diff --git a/CHANGELOG.md b/CHANGELOG.md
index 67b5bf9c88..0b4f4d1c25 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ Format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ## [Unreleased]
 
+### Added
+- iFlow CLI support — install with `--iflow` flag or select from interactive menu
+
 ## [1.22.0] - 2026-02-27
 
 ### Added
diff --git a/README.md b/README.md
index 91332b8cef..eb911e1722 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 # GET SHIT DONE
 
-**A light-weight and powerful meta-prompting, context engineering and spec-driven development system for Claude Code, OpenCode, Gemini CLI, and Codex.**
+**A light-weight and powerful meta-prompting, context engineering and spec-driven development system for Claude Code, iFlow CLI, OpenCode, Gemini CLI, and Codex.**
 
 **Solves context rot — the quality degradation that happens as Claude fills its context window.**
 
@@ -80,7 +80,7 @@ npx get-shit-done-cc@latest
 ```
 
 The installer prompts you to choose:
-1. **Runtime** — Claude Code, OpenCode, Gemini, Codex, or all
+1. **Runtime** — Claude Code, iFlow CLI, OpenCode, Gemini, Codex, or all
 2. **Location** — Global (all projects) or local (current project only)
 
 Verify with:
diff --git a/bin/install.js b/bin/install.js
index 8a265e643e..493a989be9 100755
--- a/bin/install.js
+++ b/bin/install.js
@@ -41,6 +41,7 @@ const hasOpencode = args.includes('--opencode');
 const hasClaude = args.includes('--claude');
 const hasGemini = args.includes('--gemini');
 const hasCodex = args.includes('--codex');
+const hasIflow = args.includes('--iflow');
 const hasBoth = args.includes('--both'); // Legacy flag, keeps working
 const hasAll = args.includes('--all');
 const hasUninstall = args.includes('--uninstall') || args.includes('-u');
@@ -48,7 +49,7 @@ const hasUninstall = args.includes('--uninstall') || args.includes('-u');
 // Runtime selection - can be set by flags or interactive prompt
 let selectedRuntimes = [];
 if (hasAll) {
-  selectedRuntimes = ['claude', 'opencode', 'gemini', 'codex'];
+  selectedRuntimes = ['claude', 'opencode', 'gemini', 'codex', 'iflow'];
 } else if (hasBoth) {
   selectedRuntimes = ['claude', 'opencode'];
 } else {
@@ -56,6 +57,7 @@ if (hasAll) {
   if (hasClaude) selectedRuntimes.push('claude');
   if (hasGemini) selectedRuntimes.push('gemini');
   if (hasCodex) selectedRuntimes.push('codex');
+  if (hasIflow) selectedRuntimes.push('iflow');
 }
 
 // Helper to get directory name for a runtime (used for local/project installs)
@@ -63,13 +65,14 @@ function getDirName(runtime) {
   if (runtime === 'opencode') return '.opencode';
   if (runtime === 'gemini') return '.gemini';
   if (runtime === 'codex') return '.codex';
+  if (runtime === 'iflow') return '.iflow';
   return '.claude';
 }
 
 /**
  * Get the config directory path relative to home directory for a runtime
  * Used for templating hooks that use path.join(homeDir, '<configDir>', ...)
