get_topic_feed
AI agents call get_topic_feed to retrieve information from Google News MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool appears to retrieve news content from a specific topic without side effects. The server is explicitly designed for news retrieval with caching and concurrent processing for read access. No write, execute, destructive, or financial operations are mentioned or implied. Although the tool description is empty, the naming convention and server context strongly indicate a read-only retrieval function.
From the tool's definition Tool is part of a news-fetching server with sibling tools that include 'get_category_feed', 'get_geo_feed', 'get_search_feed', and 'get_top_headlines', all retrieval operations. Name 'get_topic_feed' follows the same pattern.
Attacks that exploit this kind of access
get_topic_feed. It is categorised as a Read tool in the Google News MCP MCP Server, which means it retrieves data without modifying state.
Register the Google News MCP server in PolicyLayer and add a rule for get_topic_feed: 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 Google News MCP. Nothing to install.
get_topic_feed 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_topic_feed 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_topic_feed. 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_topic_feed is provided by the Google News MCP server (moltrus/google-news-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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