yahoo_finance_sectors

Yahoo Finance sectors. Lists Yahoo Finance sector keys that can be queried with the sector endpoint.

SERVERCrawlora SOURCEcrawlora-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/crawlora-mcp/yahoo-finance-sectors.md

WHAT IT DOES

What yahoo_finance_sectors does on Crawlora

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

RISK

Why yahoo_finance_sectors is rated Low

This tool retrieves reference data (sector keys) from Yahoo Finance for informational purposes only. No data is created, modified, deleted, or financial transactions are initiated. The operation is a simple enumeration/lookup of available sectors, which is a read-only query operation.

From the tool's definition Tool description states it 'Lists Yahoo Finance sector keys that can be queried with the sector endpoint.' The verb 'lists' and the nature of querying sector keys indicates data retrieval without modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs yahoo_finance_sectors safely

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

yahoo_finance_sectors Allowed

yahoo_finance_sectors 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": {
    "yahoo_finance_sectors": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Crawlora, apply this rule, and every yahoo_finance_sectors call is checked against it from then on.

FAQ

Questions about yahoo_finance_sectors

What does the yahoo_finance_sectors tool do? +

Yahoo Finance sectors. Lists Yahoo Finance sector keys that can be queried with the sector endpoint. It is categorised as a Read tool in the Crawlora MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on yahoo_finance_sectors? +

Register the Crawlora MCP server in PolicyLayer and add a rule for yahoo_finance_sectors: 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 Crawlora. Nothing to install.

What risk level is yahoo_finance_sectors? +

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

Can I rate-limit yahoo_finance_sectors? +

Yes. Add a rate_limit block to the yahoo_finance_sectors 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 yahoo_finance_sectors completely? +

Set action: deny in the PolicyLayer policy for yahoo_finance_sectors. 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 yahoo_finance_sectors? +

yahoo_finance_sectors is provided by the Crawlora MCP server (crawlora-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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