Get real-time or delayed quote for a stock symbol including price, volume, bid/ask, daily change, and optionally earnings date.
AI agents call get_stock_quote to retrieve information from E*TRADE MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
get_stock_quote performs a pure read operation against financial market data. It queries the E*TRADE API to retrieve quote information (price, volume, bid/ask spreads, daily change, optionally earnings date) without modifying state, executing code, or committing financial transactions.
From the tool's definition Tool retrieves 'real-time or delayed quote for a stock symbol including price, volume, bid/ask, daily change' — this is data retrieval with no side effects.
Attacks that exploit this kind of access
Get real-time or delayed quote for a stock symbol including price, volume, bid/ask, daily change, and optionally earnings date. It is categorised as a Read tool in the E*TRADE MCP Server MCP Server, which means it retrieves data without modifying state.
Register the E*TRADE MCP Server MCP server in PolicyLayer and add a rule for get_stock_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 E*TRADE MCP Server. Nothing to install.
get_stock_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_stock_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_stock_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_stock_quote is provided by the E*TRADE MCP Server MCP server (ohenak/etrade-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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