Get market statistics for specific trading pair
AI agents call alex_get_ticker to retrieve information from Stacks AI 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 market data (ticker information) for a specified trading pair. It is a query operation that does not modify state, execute code, delete data, or move funds. The only risk is potential information disclosure or rate limiting, which are minimal concerns. Classified as Read with low severity.
From the tool's definition Tool name 'alex_get_ticker' and description 'Get market statistics for specific trading pair' indicate a data retrieval operation with no side effects.
Attacks that exploit this kind of access
Get market statistics for specific trading pair. It is categorised as a Read tool in the Stacks AI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Stacks AI MCP Server MCP server in PolicyLayer and add a rule for alex_get_ticker: 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 Stacks AI MCP Server. Nothing to install.
alex_get_ticker 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 alex_get_ticker 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 alex_get_ticker. 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.
alex_get_ticker is provided by the Stacks AI MCP Server MCP server (stack-ai-mcp/stacks-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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