Aplica best practices do Material-UI (theme.spacing, alpha, sx prop)
AI agents use apply_material_ui_best_practices to create or update resources in UX/UI Tools for React + Material UI — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your UX/UI Tools for React + Material UI environment.
This tool modifies React component properties and styling configurations (theme.spacing, alpha, sx prop), which constitutes creating or updating component code/configuration. These changes are reversible—styles can be reverted or adjusted—so it falls under Write rather than Execute or Destructive.
From the tool's definition The tool name and description indicate it 'applies' Material-UI best practices to React components, modifying component styling via theme.spacing, alpha, and sx properties.
Attacks that exploit this kind of access
Aplica best practices do Material-UI (theme.spacing, alpha, sx prop). It is categorised as a Write tool in the UX/UI Tools for React + Material UI MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the UX/UI Tools for React + Material UI MCP server in PolicyLayer and add a rule for apply_material_ui_best_practices: 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 UX/UI Tools for React + Material UI. Nothing to install.
apply_material_ui_best_practices 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 apply_material_ui_best_practices 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 apply_material_ui_best_practices. 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.
apply_material_ui_best_practices is provided by the UX/UI Tools for React + Material UI MCP server (marcusviniciusbarcelos/uiux-tools-react-mui). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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