get_bestseller_list
AI agents call get_bestseller_list to retrieve information from NYTimes MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves bestseller list data from New York Times, which is a read-only query operation with no side effects, data modification, or external state changes. Even if misused by an agent, the worst outcome is redundant API calls or information gathering—no destructive, financial, or execution risks present.
From the tool's definition Tool name 'get_bestseller_list' implies retrieval of bestseller ranking data; server description confirms this is one of 5 data retrieval tools (article search, news wire, most popular articles, archives, bestseller lists).
Attacks that exploit this kind of access
get_bestseller_list. It is categorised as a Read tool in the NYTimes MCP MCP Server, which means it retrieves data without modifying state.
Register the NYTimes MCP server in PolicyLayer and add a rule for get_bestseller_list: 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 NYTimes MCP. Nothing to install.
get_bestseller_list 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_bestseller_list 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_bestseller_list. 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_bestseller_list is provided by the NYTimes MCP server (jeffmm/nytimes-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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