This record as markdown: /tools/baidu-map/detail-url.md
What detail_url does on Baidu Map
AI agents call detail_url to retrieve information from Baidu Map without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why detail_url is rated Low
The tool name 'detail_url' suggests it retrieves or generates a URL for detail information, consistent with a Read operation. However, the description is essentially empty ('string'), providing no actionable information about side effects. Given the Baidu Map API context and sibling tools that are all read/query oriented (adcode, address, city, etc.), this is most likely a read operation.
From the tool's definition Tool name is 'detail_url' with description only containing 'string' — uninformative description; name suggests retrieving a detail URL
Attacks that exploit this kind of access
The rule that runs detail_url safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Baidu Map, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For detail_url, this is the rule to start with:
detail_url is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Baidu Map, apply this rule, and every detail_url call is checked against it from then on.
Questions about detail_url
string. It is categorised as a Read tool in the Baidu Map MCP Server, which means it retrieves data without modifying state.
Register the Baidu Map MCP server in PolicyLayer and add a rule for detail_url: 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 Baidu Map. Nothing to install.
detail_url 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 detail_url 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 detail_url. 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.
detail_url is provided by the Baidu Map MCP server (@baidumap/mcp-server-baidu-map). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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