列出所有博客文章，支持按关键词过滤标题和标签
AI agents call list_posts to retrieve information from Hexo Blog MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only queries and lists existing blog posts with optional keyword filtering. It has no side effects—it neither creates, modifies, deletes, nor executes anything. The ability to filter by keywords does not elevate the risk; filtering is a read-only operation.
From the tool's definition Tool name 'list_posts' and description '列出所有博客文章，支持按关键词过滤标题和标签' (List all blog articles, support filtering by keywords in titles and tags) indicate a retrieval operation with filtering capabilities.
Attacks that exploit this kind of access
列出所有博客文章，支持按关键词过滤标题和标签. It is categorised as a Read tool in the Hexo Blog MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Hexo Blog MCP Server MCP server in PolicyLayer and add a rule for list_posts: 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 Hexo Blog MCP Server. Nothing to install.
list_posts 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_posts 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_posts. 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_posts is provided by the Hexo Blog MCP Server MCP server (leejersey/hexo-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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