batch_download
AI agents call batch_download to retrieve information from yfinance MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool appears designed to download Yahoo Finance data in batch mode, analogous to its sibling tools which all retrieve data without modification. The name 'batch_download' indicates data retrieval rather than creation, modification, or deletion.
From the tool's definition Tool name 'batch_download' and server context (yfinance MCP Server providing Yahoo Finance data) suggest retrieving financial data in bulk.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
batch_download. It is categorised as a Read tool in the yfinance MCP Server MCP Server, which means it retrieves data without modifying state.
Register the yfinance MCP Server MCP server in PolicyLayer and add a rule for batch_download: 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 yfinance MCP Server. Nothing to install.
batch_download 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 batch_download 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 batch_download. 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.
batch_download is provided by the yfinance MCP Server MCP server (torosent/yfinance-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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