feat: add curl one-liner installer

- Add install.sh script with colored output
- Check prerequisites (git, node 18+, npm)
- Install to ~/.discord-setup-mcp by default
- Support custom install dir via DISCORD_MCP_DIR
- Show next steps with Claude Desktop/Code config

Author: cj-vana

README.md

@@ -51,10 +51,16 @@ An MCP (Model Context Protocol) server for automating Discord server setup using
 ### Quick Install (One-Liner)
 
 ```bash
-git clone https://github.com/cj-vana/discord-setup-mcp.git && cd discord-setup-mcp && npm install && npm run build
+curl -fsSL https://raw.githubusercontent.com/cj-vana/discord-setup-mcp/main/install.sh | bash
 ```
 
-### Step by Step
+This installs to `~/.discord-setup-mcp` by default. Set `DISCORD_MCP_DIR` to customize:
+
+```bash
+DISCORD_MCP_DIR=/custom/path curl -fsSL https://raw.githubusercontent.com/cj-vana/discord-setup-mcp/main/install.sh | bash
+```
+
+### Manual Install
 
 ```bash
 # Clone the repository

install.sh

@@ -0,0 +1,100 @@
+#!/bin/bash
+
+set -e
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+echo -e "${BLUE}================================${NC}"
+echo -e "${BLUE}  Discord Setup MCP Installer${NC}"
+echo -e "${BLUE}================================${NC}"
+echo
+
+# Check for required commands
+check_command() {
+    if ! command -v "$1" &> /dev/null; then
+        echo -e "${RED}Error: $1 is not installed${NC}"
+        echo "Please install $1 and try again"
+        exit 1
+    fi
+}
+
+echo -e "${YELLOW}Checking prerequisites...${NC}"
+check_command git
+check_command node
+check_command npm
+
+# Check Node.js version
+NODE_VERSION=$(node -v | cut -d'v' -f2 | cut -d'.' -f1)
+if [ "$NODE_VERSION" -lt 18 ]; then
+    echo -e "${RED}Error: Node.js 18+ is required (found v$NODE_VERSION)${NC}"
+    exit 1
+fi
+echo -e "${GREEN}✓ Node.js $(node -v)${NC}"
+
+# Set install directory
+INSTALL_DIR="${DISCORD_MCP_DIR:-$HOME/.discord-setup-mcp}"
+
+echo
+echo -e "${YELLOW}Installing to: ${INSTALL_DIR}${NC}"
+
+# Clone or update repository
+if [ -d "$INSTALL_DIR" ]; then
+    echo -e "${YELLOW}Updating existing installation...${NC}"
+    cd "$INSTALL_DIR"
+    git pull origin main
+else
+    echo -e "${YELLOW}Cloning repository...${NC}"
+    git clone https://github.com/cj-vana/discord-setup-mcp.git "$INSTALL_DIR"
+    cd "$INSTALL_DIR"
+fi
+
+# Install dependencies
+echo
+echo -e "${YELLOW}Installing dependencies...${NC}"
+npm install
+
+# Build the project
+echo
+echo -e "${YELLOW}Building project...${NC}"
+npm run build
+
+echo
+echo -e "${GREEN}================================${NC}"
+echo -e "${GREEN}  Installation complete!${NC}"
+echo -e "${GREEN}================================${NC}"
+echo
+echo -e "Installed to: ${BLUE}${INSTALL_DIR}${NC}"
+echo
+echo -e "${YELLOW}Next steps:${NC}"
+echo
+echo "1. Set your Discord bot token:"
+echo -e "   ${BLUE}export DISCORD_BOT_TOKEN=\"your-token-here\"${NC}"
+echo
+echo "2. Add to Claude Desktop config:"
+echo -e "   ${BLUE}~/Library/Application Support/Claude/claude_desktop_config.json${NC} (macOS)"
+echo -e "   ${BLUE}%APPDATA%\\Claude\\claude_desktop_config.json${NC} (Windows)"
+echo
+cat << 'EOF'
+   {
+     "mcpServers": {
+       "discord-setup": {
+         "command": "node",
+EOF
+echo "         \"args\": [\"${INSTALL_DIR}/dist/index.js\"],"
+cat << 'EOF'
+         "env": {
+           "DISCORD_BOT_TOKEN": "your-token-here"
+         }
+       }
+     }
+   }
+EOF
+echo
+echo "3. Or add to Claude Code:"
+echo -e "   ${BLUE}claude mcp add discord-setup node ${INSTALL_DIR}/dist/index.js -e DISCORD_BOT_TOKEN=your-token${NC}"
+echo