AI agents call show_sticky_notes_html to retrieve information from xigua-MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool refreshes/displays the HTML representation of sticky notes, which is a read-only operation that retrieves and renders existing data. No data is created, modified, deleted, or destroyed. The operation has no side effects beyond displaying information to the user. This aligns with the 'Read' category for retrieval operations.
From the tool's definition Tool name 'show_sticky_notes_html' and description '刷新便签HTML页面' (refresh sticky notes HTML page) indicate retrieval and display of existing sticky note data without modification or deletion.
Attacks that exploit this kind of access
刷新便签HTML页面. It is categorised as a Read tool in the xigua-MCP MCP Server, which means it retrieves data without modifying state.
Register the xigua- MCP server in PolicyLayer and add a rule for show_sticky_notes_html: 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 xigua-MCP. Nothing to install.
show_sticky_notes_html 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 show_sticky_notes_html 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 show_sticky_notes_html. 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.
show_sticky_notes_html is provided by the xigua- MCP server (xiguaxiaome/xigua-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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