Retrieves the top N gainers, losers, and most actively traded US tickers.
AI agents call alphaIntelligence_topGainersLosers to retrieve information from MCP Avantage without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries financial market data (stock gainers, losers, and trading activity) without creating, modifying, deleting, or executing any actions. It is a pure read operation that returns publicly available market information. There is no risk of financial transactions, data modification, or irreversible operations.
From the tool's definition The tool 'Retrieves the top N gainers, losers, and most actively traded US tickers' performs a data retrieval operation with no side effects.
Attacks that exploit this kind of access
Retrieves the top N gainers, losers, and most actively traded US tickers. It is categorised as a Read tool in the MCP Avantage MCP Server, which means it retrieves data without modifying state.
Register the MCP Avantage MCP server in PolicyLayer and add a rule for alphaIntelligence_topGainersLosers: 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 MCP Avantage. Nothing to install.
alphaIntelligence_topGainersLosers 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 alphaIntelligence_topGainersLosers 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 alphaIntelligence_topGainersLosers. 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.
alphaIntelligence_topGainersLosers is provided by the MCP Avantage MCP server (missionsquad/mcp-avantage). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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