hackernews_item
Fetch a single Hacker News item and its comment tree Fetch a single Hacker News item and its comment tree. Returns the normalized public contract; raw provider records are internal to the runtime boundary and never cross the public gateway. HTTP: GET /v1/hackernews/item/{id}
This record as markdown: /tools/com-replynodes-mcp/hackernews-item.md
What hackernews_item does on ReplyNodes
AI agents call hackernews_item to retrieve information from ReplyNodes without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
id | integer | Yes | Hacker News item id. |
depth | integer | — | Maximum comment-tree depth to resolve; values outside 1..10 are rejected. |
Parameters from the server's own tool schema.
Why hackernews_item is rated Low
Retrieves public data from Hacker News with no side effects or modifications possible.
From the tool's definition Fetch a single Hacker News item and its comment tree; no write/delete/execute capabilities
Attacks that exploit this kind of access
The rule that runs hackernews_item safely
PolicyLayer is an MCP gateway: it sits between your AI agents and ReplyNodes, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hackernews_item, this is the rule to start with:
hackernews_item is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect ReplyNodes, apply this rule, and every hackernews_item call is checked against it from then on.
Questions about hackernews_item
Fetch a single Hacker News item and its comment tree Fetch a single Hacker News item and its comment tree. Returns the normalized public contract; raw provider records are internal to the runtime boundary and never cross the public gateway. HTTP: GET /v1/hackernews/item/{id}. It is categorised as a Read tool in the ReplyNodes MCP Server, which means it retrieves data without modifying state.
hackernews_item accepts 2 parameters: id, depth. Required: id. The full parameter table on this page comes from the server's own tool schema.
Register the ReplyNodes MCP server in PolicyLayer and add a rule for hackernews_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 ReplyNodes. Nothing to install.
hackernews_item 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 hackernews_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.
Set action: deny in the PolicyLayer policy for hackernews_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.
hackernews_item is provided by the ReplyNodes MCP server (https://mcp.replynodes.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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