AI agents call list_topic_bloggers 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 queries and returns a list of bloggers associated with a topic/knowledge base. It performs no mutations, deletions, or side effects—only retrieval of existing data. The explicit 'read' scope confirms its read-only nature. Blast radius is minimal as it only exposes informational content about blogger subscriptions.
From the tool's definition Tool name 'list_topic_bloggers' and description '获取知识库订阅的博主列表' (retrieve list of bloggers subscribed to knowledge base) indicates data retrieval with no modification. Scope requirement 'topic.blogger.read' confirms read-only access pattern.
Documented attack patterns abuse exactly the kind of access list_topic_bloggers 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_bloggers:
{
"version": "1",
"default": "deny",
"tools": {
"list_topic_bloggers": {}
}
}list_topic_bloggers is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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获取知识库订阅的博主列表。需要 topic.blogger.read scope。. 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_bloggers: 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_bloggers 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_bloggers 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_bloggers. 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_bloggers 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.
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26 GetNote MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.