Get details about a ticker symbol
AI agents call get_ticker_details to retrieve information from Polygon MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves ticker information from Polygon.io without modifying, deleting, or executing anything. It is a read-only data retrieval operation with no side effects. Severity is low because misuse would only expose publicly available market data with no capability for financial transactions or system modification.
From the tool's definition Tool name is 'get_ticker_details' and description states 'Get details about a ticker symbol'. The verb 'get' indicates retrieval. The parent server description confirms it 'retrieves financial market data'.
Attacks that exploit this kind of access
Get details about a ticker symbol. It is categorised as a Read tool in the Polygon MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Polygon MCP Server MCP server in PolicyLayer and add a rule for get_ticker_details: 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 Polygon MCP Server. Nothing to install.
get_ticker_details 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_ticker_details 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_ticker_details. 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_ticker_details is provided by the Polygon MCP Server MCP server (jwaresolutions/polygon-mcp-server). 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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