- * @param {string} runtime - 'claude', 'opencode', 'gemini', or 'codex'
+ * @param {string} runtime - 'claude', 'opencode', 'gemini', 'codex', or 'iflow'
  * @param {boolean} isGlobal - Whether this is a global install
  */
 function getConfigDirFromHome(runtime, isGlobal) {
@@ -85,6 +88,7 @@ function getConfigDirFromHome(runtime, isGlobal) {
   }
   if (runtime === 'gemini') return "'.gemini'";
   if (runtime === 'codex') return "'.codex'";
+  if (runtime === 'iflow') return "'.iflow'";
   return "'.claude'";
 }
 
@@ -98,24 +102,24 @@ function getOpencodeGlobalDir() {
   if (process.env.OPENCODE_CONFIG_DIR) {
     return expandTilde(process.env.OPENCODE_CONFIG_DIR);
   }
-  
+
   // 2. OPENCODE_CONFIG env var (use its directory)
   if (process.env.OPENCODE_CONFIG) {
     return path.dirname(expandTilde(process.env.OPENCODE_CONFIG));
   }
-  
+
   // 3. XDG_CONFIG_HOME/opencode
   if (process.env.XDG_CONFIG_HOME) {
     return path.join(expandTilde(process.env.XDG_CONFIG_HOME), 'opencode');
   }
-  
+
   // 4. Default: ~/.config/opencode (XDG default)
   return path.join(os.homedir(), '.config', 'opencode');
 }
 
 /**
  * Get the global config directory for a runtime
- * @param {string} runtime - 'claude', 'opencode', 'gemini', or 'codex'
+ * @param {string} runtime - 'claude', 'opencode', 'gemini', 'codex', or 'iflow'
  * @param {string|null} explicitDir - Explicit directory from --config-dir flag
  */
 function getGlobalDir(runtime, explicitDir = null) {
@@ -126,7 +130,7 @@ function getGlobalDir(runtime, explicitDir = null) {
     }
     return getOpencodeGlobalDir();
   }
-  
+
   if (runtime === 'gemini') {
     // Gemini: --config-dir > GEMINI_CONFIG_DIR > ~/.gemini
     if (explicitDir) {
@@ -148,7 +152,18 @@ function getGlobalDir(runtime, explicitDir = null) {
     }
     return path.join(os.homedir(), '.codex');
   }
-  
+
+  if (runtime === 'iflow') {
+    // iFlow: --config-dir > IFLOW_CONFIG_DIR > ~/.iflow
+    if (explicitDir) {
+      return expandTilde(explicitDir);
+    }
+    if (process.env.IFLOW_CONFIG_DIR) {
+      return expandTilde(process.env.IFLOW_CONFIG_DIR);
+    }
+    return path.join(os.homedir(), '.iflow');
+  }
+
   // Claude Code: --config-dir > CLAUDE_CONFIG_DIR > ~/.claude
   if (explicitDir) {
     return expandTilde(explicitDir);
@@ -169,7 +184,7 @@ const banner = '\n' +
   '\n' +
   '  Get Shit Done ' + dim + 'v' + pkg.version + reset + '\n' +
   '  A meta-prompting, context engineering and spec-driven\n' +
-  '  development system for Claude Code, OpenCode, Gemini, and Codex by TÂCHES.\n';
+  '  development system for Claude Code, iFlow CLI, OpenCode, Gemini, and Codex by TÂCHES.\n';
 
 // Parse --config-dir argument
 function parseConfigDirArg() {
@@ -203,7 +218,7 @@ console.log(banner);
 
 // Show help if requested
 if (hasHelp) {
-  console.log(`  ${yellow}Usage:${reset} npx get-shit-done-cc [options]\n\n  ${yellow}Options:${reset}\n    ${cyan}-g, --global${reset}              Install globally (to config directory)\n    ${cyan}-l, --local${reset}               Install locally (to current directory)\n    ${cyan}--claude${reset}                  Install for Claude Code only\n    ${cyan}--opencode${reset}                Install for OpenCode only\n    ${cyan}--gemini${reset}                  Install for Gemini only\n    ${cyan}--codex${reset}                   Install for Codex only\n    ${cyan}--all${reset}                     Install for all runtimes\n    ${cyan}-u, --uninstall${reset}           Uninstall GSD (remove all GSD files)\n    ${cyan}-c, --config-dir <path>${reset}   Specify custom config directory\n    ${cyan}-h, --help${reset}                Show this help message\n    ${cyan}--force-statusline${reset}        Replace existing statusline config\n\n  ${yellow}Examples:${reset}\n    ${dim}# Interactive install (prompts for runtime and location)${reset}\n    npx get-shit-done-cc\n\n    ${dim}# Install for Claude Code globally${reset}\n    npx get-shit-done-cc --claude --global\n\n    ${dim}# Install for Gemini globally${reset}\n    npx get-shit-done-cc --gemini --global\n\n    ${dim}# Install for Codex globally${reset}\n    npx get-shit-done-cc --codex --global\n\n    ${dim}# Install for all runtimes globally${reset}\n    npx get-shit-done-cc --all --global\n\n    ${dim}# Install to custom config directory${reset}\n    npx get-shit-done-cc --codex --global --config-dir ~/.codex-work\n\n    ${dim}# Install to current project only${reset}\n    npx get-shit-done-cc --claude --local\n\n    ${dim}# Uninstall GSD from Codex globally${reset}\n    npx get-shit-done-cc --codex --global --uninstall\n\n  ${yellow}Notes:${reset}\n    The --config-dir option is useful when you have multiple configurations.\n    It takes priority over CLAUDE_CONFIG_DIR / GEMINI_CONFIG_DIR / CODEX_HOME environment variables.\n`);
