README.md

@@ -28,6 +28,14 @@ oAI is a feature-rich command-line chat application that provides an interactive
   - Supports code files, text, JSON, YAML, and more
   - Large file handling (auto-truncates >50KB)
   
+- ✍️ **Write Mode** (NEW!): AI can modify files with your permission
+  - Create and edit files within allowed folders
+  - Delete files (always requires confirmation)
+  - Move, copy, and organize files
+  - Create directories
+  - Ignores .gitignore for write operations
+  - OFF by default - explicit opt-in required
+  
 - 🗄️ **Database Mode**: AI can query your SQLite databases
   - Read-only access (no data modification possible)
   - Schema inspection (tables, columns, indexes)
@@ -39,6 +47,8 @@ oAI is a feature-rich command-line chat application that provides an interactive
 - 🔒 **Security Features**:
   - Explicit folder/database approval required
   - System directory blocking
+  - Write mode OFF by default (non-persistent)
+  - Delete operations always require user confirmation
   - Read-only database access
   - SQL injection protection
   - Query timeout (5 seconds)
@@ -133,13 +143,18 @@ oai
 You> /model
 
 # Enable MCP for file access
-You> /mcp enable
+You> /mcp on
 You> /mcp add ~/Documents
 
-# Ask AI to help with files
+# Ask AI to help with files (read-only)
 [🔧 MCP: Files] You> List all Python files in Documents
 [🔧 MCP: Files] You> Read and explain main.py
 
+# Enable write mode to let AI modify files
+You> /mcp write on
+[🔧✍️ MCP: Files+Write] You> Create a new Python file with helper functions
+[🔧✍️ MCP: Files+Write] You> Refactor main.py to use async/await
+
 # Switch to database mode
 You> /mcp add db ~/myapp/data.db
 You> /mcp db 1
@@ -153,7 +168,7 @@ You> /mcp db 1
 
 **Setup:**
 ```bash
-/mcp enable                    # Start MCP server
+/mcp on                        # Start MCP server
 /mcp add ~/Projects            # Grant access to folder
 /mcp add ~/Documents           # Add another folder
 /mcp list                      # View all allowed folders
@@ -167,16 +182,26 @@ You> /mcp db 1
 "What's in my Documents folder?"
 ```
 
-**Available Tools:**
+**Available Tools (Read-Only):**
 - `read_file` - Read complete file contents
 - `list_directory` - List files/folders (recursive optional)
 - `search_files` - Search by name or content
 
+**Available Tools (Write Mode - requires `/mcp write on`):**
+- `write_file` - Create new files or overwrite existing ones
+- `edit_file` - Find and replace text in existing files
+- `delete_file` - Delete files (always requires confirmation)
+- `create_directory` - Create directories
+- `move_file` - Move or rename files
+- `copy_file` - Copy files to new locations
+
 **Features:**
-- ✅ Automatic .gitignore filtering
+- ✅ Automatic .gitignore filtering (read operations only)
 - ✅ Skips virtual environments (venv, node_modules)
 - ✅ Handles large files (auto-truncates >50KB)
 - ✅ Cross-platform (macOS, Linux, Windows via WSL)
+- ✅ Write mode OFF by default for safety
+- ✅ Delete operations require user confirmation with LLM's reason
 
 ### Database Mode
 
@@ -210,13 +235,41 @@ You> /mcp db 1
 - ✅ WHERE, GROUP BY, HAVING, ORDER BY, LIMIT
 - ❌ INSERT/UPDATE/DELETE (blocked for safety)
 
+### Write Mode
+
+**Enable Write Mode:**
+```bash
+/mcp write on      # Enable write mode (shows warning, requires confirmation)
+```
+
+**Natural Language Usage:**
+```
+"Create a new Python file called utils.py with helper functions"
+"Edit main.py and replace the old API endpoint with the new one"
+"Delete the backup.old file" (will prompt for confirmation)
+"Create a directory called tests"
+"Move config.json to the config folder"
+```
+
+**Important:**
+- ⚠️ Write mode is **OFF by default** and resets each session
+- ⚠️ Delete operations **always** require user confirmation
+- ⚠️ All operations are limited to allowed MCP folders
+- ✅ Write operations ignore .gitignore (can write to any file in allowed folders)
+
+**Disable Write Mode:**
+```bash
+/mcp write off     # Disable write mode (back to read-only)
+```
+
 ### Mode Management
 
 ```bash
-/mcp status        # Show current mode, stats, folders/databases
+/mcp status        # Show current mode, write mode, stats, folders/databases
 /mcp files         # Switch to file mode
 /mcp db <number>   # Switch to database mode
 /mcp gitignore on  # Enable .gitignore filtering (default)
+/mcp write on|off  # Enable/disable write mode
 /mcp remove 2      # Remove folder/database by number
 ```
 
@@ -238,9 +291,9 @@ You> /mcp db 1
 
 ### MCP Commands
 ```
-/mcp enable        Start MCP server
+/mcp on            Start MCP server
-/mcp disable       Stop MCP server
+/mcp off           Stop MCP server
-/mcp status        Show comprehensive status
+/mcp status        Show comprehensive status (includes write mode)
 /mcp add <folder>  Add folder for file access
 /mcp add db <path> Add SQLite database
 /mcp list          List all folders
@@ -249,6 +302,8 @@ You> /mcp db 1
 /mcp files         Switch to file mode
 /mcp remove <num>  Remove folder/database
 /mcp gitignore on  Enable .gitignore filtering
+/mcp write on      Enable write mode (create/edit/delete files)
+/mcp write off     Disable write mode (read-only)
 ```
 
 ### Model Commands
@@ -356,7 +411,11 @@ PDF (models with document support)
 - ✅ Database opened in `mode=ro`
 
 ### File System Safety
-- ✅ Read-only access (no write/delete)
+- ✅ Read-only by default (write mode requires explicit opt-in)
+- ✅ Write mode OFF by default each session (non-persistent)
+- ✅ Delete operations always require user confirmation
+- ✅ Write operations limited to allowed folders only
+- ✅ System directories blocked
 - ✅ Virtual environment exclusion
 - ✅ Build artifact filtering
 - ✅ Maximum file size (10 MB)
@@ -444,14 +503,19 @@ ls -la database.db
 
 ## Version History
 
-### v2.1.0-beta (Current)
+### v2.1.0-RC1 (Current)
 - ✨ **NEW**: MCP (Model Context Protocol) integration
 - ✨ **NEW**: File system access (read, search, list)
+- ✨ **NEW**: Write mode - AI can create, edit, and delete files
+  - 6 write tools: write_file, edit_file, delete_file, create_directory, move_file, copy_file
+  - OFF by default - requires explicit `/mcp write on` activation
+  - Delete operations always require user confirmation
+  - Non-persistent setting (resets each session)
 - ✨ **NEW**: SQLite database querying (read-only)
 - ✨ **NEW**: Dual mode support (Files & Database)
 - ✨ **NEW**: .gitignore filtering
 - ✨ **NEW**: Binary data handling in databases
-- ✨ **NEW**: Mode indicators in prompt
+- ✨ **NEW**: Mode indicators in prompt (shows ✍️ when write mode active)
 - ✨ **NEW**: Comprehensive `/help mcp` guide
 - 🔧 Improved error handling for tool calls
 - 🔧 Enhanced logging for MCP operations