This record as markdown: /tools/creativelead-unclick/hn-top-stories.md
What hn_top_stories does on UnClick
AI agents call hn_top_stories to retrieve information from UnClick 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 |
|---|---|---|---|
limit | number | — |
Parameters from the server's own tool schema.
Why hn_top_stories is rated Low
This tool performs a read-only query operation to fetch public data from Hacker News. No data is created, modified, deleted, or used to trigger external side effects. The blast radius of misuse is minimal—an agent could only retrieve publicly available information.
From the tool's definition Tool retrieves 'top stories from Hacker News' with no modifications, deletions, or external operations triggered.
Attacks that exploit this kind of access
The rule that runs hn_top_stories safely
PolicyLayer is an MCP gateway: it sits between your AI agents and UnClick, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hn_top_stories, this is the rule to start with:
hn_top_stories 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 UnClick, apply this rule, and every hn_top_stories call is checked against it from then on.
Questions about hn_top_stories
Get the top stories from Hacker News. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
hn_top_stories accepts 1 parameter: limit. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for hn_top_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 UnClick. Nothing to install.
hn_top_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 hn_top_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 hn_top_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.
hn_top_stories is provided by the UnClick MCP server (creativelead/unclick). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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