Fetches Hacker News newest stories from the Firebase newstories ranking and returns summaries, unlike get_top_stories which follows front-page rank or search_stories which uses keywords. ${PUBLIC_HN_BEHAVIOR} Use when recency matters more than score or comment activity; use get_top_stories or get...
AI agents call get_new_stories to retrieve information from Universal Mcp Toolkit without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves publicly available data from Hacker News and returns it without any side effects. It performs a simple query operation to fetch and summarize content based on recency, which is a read-only operation. The low severity reflects that fetching public news data poses minimal risk even if misused by an agent.
From the tool's definition Tool description states it 'Fetches Hacker News newest stories' and 'returns summaries'. The verb 'Fetches' combined with 'returns' indicates data retrieval only. No modification, deletion, or execution capabilities are mentioned.
Attacks that exploit this kind of access
Fetches Hacker News newest stories from the Firebase newstories ranking and returns summaries, unlike get_top_stories which follows front-page rank or search_stories which uses keywords. ${PUBLIC_HN_BEHAVIOR} Use when recency matters more than score or comment activity; use get_top_stories or get_best_stories when popularity signals matter. It is categorised as a Read tool in the Universal Mcp Toolkit MCP Server, which means it retrieves data without modifying state.
Register the Universal Mcp Toolkit MCP server in PolicyLayer and add a rule for get_new_stories: 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 Universal Mcp Toolkit. Nothing to install.
get_new_stories 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_new_stories 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_new_stories. 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_new_stories is provided by the Universal Mcp Toolkit MCP server (markgatcha/universal-mcp-toolkit). 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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