Get theme switcher script for dark/light mode
AI agents call get_theme_script to retrieve information from Basecoat UI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves theme switching code/scripts for styling purposes. It does not execute code, modify system state, delete data, or transfer funds. It is a read operation that fetches documentation or code samples. The low severity reflects that exposing theme scripts poses minimal risk—they are styling utilities intended for public use in building interfaces.
From the tool's definition Tool name 'get_theme_script' and description 'Get theme switcher script for dark/light mode' indicate retrieval of a pre-existing script.
Documented attack patterns abuse exactly the kind of access get_theme_script gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Basecoat UI MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_theme_script:
{
"version": "1",
"default": "deny",
"tools": {
"get_theme_script": {}
}
}get_theme_script is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get theme switcher script for dark/light mode. It is categorised as a Read tool in the Basecoat UI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Basecoat UI MCP Server MCP server in PolicyLayer and add a rule for get_theme_script: 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 Basecoat UI MCP Server. Nothing to install.
get_theme_script 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_script 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_script. 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_script is provided by the Basecoat UI MCP Server MCP server (sorbh/basecoat-ui-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Basecoat UI MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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7 Basecoat UI MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.