docs: update README

Author: ahonn

README.md

@@ -22,7 +22,7 @@ PageIndex is a revolutionary document processing system that uses **reasoning-ba
 - **Full PageIndex Integration**: Access all PageIndex capabilities (OCR, tree generation, reasoning-based retrieval)
 - **Secure Authentication**: API key authentication with PageIndex platform
 - **TypeScript**: Full type safety with MCP SDK
-- **Claude Desktop Ready**: Easy integration with Claude Desktop
+- **Desktop Extension (DXT)**: One-click installation for Claude Desktop with secure configuration
 
 ## Usage
 
@@ -34,7 +34,26 @@ First, you'll need to create an API key:
 2. Create a new API key for your application
 3. Copy the API key for use in the configuration below
 
-### Option 1: Local MCP Server (with local PDF upload)
+### For Claude Desktop (Recommended)
+
+**One-Click Installation with Desktop Extension (DXT):**
+
+1. Download the latest `.dxt` file from [Releases](https://github.com/VectifyAI/pageindex-mcp/releases)
+2. Double-click the `.dxt` file to install automatically in Claude Desktop
+3. Enter your PageIndex API key in the simple configuration interface
+
+**Benefits of DXT Installation:**
+
+- **No technical setup** - just download and double-click
+- **Secure configuration** - API keys stored securely by Claude Desktop
+- **Automatic updates** - extensions update seamlessly
+- **Full local PDF support** - upload and process PDFs directly from your computer
+
+This is the easiest way to get started with PageIndex's reasoning-based RAG capabilities.
+
+### For Other MCP-Compatible Clients
+
+#### Option 1: Local MCP Server (with local PDF upload)
 
 **Requirements:** Node.js ≥18.0.0
 
@@ -54,7 +73,7 @@ Add to your MCP configuration:
 }
 ```
 
-### Option 2: Remote MCP Server
+#### Option 2: Remote MCP Server
 
 Alternatively, connect directly to PageIndex without this wrapper:
 
@@ -76,16 +95,17 @@ Alternatively, connect directly to PageIndex without this wrapper:
 
 ## Available Tools
 
-| Tool | Description | Key Parameters |
-|------|-------------|----------------|
-| **process_document** | Upload and process PDF documents from local files or URLs with PageIndex OCR and tree generation | `url` - Local file path or PDF URL |
-| **recent_documents** | Get recent documents with status overview | `limit` (optional) |
-| **get_document** | Get basic document info and status | `doc_id` |
-| **get_document_structure** | Extract hierarchical document structure with configurable detail levels | `doc_id`, `max_depth` (1-10) |
-| **get_page_content** | Extract specific page content from processed documents | `doc_id`, `pages` ("5", "3-7", "1,5,10") |
-| **remove_document** | Permanently delete documents and associated data | `doc_ids` (array of document IDs) |
+| Tool                       | Description                                                                                      | Key Parameters                           |
+| -------------------------- | ------------------------------------------------------------------------------------------------ | ---------------------------------------- |
+| **process_document**       | Upload and process PDF documents from local files or URLs with PageIndex OCR and tree generation | `url` - Local file path or PDF URL       |
+| **recent_documents**       | Get recent documents with status overview                                                        | `limit` (optional)                       |
+| **get_document**           | Get basic document info and status                                                               | `doc_id`                                 |
+| **get_document_structure** | Extract hierarchical document structure with configurable detail levels                          | `doc_id`, `max_depth` (1-10)             |
+| **get_page_content**       | Extract specific page content from processed documents                                           | `doc_id`, `pages` ("5", "3-7", "1,5,10") |
+| **remove_document**        | Permanently delete documents and associated data                                                 | `doc_ids` (array of document IDs)        |
 
 > **Quick Example**: Process a local PDF with `process_document`, then extract content with `get_page_content` using the returned document ID.
 
 ## License
+
 This project is licensed under the terms of the MIT open source license. Please refer to [MIT](./LICENSE) for the full terms.