This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/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 queries publicly available data from Hacker News and returns results. It performs no modifications, deletions, code execution, or financial operations. It is a straightforward read-only retrieval function with minimal security risk.
From the tool's definition Tool name 'hn_top_stories' and description 'Get the top stories from Hacker News' indicate a retrieval operation with no side effects.
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 (@unclick/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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