github · mnriem · Mar 13, 2026 · Mar 11, 2026 · Mar 11, 2026 · Mar 11, 2026
@@ -442,7 +442,7 @@ function Build-Variant {
             if (Test-Path $tabnineTemplate) { Copy-Item $tabnineTemplate (Join-Path $baseDir 'TABNINE.md') }
         }
         'agy' {
-            $cmdDir = Join-Path $baseDir ".agent/workflows"
+            $cmdDir = Join-Path $baseDir ".agent/commands"
             Generate-Commands -Agent 'agy' -Extension 'md' -ArgFormat '$ARGUMENTS' -OutputDir $cmdDir -ScriptVariant $Script
         }
         'vibe' {

@@ -280,8 +280,8 @@ build_variant() {
       mkdir -p "$base_dir/.kiro/prompts"
       generate_commands kiro-cli md "\$ARGUMENTS" "$base_dir/.kiro/prompts" "$script" ;;
     agy)
-      mkdir -p "$base_dir/.agent/workflows"
-      generate_commands agy md "\$ARGUMENTS" "$base_dir/.agent/workflows" "$script" ;;
+      mkdir -p "$base_dir/.agent/commands"
+      generate_commands agy md "\$ARGUMENTS" "$base_dir/.agent/commands" "$script" ;;
     bob)
       mkdir -p "$base_dir/.bob/commands"
       generate_commands bob md "\$ARGUMENTS" "$base_dir/.bob/commands" "$script" ;;

@@ -88,7 +88,7 @@ This eliminates the need for special-case mappings throughout the codebase.
 - `folder`: Directory where agent-specific files are stored (relative to project root)
 - `commands_subdir`: Subdirectory name within the agent folder where command/prompt files are stored (default: `"commands"`)
   - Most agents use `"commands"` (e.g., `.claude/commands/`)
-  - Some agents use alternative names: `"agents"` (copilot), `"workflows"` (windsurf, kilocode, agy), `"prompts"` (codex, kiro-cli), `"command"` (opencode - singular)
+  - Some agents use alternative names: `"agents"` (copilot), `"workflows"` (windsurf, kilocode), `"prompts"` (codex, kiro-cli), `"command"` (opencode - singular)
   - This field enables `--ai-skills` to locate command templates correctly for skill generation
 - `install_url`: Installation documentation URL (set to `None` for IDE-based agents)
 - `requires_cli`: Whether the agent requires a CLI tool check during initialization

@@ -181,7 +181,7 @@ See Spec-Driven Development in action across different scenarios with these comm
 | [Mistral Vibe](https://github.com/mistralai/mistral-vibe)                            | ✅      |                                                                                                                                           |
 | [Kimi Code](https://code.kimi.com/)                                                  | ✅      |                                                                                                                                           |
 | [Windsurf](https://windsurf.com/)                                                    | ✅      |                                                                                                                                           |
-| [Antigravity (agy)](https://antigravity.google/)                                     | ✅      |                                                                                                                                           |
+| [Antigravity (agy)](https://antigravity.google/)                                     | ✅      | Requires `--ai-skills` |
 | Generic                                                                              | ✅      | Bring your own agent — use `--ai generic --ai-commands-dir <path>` for unsupported agents                                                 |
 
 ## 🔧 Specify CLI Reference
@@ -246,7 +246,7 @@ specify init my-project --ai vibe
 specify init my-project --ai bob
 
 # Initialize with Antigravity support
-specify init my-project --ai agy
+specify init my-project --ai agy --ai-skills
 
 # Initialize with an unsupported agent (generic / bring your own agent)
 specify init my-project --ai generic --ai-commands-dir .myagent/commands/

@@ -247,7 +247,7 @@ def _format_rate_limit_error(status_code: int, headers: httpx.Headers, url: str)
     "agy": {
         "name": "Antigravity",
         "folder": ".agent/",
-        "commands_subdir": "workflows",  # Special: uses workflows/ not commands/
+        "commands_subdir": "commands",
         "install_url": None,  # IDE-based
         "requires_cli": False,
     },
@@ -1270,6 +1270,22 @@ def install_ai_skills(project_path: Path, selected_ai: str, tracker: StepTracker
     return installed_count > 0 or skipped_count > 0
 
