How to Use the UI/UX Excellence Prover MCP in Pydantic AI

Ensure perfect, validated interface specifications with Pydantic AI and UI/UX Excellence Prover.

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Connect UI/UX Excellence Prover MCP to Pydantic AI

Create your Vinkius account to connect UI/UX Excellence Prover to Pydantic AI and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup UI/UX Excellence Prover with Pydantic AI

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Enforcing Design Hierarchy

The `validate_uiux_excellence` tool enforces clear spatial depth by checking for semantic elevation levels (0-5). It prevents 'flat decoration'—where all buttons look the same and nothing is prioritized—by demanding distinct shadows and z-index layers. This strict validation ensures that when your agent outputs an interface schema, the priority of elements (e.g., a critical error vs. a background card) is mathematically defined.

Validating User Interaction Flows

The tool validates microinteraction completeness by enforcing eight states per interactive element. It verifies that your schema accounts for the full user journey: default, hover, focus-visible, active/pressed, loading, success, error, and disabled. If you define a button in your Pydantic model but forget its 'loading' state, this Prover will catch it, preventing runtime failures due to incomplete UX definitions.

Guaranteeing Accessibility Standards

The `validate_uiux_excellence` checks for WCAG 2.2 AAA compliance across your defined schema. It requires explicit alt text on images and ensures every element has a proper focus-visible ring. Furthermore, it validates the underlying rhythm by checking that your typographic scale maintains a minimum 3:1 ratio between headings and body text.

Setup guide

Set up UI/UX Excellence Prover MCP in Pydantic AI

Prerequisites

Python 3.10+ installed
pydantic-ai-slim[fastmcp] package
Active Vinkius subscription with a valid endpoint token

1

Install Pydantic AI with FastMCP
Run pip install "pydantic-ai-slim[fastmcp]". The FastMCP toolset replaces the deprecated MCPServerHTTP class with full protocol support.
2

Configure the FastMCPToolset
Pass a JSON-style config dict to FastMCPToolset with your Vinkius URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. Supports Streamable HTTP, SSE, and Stdio transports.
3

Create and run your agent
Pass the toolset to Agent(toolsets=[toolset]) and call agent.run(). Swap openai:gpt-4o for any supported model — Anthropic, Google, Mistral, or Groq.

agent.py

from pydantic_ai import Agent
from pydantic_ai.toolsets.fastmcp import FastMCPToolset

toolset = FastMCPToolset({
    "mcpServers": {
        "uiux-excellence-prover-mcp": {
            "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
        }
    }
})

agent = Agent(
    "openai:gpt-4o",
    toolsets=[toolset],
    system_prompt="You have access to UI/UX Excellence Prover tools.",
)

result = await agent.run("List recent UI/UX Excellence Prover transactions")
print(result.output)

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Common questions about UI/UX Excellence Prover MCP in Pydantic AI

It acts as a post-validation layer for your generated schemas. It confirms that the defined structure adheres to modern, human-centered design rules and accessibility standards.

Yes. The tool checks for purposeful animation definitions, requiring spring physics and 60fps adherence. This ensures that even if your agent defines a transition, it's functional, not just decorative.

This MCP Server validates Interface Design Artifacts. It ensures that when sensitive information is displayed (like user settings or error messages), it adheres to best practices for transparency and control.

It's extremely valuable. It elevates your output from 'data structure' to 'usable interface specification,' guaranteeing the final product is usable and compliant.

The tool accepts detailed specifications covering spatial, motion, micro, rhythm, and accessibility details. It's built to validate the *principles* of design, regardless of minor input format variations.

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