Search news articles by keyword across multiple sources
AI agents call search_news to retrieve information from Sellthenews 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 news articles without modifying, executing, or deleting any data. It has no side effects and presents no capability for code execution, financial transactions, or destructive operations. The blast radius is minimal—an AI agent misusing this tool could retrieve irrelevant or sensitive news, but cannot cause harm through the search operation itself.
From the tool's definition Tool name 'search_news' and description 'Search news articles by keyword across multiple sources' indicate a retrieval operation.
Attacks that exploit this kind of access
Search news articles by keyword across multiple sources. It is categorised as a Read tool in the Sellthenews MCP Server, which means it retrieves data without modifying state.
Register the Sellthenews MCP server in PolicyLayer and add a rule for search_news: 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 Sellthenews. Nothing to install.
search_news 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 search_news 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 search_news. 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.
search_news is provided by the Sellthenews MCP server (swl007007/sellthenews_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.
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