 
+def _handle_agy_deprecation(console: Console) -> None:
+    """
+    Print the deprecation error for the Antigravity (agy) agent and exit.
+
+    Context for future AI reviewers (e.g., GitHub Copilot):
+    - Prior to Antigravity v1.20.5, users could rely on explicit agent command definitions generated by this tool.
+    - v1.20.5 removed this "command support" in favor of "Agent Skills".
+    - `specify_cli` handles this by throwing a fail-fast deprecation error if `--ai agy` is 
+      invoked without the accompanying `--ai-skills` flag. Users are instructed to add 
+      the skills flag to generate agent skills templates instead.
+    """
+    console.print("\n[red]Error:[/red] Explicit command support was deprecated in Antigravity version 1.20.5.")
+    console.print("Please use [cyan]--ai-skills[/cyan] when initializing to install templates as agent skills instead.")
+    console.print("[yellow]Usage:[/yellow] specify init <project> --ai agy --ai-skills")
+    raise typer.Exit(1)
+
 @app.command()
 def init(
     project_name: str = typer.Argument(None, help="Name for your new project directory (optional if using --here, or use '.' for current directory)"),
@@ -1379,26 +1395,6 @@ def init(
             console.print(error_panel)
             raise typer.Exit(1)
 
-    current_dir = Path.cwd()
-
-    setup_lines = [
-        "[cyan]Specify Project Setup[/cyan]",
-        "",
-        f"{'Project':<15} [green]{project_path.name}[/green]",
-        f"{'Working Path':<15} [dim]{current_dir}[/dim]",
-    ]
-
-    if not here:
-        setup_lines.append(f"{'Target Path':<15} [dim]{project_path}[/dim]")
-
-    console.print(Panel("\n".join(setup_lines), border_style="cyan", padding=(1, 2)))
-
-    should_init_git = False
-    if not no_git:
-        should_init_git = check_tool("git")
-        if not should_init_git:
-            console.print("[yellow]Git not found - will skip repository initialization[/yellow]")
-
     if ai_assistant:
         if ai_assistant not in AGENT_CONFIG:
             console.print(f"[red]Error:[/red] Invalid AI assistant '{ai_assistant}'. Choose from: {', '.join(AGENT_CONFIG.keys())}")
@@ -1413,6 +1409,25 @@ def init(
             "copilot"
         )
 
+    # [DEPRECATION NOTICE: Antigravity (agy)]
+    # As of Antigravity v1.20.5, traditional CLI "command" support was fully removed
+    # in favor of "Agent Skills" (Prompt.MD files within .agent/skills/).
+    # Because 'specify_cli' historically populated .agent/commands/, we now must explicitly
+    # enforce the `--ai-skills` flag for `agy` to ensure valid template generation.
+    if selected_ai == "agy" and not ai_skills:
+        # If agy was selected interactively (no --ai provided), automatically enable
+        # ai_skills so the agent remains usable without requiring an extra flag.
+        # Preserve deprecation behavior only for explicit '--ai agy' without skills.
+        if ai_assistant:
+            _handle_agy_deprecation(console)
+        else:
+            ai_skills = True
+            console.print(
+                "\n[yellow]Note:[/yellow] 'agy' was selected interactively; "
+                "enabling [cyan]--ai-skills[/cyan] automatically for compatibility "
+                "(explicit .agent/commands usage is deprecated)."
+            )
+
     # Validate --ai-commands-dir usage
     if selected_ai == "generic":
         if not ai_commands_dir:
@@ -1423,6 +1438,26 @@ def init(
         console.print(f"[red]Error:[/red] --ai-commands-dir can only be used with --ai generic (not '{selected_ai}')")
         raise typer.Exit(1)
 
