_directory_list: 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 Yahoo Finance MCP Server. Nothing to install.

What risk level is get_directory_list? +

get_directory_list is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_directory_list? +

Yes. Add a rate_limit block to the get_directory_list 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.

How do I block get_directory_list completely? +

Set action: deny in the PolicyLayer policy for get_directory_list. 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.

What MCP server provides get_directory_list? +

get_directory_list is provided by the Yahoo Finance MCP Server MCP server (16coffee/finance-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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