feat(tools): add Command Code support as a skills-only tool

.changeset/friendly-commandcode-support.md

@@ -0,0 +1,7 @@
+---
+"@fission-ai/openspec": minor
+---
+
+### New Features
+
+- **Command Code support** — `openspec init` now supports Command Code as an adapterless skills-only tool. It installs the OpenSpec skills under `.commandcode/skills/` and invokes them as `/openspec-*` commands, matching Command Code's native skill surface.

docs/cli.md

@@ -109,7 +109,7 @@ openspec init [path] [options]
 
 The welcome animation is also skipped when the `OPENSPEC_NO_ANIMATION` environment variable is set (any value, including empty), when `NO_COLOR` is set to a non-empty value, or when the OS reduced-motion preference is enabled (macOS Reduce Motion, GNOME animations disabled).
 
-**Supported tool IDs (`--tools`)** — `windsurf` is also accepted, as an alias for `devin`: `amazon-q`, `antigravity`, `auggie`, `bob`, `claude`, `cline`, `codeartsagent`, `codex`, `devin`, `forgecode`, `codebuddy`, `continue`, `costrict`, `crush`, `cursor`, `factory`, `gemini`, `github-copilot`, `hermes`, `iflow`, `junie`, `kilocode`, `kimi`, `kiro`, `lingma`, `minimax-code`, `vibe`, `oh-my-pi`, `opencode`, `pi`, `qoder`, `qwen`, `roocode`, `trae`, `zcode`, `agents`
+**Supported tool IDs (`--tools`)** — `windsurf` is also accepted, as an alias for `devin`: `amazon-q`, `antigravity`, `auggie`, `bob`, `claude`, `cline`, `command-code`, `codeartsagent`, `codex`, `devin`, `forgecode`, `codebuddy`, `continue`, `costrict`, `crush`, `cursor`, `factory`, `gemini`, `github-copilot`, `hermes`, `iflow`, `junie`, `kilocode`, `kimi`, `kiro`, `lingma`, `minimax-code`, `vibe`, `oh-my-pi`, `opencode`, `pi`, `qoder`, `qwen`, `roocode`, `trae`, `zcode`, `agents`
 
 > This list mirrors `AI_TOOLS` in `src/core/config.ts`. See [Supported Tools](supported-tools.md) for each tool's skill and command paths.
 