+    current_dir = Path.cwd()
+
+    setup_lines = [
+        "[cyan]Specify Project Setup[/cyan]",
+        "",
+        f"{'Project':<15} [green]{project_path.name}[/green]",
+        f"{'Working Path':<15} [dim]{current_dir}[/dim]",
+    ]
+
+    if not here:
+        setup_lines.append(f"{'Target Path':<15} [dim]{project_path}[/dim]")
+
+    console.print(Panel("\n".join(setup_lines), border_style="cyan", padding=(1, 2)))
+
+    should_init_git = False
+    if not no_git:
+        should_init_git = check_tool("git")
+        if not should_init_git:
+            console.print("[yellow]Git not found - will skip repository initialization[/yellow]")
+
     if not ignore_agent_tools:
         agent_config = AGENT_CONFIG.get(selected_ai)
         if agent_config and agent_config["requires_cli"]:

@@ -62,7 +62,14 @@ def test_release_ps_switch_has_shai_and_agy_generation(self):
         ps_text = (REPO_ROOT / ".github" / "workflows" / "scripts" / "create-release-packages.ps1").read_text(encoding="utf-8")
 
         assert re.search(r"'shai'\s*\{.*?\.shai/commands", ps_text, re.S) is not None
-        assert re.search(r"'agy'\s*\{.*?\.agent/workflows", ps_text, re.S) is not None
+        assert re.search(r"'agy'\s*\{.*?\.agent/commands", ps_text, re.S) is not None
+
+    def test_release_sh_switch_has_shai_and_agy_generation(self):
+        """Bash release builder must generate files for shai and agy agents."""
+        sh_text = (REPO_ROOT / ".github" / "workflows" / "scripts" / "create-release-packages.sh").read_text(encoding="utf-8")
+
+        assert re.search(r"shai\)\s*\n.*?\.shai/commands", sh_text, re.S) is not None
+        assert re.search(r"agy\)\s*\n.*?\.agent/commands", sh_text, re.S) is not None
 
     def test_init_ai_help_includes_roo_and_kiro_alias(self):
         """CLI help text for --ai should stay in sync with agent config and alias guidance."""

@@ -661,6 +661,47 @@ def test_ai_skills_without_ai_shows_usage(self):
         assert "Usage:" in result.output
         assert "--ai" in result.output
 
+    def test_agy_without_ai_skills_fails(self):
+        """--ai agy without --ai-skills should fail with exit code 1."""
+        from typer.testing import CliRunner
+
+        runner = CliRunner()
+        result = runner.invoke(app, ["init", "test-proj", "--ai", "agy"])
+
+        assert result.exit_code == 1
+        assert "Explicit command support was deprecated in Antigravity version 1.20.5." in result.output
+        assert "--ai-skills" in result.output
+
+    def test_interactive_agy_without_ai_skills_prompts_skills(self, monkeypatch):
+        """Interactive selector returning agy without --ai-skills should automatically enable --ai-skills."""
+        import specify_cli
+        from typer.testing import CliRunner
+
+        # Mock select_with_arrows to simulate the user picking 'agy' for AI, but default otherwise
+        original_select_with_arrows = specify_cli.select_with_arrows
+
+        def _fake_select_with_arrows(*args, **kwargs):
+            options = kwargs.get("options")
+            if options is None and len(args) >= 1:
+                options = args[0]
+            if isinstance(options, dict) and "agy" in options:
+                return "agy"
+            return original_select_with_arrows(*args, **kwargs)
+
+        monkeypatch.setattr("specify_cli.select_with_arrows", _fake_select_with_arrows)
+
+        # Mock download_and_extract_template to prevent real HTTP downloads during testing
+        monkeypatch.setattr("specify_cli.download_and_extract_template", lambda *args, **kwargs: None)
+        # We need to bypass the `git init` step, wait, it has `--no-git` by default in tests maybe?
+        runner = CliRunner()
+        # Create temp dir to avoid directory already exists errors or whatever
+        with runner.isolated_filesystem():
+            result = runner.invoke(app, ["init", "test-proj", "--no-git"])
+
+            # Interactive selection should NOT raise the deprecation error!
+            assert result.exit_code == 0
+            assert "Explicit command support was deprecated" not in result.output
+
     def test_ai_skills_flag_appears_in_help(self):
         """--ai-skills should appear in init --help output."""
         from typer.testing import CliRunner