AI agents call list_topic_notes to retrieve information from GetNote MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries a list of notes from a knowledge base with pagination. It performs no side effects—no data is created, modified, deleted, or destroyed. No external operations are triggered. It is a straightforward read operation that returns existing data.
From the tool's definition Tool name 'list_topic_notes' and description '获取指定知识库内的笔记列表（每页 20 条）' (Get note list from specified knowledge base, 20 items per page) indicate data retrieval with no modification or deletion.
Documented attack patterns abuse exactly the kind of access list_topic_notes gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and GetNote MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list_topic_notes:
{
"version": "1",
"default": "deny",
"tools": {
"list_topic_notes": {}
}
}list_topic_notes is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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获取指定知识库内的笔记列表（每页 20 条）。. It is categorised as a Read tool in the GetNote MCP Server MCP Server, which means it retrieves data without modifying state.
Register the GetNote MCP Server MCP server in PolicyLayer and add a rule for list_topic_notes: 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 GetNote MCP Server. Nothing to install.
list_topic_notes 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 list_topic_notes 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 list_topic_notes. 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.
list_topic_notes is provided by the GetNote MCP Server MCP server (iswalle/getnote-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from GetNote MCP Server, 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.
26 GetNote MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.