AI agents call get_insider_double_buys to retrieve information from Gurufocus without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves historical insider trading data (insider purchases of their company stock), a read-only query with no side effects. While the description is empty (reducing confidence slightly), the 'get_' prefix and server context strongly indicate this is a data retrieval tool. No creation, deletion, execution, or financial transactions occur—only access to already-published insider trading information.
From the tool's definition Tool name 'get_insider_double_buys' indicates a retrieval/query operation (prefix 'get_'). Description is empty, but context from sibling tools (all prefixed with 'get_') and server purpose (GuruFocus financial data exposure) suggest data retrieval rather…
Attacks that exploit this kind of access
get_insider_double_buys. It is categorised as a Read tool in the Gurufocus MCP Server, which means it retrieves data without modifying state.
Register the Gurufocus MCP server in PolicyLayer and add a rule for get_insider_double_buys: 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 Gurufocus. Nothing to install.
get_insider_double_buys 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_insider_double_buys 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_insider_double_buys. 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_insider_double_buys is provided by the Gurufocus MCP server (u-daveblack/gurufocus-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.
Teams ship this data inside their own products. See what a licence covers →