This record as markdown: /tools/baidu-map/uid.md
What uid does on Baidu Map
AI agents call uid as a supporting operation in Baidu Map workflows.
Why uid is rated Low
With only the word 'string' as a description and a generic name 'uid', there is insufficient information to classify this as anything beyond Other. In the context of a Baidu Map API server it may perform a read/lookup of a location UID, but this cannot be confirmed. Confidence is very low due to the uninformative description.
From the tool's definition Tool description is 'string' — entirely uninformative. Tool name 'uid' alone suggests a unique identifier lookup, but no functional description is provided.
Attacks that exploit this kind of access
The rule that runs uid 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 uid, this is the rule to start with:
uid gets a rate cap, and 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 uid call is checked against it from then on.
Questions about uid
string. It is categorised as a Other tool in the Baidu Map MCP Server, which means it performs auxiliary operations.
Register the Baidu Map MCP server in PolicyLayer and add a rule for uid: 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.
uid is a Other tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the uid 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 uid. 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.
uid 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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