modelcontextprotocol/ext-apps

Score: 45.4 Rank #455

Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers

Overview

modelcontextprotocol/ext-apps is a TypeScript MCP server. Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers Topics: ai, apps, mcp, mcp-apps, modelcontextprotocol, ui.

Ranked #455 out of 25632 indexed tools.

In the top 2% of all indexed tools.

Has 1,842 GitHub stars.

Has 37 contributors.

Actively maintained with commits in the last week.

Ecosystem

TypeScript NOASSERTION 4 tool calls

aiappsmcpmcp-appsmodelcontextprotocolui

Signal Breakdown

Stars 1,842

Freshness 3d ago

Issue Health 24%

Contributors 37

Dependents 0

Forks 220

Description Good

License NOASSERTION

How to Improve

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Expand your description to 150+ characters for better discoverability

License low impact

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Issue Health high impact

You have 116 open vs 37 closed issues — triaging stale issues improves health

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Details

Stars: 1,842
Forks: 220
Open Issues: 116
Closed Issues: 37
Contributors: 37
Dependents: —
Language: TypeScript
License: NOASSERTION
Last Commit: 3d ago

Matched Queries

"mcp server""mcp-server"

From the README

<div align="center">
  <picture>
    <source media="(prefers-color-scheme: dark)" srcset="media/mcp-white.svg">
    <source media="(prefers-color-scheme: light)" srcset="media/mcp.svg">
    
  </picture>
  <h1>MCP Apps</h1>
  <p>
    Build interactive UIs for MCP tools — charts, forms, dashboards — that render inline in Claude, ChatGPT and any other compliant chat client.
    <br /><br />
    <a href="#why-mcp-apps">Why</a>
    ·
    <a href="https://apps.extensions.modelcontextprotocol.io/api/documents/Quickstart.html">Quickstart</a>
    ·
    <a href="https://apps.extensions.modelcontextprotocol.io/api/">API Docs</a>
    ·
    <a href="https://github.com/modelcontextprotocol/ext-apps/blob/main/specification/2026-01-26/apps.mdx">Spec</a>
    ·
    <a href="CONTRIBUTING.md">Contributing</a>
  </p>
</div>

<p align="center">
  <a href="https://github.com/modelcontextprotocol/ext-apps/actions/workflows/ci.yml"></a>
  <a href="LICENSE"></a>
  <a href="https://www.npmjs.com/package/@modelc

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