Uninstall an Omarchy extra theme by name. Built-in themes cannot be removed.
AI agents call omarchy_remove_theme to permanently remove resources in Omarchy — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Removing/uninstalling a theme is a destructive action—it irreversibly deletes the theme package and associated files. While the blast radius is limited to local UI customization (not system-critical), the operation cannot be undone by the tool itself, fitting the Destructive category.
From the tool's definition Tool description explicitly states 'Uninstall an Omarchy extra theme by name', where 'uninstall' is an irreversible removal operation. The action deletes theme data that cannot be recovered through normal means.
Attacks that exploit this kind of access
Uninstall an Omarchy extra theme by name. Built-in themes cannot be removed. It is categorised as a Destructive tool in the Omarchy MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Omarchy MCP server in PolicyLayer and add a rule for omarchy_remove_theme: 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 Omarchy. Nothing to install.
omarchy_remove_theme is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the omarchy_remove_theme 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 omarchy_remove_theme. 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.
omarchy_remove_theme is provided by the Omarchy MCP server (servicestack/omarchy-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
omarchy_remove_theme is one line of Omarchy's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →