Generate Mcp App Ui (Grade A) logo

Generate Mcp App Ui (Grade A)Security-tested development skill for Claude AI. Grade A. Generate an MCP App widget (self-contained HTML) for an MCP tool. Describe the visual you want and paste your tool's test output. Use when use

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Daniel NikulshynReviewed by Daniel Nikulshyn·Updated July 2026

Overview

Generate an MCP App widget (self-contained HTML) for an MCP tool. Describe the visual you want and paste your tool's test output. This skill generates focused, single-purpose widgets that display a tool's output visually inside a chat conversation. It requires a description of the visual and the tool's test output in JSON format. The generated widget can be interactive if a tool name is provided, allowing it to call the tool and refresh the data.

Key features

  • Generates self-contained HTML widgets
  • Supports interactive widgets with callServerTool functionality
  • Handles various data types with type-safe checks
  • Encourages use of Fluent UI and design guidelines for visual consistency

Pricing

Model
Free
Category
Skills
Rating
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Use cases

Tool Output Visualization

A user wants to visualize the output of a tool as a chart or table in a chat conversation. They provide a description of the desired visual and the tool's test output in JSON format.

Interactive Dashboard

A user requests an interactive widget that displays data from a tool and allows refreshing the data. The user provides a tool name and test output.

Pros & Cons

Pros

  • Generates visually appealing widgets for chat conversations
  • Allows for interactive widgets with refresh capabilities
  • Encourages compact and focused visual representations of data

Cons

  • Requires specific input from users (description of visual and tool's test output)
  • Limited to generating widgets based on provided data, without making assumptions about the data shape

Reviews

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Q&A

Can the widget refresh data automatically?

If you provide a tool name, the generated HTML can include a `callServerTool` function that lets the widget call the tool and refresh its data. Without a tool name, the widget displays the data read‑only.

Asked by Bilal Choudhury · Jan 11, 2026

Is there a learning curve to using this skill?

The main steps are describing the desired visual (e.g., chart, table) and supplying the tool’s JSON output. Once those are provided, the skill outputs the HTML; no additional coding is needed, though familiarity with Fluent UI guidelines can help customize the look.

Asked by Sarai Cohen · Jan 11, 2026

Do I need to provide my tool’s data before creating a widget?

Yes. The tool requires a test output in JSON format from the tool you want to visualize. Without this JSON, it will prompt you to paste it; it will not guess the data shape.

Asked by Yara Mansour · Nov 20, 2025

What kind of visual outputs can this tool generate?

It creates self‑contained HTML widgets such as charts, comparison tables or maps that display a tool’s JSON output. The widget is styled with Fluent UI for consistency and can be interactive if a tool name is supplied.

Asked by Tobias Hartmann · Oct 18, 2025

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