Get current 'Ask HN' posts — great for finding questions the community is discussing.
AI agents call hn_ask_hn to retrieve information from Mcp Everything without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns existing content (Ask HN discussion posts) from a public service without creating, modifying, deleting, or executing operations. It has no side effects on the Hacker News platform or user data. Classification as Read is appropriate with low severity due to the absence of any blast radius from misuse—the worst outcome would be retrieving unexpected content.
From the tool's definition Tool retrieves 'Ask HN' posts from Hacker News with no modification capabilities. The description uses 'Get current' indicating data retrieval only.
Attacks that exploit this kind of access
Get current 'Ask HN' posts — great for finding questions the community is discussing. It is categorised as a Read tool in the Mcp Everything MCP Server, which means it retrieves data without modifying state.
Register the Mcp Everything MCP server in PolicyLayer and add a rule for hn_ask_hn: 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 Mcp Everything. Nothing to install.
hn_ask_hn 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 hn_ask_hn 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 hn_ask_hn. 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.
hn_ask_hn is provided by the Mcp Everything MCP server (wellix260/mcp-everything). 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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