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MCP Apps extension specification v1.0.0

Use this resource to implement or debug an MCP Apps extension

New

  • 456 downloads
  • 167 likes
  • 126 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install mcp-apps-specification

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 and writes the server side and the view of an MCP Apps interface: resource and tool registration, _meta.ui fields, ui/* methods and host context. You get an implementation that follows the specification.

Mostly picked by

Updated November 2, 2026

Card for the “MCP Apps extension specification” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: resource and tool registrations, and every _meta.ui field
  • SKILL.md: JSON-RPC bridge between the view and the host, and host context

Good fit for

  • An MCP tool must show an interactive card in Claude or ChatGPT
  • Your view does not receive the tool results

Not for

    Tags

    • mcp apps
    • mcp
    • interface
    • json-rpc
    • ui

    About

    You say

    “Check that my MCP server declares the ui:// resource and the _meta.ui field on the right tool.”

    Card for the “MCP Apps extension specification” skill

    Skill published by mcp-apps-studio under the MIT 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 implement or debug an MCP Apps extension
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md8.3 KB

    Origin and licence

    Listed unmodified

    Author
    mcp-apps-studio
    Source
    github.com/thelobbi/claude/tree/f971cbfa27f0d1cd9d885bb9ae0f325dbe90dc27/plugins/mcp-apps-studio/skills/mcp-apps-protocol
    Licence
    MIT

    Notice

    « mcp-apps-protocol » (mcp-apps-studio, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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