AI agents call get_note_content to retrieve information from RednoteMCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves/queries note content from Xiaohongshu. It takes a URL as input and returns note data without any side effects, modification capabilities, or ability to execute arbitrary operations. It matches the Read category definition: 'retrieves or queries data; no side effects'.
From the tool's definition Tool name is 'get_note_content' and description translates to 'Get note content'. It retrieves content from a specified note URL with no parameters for modification or deletion.
Documented attack patterns abuse exactly the kind of access get_note_content gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and RednoteMCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_note_content:
{
"version": "1",
"default": "deny",
"tools": {
"get_note_content": {}
}
}get_note_content is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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获取笔记内容 Args: url: 笔记 URL. It is categorised as a Read tool in the RednoteMCP MCP Server, which means it retrieves data without modifying state.
Register the Rednote MCP server in PolicyLayer and add a rule for get_note_content: 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 RednoteMCP. Nothing to install.
get_note_content 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 get_note_content 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 get_note_content. 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.
get_note_content is provided by the Rednote MCP server (jonafly/rednotemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from RednoteMCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
5 RednoteMCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.