get_news_headlines
AI agents call get_news_headlines to retrieve information from M3 Memory without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name strongly suggests querying or fetching headline information, which is a read-only operation with no side effects. Without a description, confidence is reduced but the naming convention clearly points to data retrieval rather than creation, modification, deletion, or execution. News headlines are not sensitive financial or destructive operations.
From the tool's definition Tool name 'get_news_headlines' indicates retrieval of news data with no modification capability. Description is empty, limiting direct evidence.
Documented attack patterns abuse exactly the kind of access get_news_headlines gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and M3 Memory, and nothing reaches the server without passing your rules. This is the rule we recommend for get_news_headlines:
{
"version": "1",
"default": "deny",
"tools": {
"get_news_headlines": {}
}
}get_news_headlines is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_news_headlines. It is categorised as a Read tool in the M3 Memory MCP Server, which means it retrieves data without modifying state.
Register the M3 Memory MCP server in PolicyLayer and add a rule for get_news_headlines: 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 M3 Memory. Nothing to install.
get_news_headlines 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_news_headlines 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_news_headlines. 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_news_headlines is provided by the M3 Memory MCP server (skynetcmd/m3-memory). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from M3 Memory, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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