news.hn-user

SERVERMcp SOURCE@2sio/mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-2s-io-mcp/news.hn-user.md

WHAT IT DOES

What news.hn-user does on Mcp

AI agents call news.hn-user to retrieve information from Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why news.hn-user is rated Low

This tool queries and retrieves publicly available information from Hacker News user profiles. It performs a read-only operation with no capability to modify, delete, or execute actions. The data returned (user metadata, karma, bio) is informational only. Low severity due to minimal sensitivity of public profile data and no destructive or operational capabilities.

From the tool's definition Tool description states it "Returns id, account creation time (unix + ISO), karma, the about/bio text, number of items submitted, and the canonical news.ycombinator.com profile URL" — purely retrieves public user profile data with no modification, deletion,…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs news.hn-user safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For news.hn-user, this is the rule to start with:

news.hn-user Allowed

news.hn-user is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "news.hn-user": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp, apply this rule, and every news.hn-user call is checked against it from then on.

FAQ

Questions about news.hn-user

What does the news.hn-user tool do? +

Hacker News user profile by username. Returns id, account creation time (unix + ISO), karma, the about/bio text, number of items submitted, and the canonical news.ycombinator.com profile URL. Unknown user returns an empty result. It is categorised as a Read tool in the Mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on news.hn-user? +

Register the MCP server in PolicyLayer and add a rule for news.hn-user: 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. Nothing to install.

What risk level is news.hn-user? +

news.hn-user is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit news.hn-user? +

Yes. Add a rate_limit block to the news.hn-user 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.

How do I block news.hn-user completely? +

Set action: deny in the PolicyLayer policy for news.hn-user. 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.

What MCP server provides news.hn-user? +

news.hn-user is provided by the MCP server (@2sio/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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