Updated Docs for OMM Hosted Version (#2945)

docs/openmemory/quickstart.mdx

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 <Snippet file="paper-release.mdx" />
 
+## 🚀 Hosted OpenMemory MCP Now Available!
+
+#### Sign Up Now - [app.openmemory.dev](https://app.openmemory.dev)
+
+Everything you love about OpenMemory MCP but with zero setup.
+
+✅ Works with all MCP-compatible tools (Claude Desktop, Cursor...)  
+✅ Same standard memory ops: `add_memories`, `search_memory`, etc  
+✅ One-click provisioning, no Docker required  
+✅ Powered by Mem0  
+
+Add shared, persistent, low-friction memory to your MCP-compatible clients in seconds.
+
+### 🌟 Get Started Now
+**Sign up and get your access key at [app.openmemory.dev](https://app.openmemory.dev)**
+
+Example installation: `npx @openmemory/install --client claude --env OPENMEMORY_API_KEY=your-key`
+
+## Getting Started with Hosted OpenMemory
+
+The fastest way to get started is with our hosted version - no setup required:
+
+### 1. Get your API key
+Visit [app.openmemory.dev](https://app.openmemory.dev) to sign up and get your `OPENMEMORY_API_KEY`.
+
+### 2. Install and connect to your preferred client
+Example commands (replace `your-key` with your actual API key):
+
+For Claude Desktop: `npx @openmemory/install --client claude --env OPENMEMORY_API_KEY=your-key`
+
+For Cursor: `npx @openmemory/install --client cursor --env OPENMEMORY_API_KEY=your-key`
+
+For Windsurf: `npx @openmemory/install --client windsurf --env OPENMEMORY_API_KEY=your-key`
+
+That's it! Your AI client now has persistent memory across sessions.
+
+## Local Setup (Self-Hosted)
+
+Prefer to run OpenMemory locally? Follow the instructions below for a self-hosted setup.
+
 ## OpenMemory Easy Setup
 
 ### Prerequisites