unifi_update_snmp_settings
Update SNMP settings for the site (enable/disable, set community string). Requires confirm=true to apply changes.
This record as markdown: /tools/io-github-sirkirby-unifi-access-mcp/unifi-update-snmp-settings.md
What unifi_update_snmp_settings does on UniFi Access MCP
AI agents use unifi_update_snmp_settings to create or update resources in UniFi Access MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your UniFi Access MCP environment.
Why unifi_update_snmp_settings is rated Medium
SNMP (Simple Network Management Protocol) settings control network device monitoring and authentication. Changing these settings could expose network management interfaces, alter access controls, or impact the security posture of the UniFi Access deployment. However, since these changes are reversible and don't delete data or execute arbitrary code, this is a Write action rather than Execute or Destructive.
From the tool's definition Tool updates SNMP settings (enable/disable, set community string), which modifies network configuration. The 'enable/disable' and 'set community string' actions are reversible configuration changes, not destructive operations.
Attacks that exploit this kind of access
The rule that runs unifi_update_snmp_settings 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_update_snmp_settings, this is the rule to start with:
unifi_update_snmp_settings stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. 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_update_snmp_settings call is checked against it from then on.
Questions about unifi_update_snmp_settings
Update SNMP settings for the site (enable/disable, set community string). Requires confirm=true to apply changes. It is categorised as a Write tool in the UniFi Access MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the UniFi Access MCP server in PolicyLayer and add a rule for unifi_update_snmp_settings: 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_update_snmp_settings is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the unifi_update_snmp_settings 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_update_snmp_settings. 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_update_snmp_settings 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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