搜索附近门店，按城市或关键词筛选。
AI agents call nearby_stores to retrieve information from Coffee Company 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 store information based on location and filter criteria. It is purely informational with no side effects, data modification, or execution capabilities. The blast radius of misuse is minimal—an AI agent cannot cause harm by searching for nearby stores.
From the tool's definition Tool name 'nearby_stores' and description '搜索附近门店，按城市或关键词筛选' (search nearby stores, filter by city or keyword) indicates a search/query operation that retrieves store location data without modifying, deleting, or executing external operations.
Attacks that exploit this kind of access
搜索附近门店，按城市或关键词筛选。. It is categorised as a Read tool in the Coffee Company MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Coffee Company MCP Server MCP server in PolicyLayer and add a rule for nearby_stores: 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 Coffee Company MCP Server. Nothing to install.
nearby_stores 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 nearby_stores 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 nearby_stores. 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.
nearby_stores is provided by the Coffee Company MCP Server MCP server (sawzhang/coffee-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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