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Build an MCP app with widgets v1.0.0

Use this resource to add interactive widgets to an MCP server

New

  • 553 downloads
  • 184 likes
  • 134 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install mcp-app-interactive-widgets

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent checks whether a widget beats plain text, then designs the UI resources, how they attach to tools and the payload budget. You get an MCP server whose interface renders in the chat, for hosts that support this surface.

Mostly picked by

Updated November 2, 2026

Card for the “Build an MCP app with widgets” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
Apache-2.0

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What you get

  • SKILL.md: when a widget beats text, and widget versus elicitation
  • references/widget-templates.md: widget templates
  • references/iframe-sandbox.md: iframe sandbox constraints

Good fit for

  • Your MCP tool needs a form or picker inside the chat
  • You want an interactive dashboard shown in a conversation

Not for

    Tags

    • mcp
    • widgets
    • chat interface
    • ui

    About

    You say

    “Add a time-slot picker displayed in the chat to my MCP server.”

    Card for the “Build an MCP app with widgets” skill

    Skill published by anthropics under the Apache-2.0 license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to add interactive widgets to an MCP server
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE11.3 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/abuse-protection.md2.4 KB
    • references/apps-sdk-messages.md8.8 KB
    • references/directory-checklist.md1.5 KB
    • references/iframe-sandbox.md5.2 KB
    • references/payload-budgeting.md2.2 KB
    • references/widget-templates.md9 KB
    • SKILL.md19.3 KB

    Origin and licence

    Listed unmodified

    Author
    anthropics
    Source
    github.com/anthropics/claude-plugins-official/tree/f8c5e7a1dcb71b10cb74586224b5401f3de5db28/plugins/mcp-server-dev/skills/build-mcp-app
    Licence
    Apache-2.0

    Notice

    « build-mcp-app » (anthropics, Apache-2.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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