拿取主要景點，人氣數大於 3000 數，旅遊景點最多可接受 3 個主要景點，最低 1 個。
AI agents call major_views to retrieve information from Gogo Backend without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only reads and returns curated tourism data from the PostgreSQL database based on popularity thresholds. It has no side effects—it does not create, modify, delete, or execute arbitrary operations. The constraint on result count (1-3 spots) is a filter, not a destructive operation. Aligns with Read category: retrieves data without side effects.
From the tool's definition Tool name 'major_views' and description indicate it retrieves/queries tourism attractions with popularity metrics (人氣數大於 3000), filtering results to 1-3 main spots per trip.
Attacks that exploit this kind of access
拿取主要景點，人氣數大於 3000 數，旅遊景點最多可接受 3 個主要景點，最低 1 個。. It is categorised as a Read tool in the Gogo Backend MCP Server, which means it retrieves data without modifying state.
Register the Gogo Backend MCP server in PolicyLayer and add a rule for major_views: 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 Gogo Backend. Nothing to install.
major_views 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 major_views 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 major_views. 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.
major_views is provided by the Gogo Backend MCP server (jjjtyy666/gogo-backend-mcp6). 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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