yahoo_finance_sector
Yahoo Finance sector detail. Returns overview, top companies, ETFs, mutual funds, industries, and research reports for a sector key.
This record as markdown: /tools/crawlora-mcp/yahoo-finance-sector.md
What yahoo_finance_sector does on Crawlora
AI agents call yahoo_finance_sector 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.
| Parameter | Type | Required | Description |
|---|---|---|---|
key | string | Yes | Sector key such as technology |
Parameters from the server's own tool schema.
Why yahoo_finance_sector is rated Low
This tool retrieves and queries financial sector information from Yahoo Finance without modifying any data, executing commands, or creating side effects. It fits the Read category as it performs information lookup similar to search or fetch operations. The severity is low because misuse would only expose publicly available financial data without financial risk, destruction, or code execution.
From the tool's definition Tool returns sector detail information including 'overview, top companies, ETFs, mutual funds, industries, and research reports'. The verb 'Returns' and the read-only nature of financial data retrieval indicate no data modification or side effects.
Attacks that exploit this kind of access
The rule that runs yahoo_finance_sector 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_sector, this is the rule to start with:
yahoo_finance_sector is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Crawlora, apply this rule, and every yahoo_finance_sector call is checked against it from then on.
Questions about yahoo_finance_sector
Yahoo Finance sector detail. Returns overview, top companies, ETFs, mutual funds, industries, and research reports for a sector key. It is categorised as a Read tool in the Crawlora MCP Server, which means it retrieves data without modifying state.
yahoo_finance_sector accepts 1 parameter: key. Required: key. The full parameter table on this page comes from the server's own tool schema.
Register the Crawlora MCP server in PolicyLayer and add a rule for yahoo_finance_sector: 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.
yahoo_finance_sector 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 yahoo_finance_sector 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 yahoo_finance_sector. 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.
yahoo_finance_sector 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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