Open MCP Apps
Supports UIby 2nd1st
An open engine for persistent, reusable AI-built UIs. Build a component once and use it across all your AI chats.
What it does
Open MCP Apps provides a persistent UI layer for AI assistants. Instead of ephemeral chat responses, it allows the AI to author and save single-file HTML components that function as reusable widgets. These apps are backed by a versioned SQLite data store, ensuring that your data persists even when the UI is swapped or updated.
Key features
- Dynamic Component Authoring: The AI can write new UI components on the fly using a specialized authoring guide and
window.omaAPI. - Persistent State: Binds UI components to generic data collections with an append-only ledger for idempotency and concurrency.
- Universal Compatibility: Works across any host supporting the
ui://protocol, including Claude Desktop, Codex, and ChatGPT web. - Built-in Library: Ships with 17 ready-made apps including kanban boards, habit trackers, and knowledge cards.
Installation
- Claude Desktop: Install via the one-liner
curl -fsSL https://raw.githubusercontent.com/2nd1st/open-mcp-apps/main/install.sh | shand select Claude Desktop in the picker. - Codex: Use the same install script and select Codex.
- Manual: Clone the repo and run
node install.mjs.
Supported hosts
Claude Desktop, Codex, ChatGPT web
Quick install
curl -fsSL https://raw.githubusercontent.com/2nd1st/open-mcp-apps/main/install.sh | shInformation
- Pricing
- free
- Published
- 7/29/2026
- stars
- 0
Categories
Choose your AI client and follow the steps below.
Codex
Run the install.sh script and select Codex.ChatGPT
Connect via remote HTTPS (Streamable HTTP mode).Claude Desktop
Run the install.sh script and select Claude Desktop.Related Apps
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