access_get_visitor
Get detailed visitor information by ID.
This record as markdown: /tools/io-github-sirkirby-unifi-access-mcp/access-get-visitor.md
What access_get_visitor does on UniFi Access MCP
AI agents call access_get_visitor to retrieve information from UniFi Access MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why access_get_visitor is rated Low
This tool retrieves visitor information by ID without any side effects. It performs a read-only query operation on visitor data, which is the fundamental characteristic of the Read category. The low severity reflects that querying visitor details poses minimal direct risk, though the data sensitivity is contextual to the deployment environment.
From the tool's definition Tool name contains 'get' and description states 'Get detailed visitor information by ID' - a query operation that retrieves existing data without modification.
Attacks that exploit this kind of access
The rule that runs access_get_visitor safely
PolicyLayer is an MCP gateway: it sits between your AI agents and UniFi Access MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For access_get_visitor, this is the rule to start with:
access_get_visitor 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 UniFi Access MCP, apply this rule, and every access_get_visitor call is checked against it from then on.
Questions about access_get_visitor
Get detailed visitor information by ID. It is categorised as a Read tool in the UniFi Access MCP MCP Server, which means it retrieves data without modifying state.
Register the UniFi Access MCP server in PolicyLayer and add a rule for access_get_visitor: 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 UniFi Access MCP. Nothing to install.
access_get_visitor 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 access_get_visitor 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 access_get_visitor. 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.
access_get_visitor is provided by the UniFi Access MCP server (pypi:unifi-protect-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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