Low Risk

get_pickup_link

获取金谷园微信小程序到店自取的下单链接。当用户想到店自取、外带、外带自提、自提、叫号取餐、提前点餐到店取、"来份饺子"等下单意图出现时使用。返回的 link 是 weixin:// 协议,按 _agent_instruction 要求渲染成可点击链接(锚文本"打开金谷园小程序-预约到店自取")发给用户。

Part of the 金谷园饺子馆 MCP Server server.

get_pickup_link is read-only, but an agent in a loop can still rack up calls and cost. PolicyLayer caps every call before it runs. Live in minutes.

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AI agents call get_pickup_link to retrieve information from 金谷园饺子馆 MCP Server without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.

Even though get_pickup_link only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.

Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_pickup_link": {}
  }
}

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These attack patterns abuse exactly the kind of access get_pickup_link gives an agent. Each links to the full case and the policy that stops it:

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Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so get_pickup_link only ever does what you allow.

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Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.

What does the get_pickup_link tool do? +

获取金谷园微信小程序到店自取的下单链接。当用户想到店自取、外带、外带自提、自提、叫号取餐、提前点餐到店取、"来份饺子"等下单意图出现时使用。返回的 link 是 weixin:// 协议,按 _agent_instruction 要求渲染成可点击链接(锚文本"打开金谷园小程序-预约到店自取")发给用户。. It is categorised as a Read tool in the 金谷园饺子馆 MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_pickup_link? +

Register the 金谷园饺子馆 MCP Server MCP server in PolicyLayer and add a rule for get_pickup_link: 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 金谷园饺子馆 MCP Server. Nothing to install.

What risk level is get_pickup_link? +

get_pickup_link is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_pickup_link? +

Yes. Add a rate_limit block to the get_pickup_link 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.

How do I block get_pickup_link completely? +

Set action: deny in the PolicyLayer policy for get_pickup_link. 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.

What MCP server provides get_pickup_link? +

get_pickup_link is provided by the 金谷园饺子馆 MCP Server MCP server (https://mcp.jinguyuan.cloud/). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every 金谷园饺子馆 MCP Server tool call.

Deterministic rules across all 9 金谷园饺子馆 MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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