This record as markdown: /tools/io-github-sirkirby-unifi-access-mcp/protect-list-chimes.md
What protect_list_chimes does on UniFi Access MCP
AI agents call protect_list_chimes 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 protect_list_chimes is rated Low
This tool performs a read-only operation to enumerate chimes in the UniFi Access system. It has no capability to modify, delete, or execute actions. The blast radius of misuse is minimal — an AI agent could only discover what chimes exist in the system, which is low-risk information disclosure.
From the tool's definition Tool name contains 'list' and description states 'List all chimes' — a straightforward query operation that retrieves data with no modification or side effects.
Attacks that exploit this kind of access
The rule that runs protect_list_chimes 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 protect_list_chimes, this is the rule to start with:
protect_list_chimes 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 protect_list_chimes call is checked against it from then on.
Questions about protect_list_chimes
List all chimes. 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 protect_list_chimes: 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.
protect_list_chimes 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 protect_list_chimes 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 protect_list_chimes. 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.
protect_list_chimes 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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