Get real-time quote data for a stock.
AI agents call get_quote to retrieve information from Stock Data MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves real-time stock price and quote information without creating, modifying, deleting, or executing any operations. It is a pure data retrieval function analogous to a search or fetch operation. The low severity reflects minimal risk: misuse would only expose publicly available market data.
From the tool's definition Tool name 'get_quote' and description 'Get real-time quote data for a stock' indicate a retrieval operation with no side effects. The verb 'Get' and context of querying stock market data confirms read-only access.
Attacks that exploit this kind of access
Get real-time quote data for a stock. It is categorised as a Read tool in the Stock Data MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Stock Data MCP Server MCP server in PolicyLayer and add a rule for get_quote: 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 Stock Data MCP Server. Nothing to install.
get_quote 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 get_quote 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 get_quote. 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.
get_quote is provided by the Stock Data MCP Server MCP server (wallacetju/mystockmcp). 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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