unifi_subscribe_events
Return a handle describing how to subscribe to live network events.
This record as markdown: /tools/io-github-sirkirby-unifi-access-mcp/unifi-subscribe-events.md
What unifi_subscribe_events does on UniFi Access MCP
AI agents call unifi_subscribe_events 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 unifi_subscribe_events is rated Low
This tool establishes a subscription mechanism to receive live event notifications. It returns a handle for event subscription, which is a read-only operation—it queries or observes event data without side effects. No data is created, modified, deleted, or financial actions taken. The low severity reflects minimal blast radius: misuse would only expose existing events the agent is authorized to see.
From the tool's definition Tool name 'subscribe_events' and description 'Return a handle describing how to subscribe to live network events' indicate subscription setup for monitoring, which retrieves/observes event streams without modifying, creating, or executing actions.
Attacks that exploit this kind of access
The rule that runs unifi_subscribe_events 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 unifi_subscribe_events, this is the rule to start with:
unifi_subscribe_events 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 unifi_subscribe_events call is checked against it from then on.
Questions about unifi_subscribe_events
Return a handle describing how to subscribe to live network events. 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 unifi_subscribe_events: 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.
unifi_subscribe_events 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 unifi_subscribe_events 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 unifi_subscribe_events. 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.
unifi_subscribe_events 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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