news.hn-item

Fetch a specific Hacker News item by numeric ID.

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-item.md

WHAT IT DOES

What news.hn-item does on Mcp

AI agents call news.hn-item 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-item is rated Low

This tool queries public data from Hacker News and returns information about a specific item. It is a read-only operation that retrieves existing data without modifying, deleting, executing code, or incurring financial obligations. The blast radius of misuse is minimal—an agent could only retrieve publicly available information.

From the tool's definition Tool name 'news.hn-item' and description 'Fetch a specific Hacker News item by numeric ID' indicate a retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs news.hn-item 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-item, this is the rule to start with:

news.hn-item Allowed

news.hn-item 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-item": {}
  }
}

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-item call is checked against it from then on.

FAQ

Questions about news.hn-item

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

Fetch a specific Hacker News item by numeric ID. 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-item? +

Register the MCP server in PolicyLayer and add a rule for news.hn-item: 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-item? +

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

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

Yes. Add a rate_limit block to the news.hn-item 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-item completely? +

Set action: deny in the PolicyLayer policy for news.hn-item. 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-item? +

news.hn-item 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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