yahoo_finance_trending
Yahoo Finance trending symbols. Returns trending Yahoo Finance symbols for a region.
This record as markdown: /tools/crawlora-mcp/yahoo-finance-trending.md
What yahoo_finance_trending does on Crawlora
AI agents call yahoo_finance_trending 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 |
|---|---|---|---|
count | integer | — | Symbol count |
region | string | Yes | Region such as US |
Parameters from the server's own tool schema.
Why yahoo_finance_trending is rated Low
This tool retrieves and displays trending financial symbols from Yahoo Finance based on a region parameter. It performs a read-only query with no side effects, no code execution, and no data modification. The response is informational market data. While it relates to financial data, it does not move money, create obligations, or execute trades—it merely surfaces public market information.
From the tool's definition Tool name 'yahoo_finance_trending' and description 'Returns trending Yahoo Finance symbols for a region' indicate data retrieval without modification. The word 'Returns' confirms a query operation.
Attacks that exploit this kind of access
The rule that runs yahoo_finance_trending 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_trending, this is the rule to start with:
yahoo_finance_trending 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_trending call is checked against it from then on.
Questions about yahoo_finance_trending
Yahoo Finance trending symbols. Returns trending Yahoo Finance symbols for a region. It is categorised as a Read tool in the Crawlora MCP Server, which means it retrieves data without modifying state.
yahoo_finance_trending accepts 2 parameters: count, region. Required: region. 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_trending: 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_trending 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_trending 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_trending. 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_trending 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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