Get details of a specific tweakcn theme
AI agents call get_theme to retrieve information from Shadcn Ui without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves theme configuration details from a shadcn UI component library. It performs a read-only query operation with no side effects, data modification, code execution, or destructive capability. The low severity reflects minimal risk from misuse—an AI agent could at worst retrieve unintended theme information, but cannot alter systems or cause harm.
From the tool's definition Tool name 'get_theme' and description 'Get details of a specific shadcn theme' indicate a retrieval operation. The verb 'Get' and the context of a UI documentation/component server show this tool queries and returns theme information without modifying state.
Documented attack patterns abuse exactly the kind of access get_theme gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Shadcn Ui, and nothing reaches the server without passing your rules. This is the rule we recommend for get_theme:
{
"version": "1",
"default": "deny",
"tools": {
"get_theme": {}
}
}get_theme is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get details of a specific tweakcn theme. It is categorised as a Read tool in the Shadcn Ui MCP Server, which means it retrieves data without modifying state.
Register the Shadcn Ui MCP server in PolicyLayer and add a rule for get_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 Shadcn Ui. Nothing to install.
get_theme 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 get_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 get_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.
get_theme is provided by the Shadcn Ui MCP server (jpisnice/shadcn-ui-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Shadcn Ui, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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10 Shadcn Ui tools catalogued and risk-classified — across an index of 43,000+ MCP servers.