yahoo_finance_ticker_shares_full

Yahoo Finance historical share counts. Returns historical shares-out rows from Yahoo fundamentals timeseries.

SERVERCrawlora SOURCEcrawlora-mcp

Low RISK CLASS

Category Read

Parameters 31 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/crawlora-mcp/yahoo-finance-ticker-shares-full.md

WHAT IT DOES

What yahoo_finance_ticker_shares_full does on Crawlora

AI agents call yahoo_finance_ticker_shares_full 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
`end`	string	—	End date as YYYY-MM-DD, RFC3339, or Unix seconds
`start`	string	—	Start date as YYYY-MM-DD, RFC3339, or Unix seconds
`symbol`	string	Yes	Yahoo Finance symbol such as AAPL

Parameters from the server's own tool schema.

RISK

Why yahoo_finance_ticker_shares_full is rated Low

Even though yahoo_finance_ticker_shares_full only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs yahoo_finance_ticker_shares_full 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_ticker_shares_full, this is the rule to start with:

yahoo_finance_ticker_shares_full Allowed

yahoo_finance_ticker_shares_full 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_ticker_shares_full": {}
  }
}

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_ticker_shares_full call is checked against it from then on.

FAQ

Questions about yahoo_finance_ticker_shares_full

What does the yahoo_finance_ticker_shares_full tool do? +

Yahoo Finance historical share counts. Returns historical shares-out rows from Yahoo fundamentals timeseries. It is categorised as a Read tool in the Crawlora MCP Server, which means it retrieves data without modifying state.

What parameters does yahoo_finance_ticker_shares_full accept? +

yahoo_finance_ticker_shares_full accepts 3 parameters: end, start, symbol. Required: symbol. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on yahoo_finance_ticker_shares_full? +

Register the Crawlora MCP server in PolicyLayer and add a rule for yahoo_finance_ticker_shares_full: 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_ticker_shares_full? +

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

Can I rate-limit yahoo_finance_ticker_shares_full? +

Yes. Add a rate_limit block to the yahoo_finance_ticker_shares_full 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_ticker_shares_full completely? +

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

yahoo_finance_ticker_shares_full 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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