+  console.log(`  ${yellow}Usage:${reset} npx get-shit-done-cc [options]\n\n  ${yellow}Options:${reset}\n    ${cyan}-g, --global${reset}              Install globally (to config directory)\n    ${cyan}-l, --local${reset}               Install locally (to current directory)\n    ${cyan}--claude${reset}                  Install for Claude Code only\n    ${cyan}--iflow${reset}                   Install for iFlow CLI only\n    ${cyan}--opencode${reset}                Install for OpenCode only\n    ${cyan}--gemini${reset}                  Install for Gemini only\n    ${cyan}--codex${reset}                   Install for Codex only\n    ${cyan}--all${reset}                     Install for all runtimes\n    ${cyan}-u, --uninstall${reset}           Uninstall GSD (remove all GSD files)\n    ${cyan}-c, --config-dir <path>${reset}   Specify custom config directory\n    ${cyan}-h, --help${reset}                Show this help message\n    ${cyan}--force-statusline${reset}        Replace existing statusline config\n\n  ${yellow}Examples:${reset}\n    ${dim}# Interactive install (prompts for runtime and location)${reset}\n    npx get-shit-done-cc\n\n    ${dim}# Install for Claude Code globally${reset}\n    npx get-shit-done-cc --claude --global\n\n    ${dim}# Install for iFlow CLI globally${reset}\n    npx get-shit-done-cc --iflow --global\n\n    ${dim}# Install for Gemini globally${reset}\n    npx get-shit-done-cc --gemini --global\n\n    ${dim}# Install for Codex globally${reset}\n    npx get-shit-done-cc --codex --global\n\n    ${dim}# Install for all runtimes globally${reset}\n    npx get-shit-done-cc --all --global\n\n    ${dim}# Install to custom config directory${reset}\n    npx get-shit-done-cc --codex --global --config-dir ~/.codex-work\n\n    ${dim}# Install to current project only${reset}\n    npx get-shit-done-cc --claude --local\n\n    ${dim}# Uninstall GSD from Codex globally${reset}\n    npx get-shit-done-cc --codex --global --uninstall\n\n  ${yellow}Notes:${reset}\n    The --config-dir option is useful when you have multiple configurations.\n    It takes priority over CLAUDE_CONFIG_DIR / GEMINI_CONFIG_DIR / CODEX_HOME / IFLOW_CONFIG_DIR environment variables.\n`);
   process.exit(0);
 }
 
@@ -364,6 +379,13 @@ const claudeToGeminiTools = {
   AskUserQuestion: 'ask_user',
 };
 
+// Tool name mapping from Claude Code to iFlow CLI
+// iFlow CLI is highly compatible with Claude Code, most tools can be used directly
+const claudeToIflowTools = {
+  // iFlow uses the same tool names as Claude Code for most cases
+  // Add any specific mappings here if needed in the future
+};
+
 /**
  * Convert a Claude Code tool name to OpenCode format
  * - Applies special mappings (AskUserQuestion -> question, etc.)
@@ -406,6 +428,25 @@ function convertGeminiToolName(claudeTool) {
   return claudeTool.toLowerCase();
 }
 
+/**
+ * Convert a Claude Code tool name to iFlow CLI format
+ * iFlow CLI is highly compatible with Claude Code, so most tools can be used directly
+ * @returns {string} iFlow tool name
+ */
+function convertIflowToolName(claudeTool) {
+  // Check for explicit mapping
+  if (claudeToIflowTools[claudeTool]) {
+    return claudeToIflowTools[claudeTool];
+  }
+  // Most tools can be used directly in iFlow (same as Claude Code)
+  // MCP tools keep their format
+  if (claudeTool.startsWith('mcp__')) {
+    return claudeTool;
+  }
+  // Default: return as-is (iFlow is compatible with Claude Code)
+  return claudeTool;
+}
+
 function toSingleLine(value) {
   return value.replace(/\s+/g, ' ').trim();
 }
@@ -917,7 +958,7 @@ function convertClaudeToGeminiToml(content) {
 
   const frontmatter = content.substring(3, endIndex).trim();
