decode_google_news_url
AI agents call decode_google_news_url 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 decodes URLs, a read-only operation with no side effects. It retrieves or transforms existing data (URL parameters) without modifying external state. The empty description lowers confidence slightly, but the name and server context clearly indicate it processes news URLs for retrieval purposes rather than modification or execution.
From the tool's definition Tool name 'decode_google_news_url' indicates URL decoding of Google News links. Server description mentions 'automatic URL decoding' as a feature for accessing news content. No write, execute, destructive, or financial operations are described.
Attacks that exploit this kind of access
decode_google_news_url. 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 decode_google_news_url: 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.
decode_google_news_url 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 decode_google_news_url 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 decode_google_news_url. 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.
decode_google_news_url 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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