   const body = content.substring(endIndex + 3).trim();
-  
+
   // Extract description from frontmatter
   let description = '';
   const lines = frontmatter.split('\n');
@@ -934,9 +975,9 @@ function convertClaudeToGeminiToml(content) {
   if (description) {
     toml += `description = ${JSON.stringify(description)}\n`;
   }
-  
+
   toml += `prompt = ${JSON.stringify(body)}\n`;
-  
+
   return toml;
 }
 
@@ -944,7 +985,7 @@ function convertClaudeToGeminiToml(content) {
  * Copy commands to a flat structure for OpenCode
  * OpenCode expects: command/gsd-help.md (invoked as /gsd-help)
  * Source structure: commands/gsd/help.md
- * 
+ *
  * @param {string} srcDir - Source directory (e.g., commands/gsd/)
  * @param {string} destDir - Destination directory (e.g., command/)
  * @param {string} prefix - Prefix for filenames (e.g., 'gsd')
@@ -955,7 +996,7 @@ function copyFlattenedCommands(srcDir, destDir, prefix, pathPrefix, runtime) {
   if (!fs.existsSync(srcDir)) {
     return;
   }
-  
+
   // Remove old gsd-*.md files before copying new ones
   if (fs.existsSync(destDir)) {
     for (const file of fs.readdirSync(destDir)) {
@@ -966,12 +1007,12 @@ function copyFlattenedCommands(srcDir, destDir, prefix, pathPrefix, runtime) {
   } else {
     fs.mkdirSync(destDir, { recursive: true });
   }
-  
+
   const entries = fs.readdirSync(srcDir, { withFileTypes: true });
-  
+
   for (const entry of entries) {
     const srcPath = path.join(srcDir, entry.name);
-    
+
     if (entry.isDirectory()) {
       // Recurse into subdirectories, adding to prefix
       // e.g., commands/gsd/debug/start.md -> command/gsd-debug-start.md
@@ -1594,7 +1635,7 @@ function configureOpencodePermissions(isGlobal = true) {
   const gsdPath = opencodeConfigDir === defaultConfigDir
     ? '~/.config/opencode/get-shit-done/*'
     : `${opencodeConfigDir.replace(/\\/g, '/')}/get-shit-done/*`;
-  
+
   let modified = false;
 
   // Configure read permission
@@ -1824,6 +1865,7 @@ function install(isGlobal, runtime = 'claude') {
   const isOpencode = runtime === 'opencode';
   const isGemini = runtime === 'gemini';
   const isCodex = runtime === 'codex';
+  const isIflow = runtime === 'iflow';
   const dirName = getDirName(runtime);
   const src = path.join(__dirname, '..');
 
@@ -1847,6 +1889,7 @@ function install(isGlobal, runtime = 'claude') {
   if (isOpencode) runtimeLabel = 'OpenCode';
   if (isGemini) runtimeLabel = 'Gemini';
   if (isCodex) runtimeLabel = 'Codex';
+  if (isIflow) runtimeLabel = 'iFlow CLI';
 
   console.log(`  Installing for ${cyan}${runtimeLabel}${reset} to ${cyan}${locationLabel}${reset}\n`);
 
@@ -1864,7 +1907,7 @@ function install(isGlobal, runtime = 'claude') {
     // OpenCode: flat structure in command/ directory
     const commandDir = path.join(targetDir, 'command');
     fs.mkdirSync(commandDir, { recursive: true });
-    
+
     // Copy commands/gsd/*.md as command/gsd-*.md (flatten structure)
     const gsdSrc = path.join(src, 'commands', 'gsd');
     copyFlattenedCommands(gsdSrc, commandDir, 'gsd', pathPrefix, runtime);
@@ -1888,7 +1931,7 @@ function install(isGlobal, runtime = 'claude') {
     // Claude Code & Gemini: nested structure in commands/ directory
     const commandsDir = path.join(targetDir, 'commands');
     fs.mkdirSync(commandsDir, { recursive: true });
-    
+
     const gsdSrc = path.join(src, 'commands', 'gsd');
     const gsdDest = path.join(commandsDir, 'gsd');
     copyWithPathReplacement(gsdSrc, gsdDest, pathPrefix, runtime, true);
diff --git a/package.json b/package.json
index b9c9676869..48eb8174b9 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "get-shit-done-cc",
   "version": "1.22.0",
-  "description": "A meta-prompting, context engineering and spec-driven development system for Claude Code, OpenCode, Gemini and Codex by TÂCHES.",
+  "description": "A meta-prompting, context engineering and spec-driven development system for Claude Code, iFlow CLI, OpenCode, Gemini and Codex by TÂCHES.",
   "bin": {
     "get-shit-done-cc": "bin/install.js"
   },
@@ -20,6 +20,8 @@
     "meta-prompting",
     "context-engineering",
     "spec-driven-development",
+    "iflow",
+    "iflow-cli",
     "gemini",
     "gemini-cli",
     "codex",