docs/supported-tools.md

@@ -70,6 +70,7 @@ to read the hint.
 | IBM Bob Shell (`bob`) | `.bob/skills/openspec-*/SKILL.md` | `.bob/commands/opsx-<id>.md` |
 | Claude Code (`claude`) | `.claude/skills/openspec-*/SKILL.md` | `.claude/commands/opsx/<id>.md` |
 | Cline (`cline`) | `.cline/skills/openspec-*/SKILL.md` | `.clinerules/workflows/opsx-<id>.md` |
+| Command Code (`command-code`) | `.commandcode/skills/openspec-*/SKILL.md` | Not generated (no command adapter; use skill-based `/openspec-*` invocations) |
 | CodeArts (`codeartsagent`) | `.codeartsdoer/skills/openspec-*/SKILL.md` | Not generated (no command adapter; use skill-based `/openspec-*` invocations) |
 | CodeBuddy (`codebuddy`) | `.codebuddy/skills/openspec-*/SKILL.md` | `.codebuddy/commands/opsx/<id>.md` |
 | Codex (`codex`) | `.agents/skills/openspec-*/SKILL.md` | Not generated (skills-only; use `$openspec-*`) |
@@ -198,7 +199,7 @@ openspec init --tools none
 openspec init --profile core
 ```
 
-**Available tool IDs (`--tools`)** — `windsurf` is also accepted, as an alias for `devin`: `amazon-q`, `antigravity`, `auggie`, `bob`, `claude`, `cline`, `codeartsagent`, `codex`, `devin`, `forgecode`, `codebuddy`, `continue`, `costrict`, `crush`, `cursor`, `factory`, `gemini`, `github-copilot`, `hermes`, `iflow`, `junie`, `kilocode`, `kimi`, `kiro`, `lingma`, `minimax-code`, `vibe`, `oh-my-pi`, `opencode`, `pi`, `qoder`, `qwen`, `roocode`, `trae`, `zcode`, `agents`
+**Available tool IDs (`--tools`)** — `windsurf` is also accepted, as an alias for `devin`: `amazon-q`, `antigravity`, `auggie`, `bob`, `claude`, `cline`, `command-code`, `codeartsagent`, `codex`, `devin`, `forgecode`, `codebuddy`, `continue`, `costrict`, `crush`, `cursor`, `factory`, `gemini`, `github-copilot`, `hermes`, `iflow`, `junie`, `kilocode`, `kimi`, `kiro`, `lingma`, `minimax-code`, `vibe`, `oh-my-pi`, `opencode`, `pi`, `qoder`, `qwen`, `roocode`, `trae`, `zcode`, `agents`
 
 ## Workflow-Dependent Installation
 

src/core/config.ts

@@ -43,6 +43,7 @@ export const AI_TOOLS: AIToolOption[] = [
   { name: 'Bob Shell', value: 'bob', available: true, successLabel: 'Bob Shell', skillsDir: '.bob' },
   { name: 'Claude Code', value: 'claude', available: true, successLabel: 'Claude Code', skillsDir: '.claude' },
   { name: 'Cline', value: 'cline', available: true, successLabel: 'Cline', skillsDir: '.cline' },
+  { name: 'Command Code', value: 'command-code', available: true, successLabel: 'Command Code', skillsDir: '.commandcode' },
   { name: 'CodeArts', value: 'codeartsagent', available: true, successLabel: 'CodeArts', skillsDir: '.codeartsdoer' },
   { name: 'Codex', value: 'codex', available: true, successLabel: 'Codex', skillsDir: '.agents', legacySkillsDirs: ['.codex'], detectionPaths: ['.agents/skills', '.codex/skills'] },
   { name: 'Devin Desktop (formerly Windsurf)', value: 'devin', available: true, successLabel: 'Devin Desktop', skillsDir: '.devin', detectionPaths: ['.devin', '.windsurf'] },

test/core/available-tools.test.ts

@@ -394,6 +394,19 @@ describe('available-tools', () => {
       expect(toolValues).toContain('claude');
     });
 
+    it('should detect Command Code when .commandcode directory exists', async () => {
+      await fs.mkdir(path.join(testDir, '.commandcode'), { recursive: true });
+
+      const tools = getAvailableTools(testDir);
+      const toolValues = tools.map((t) => t.value);
+      expect(toolValues).toContain('command-code');
+
+      const commandCodeTool = tools.find((t) => t.value === 'command-code');
+      expect(commandCodeTool).toBeDefined();
+      expect(commandCodeTool?.name).toBe('Command Code');
+      expect(commandCodeTool?.skillsDir).toBe('.commandcode');
+    });
+
     it('should detect Mistral Vibe when .vibe directory exists', async () => {
       // Mistral Vibe uses skillsDir: '.vibe' without detectionPaths
       // This test ensures path semantics do not drift for Vibe skill detection

test/core/init.test.ts

@@ -503,6 +503,35 @@ describe('InitCommand', () => {
       ).toBe(true);
     });
 
+    it('should support Command Code as an adapterless skills-only tool', async () => {
+      saveGlobalConfig({
+        featureFlags: {},
+        profile: 'core',
+        delivery: 'both',
+      });
+
+      const initCommand = new InitCommand({ tools: 'command-code', force: true });
+      await initCommand.execute(testDir);
+
+      const skillFile = path.join(testDir, '.commandcode', 'skills', 'openspec-explore', 'SKILL.md');
+      expect(await fileExists(skillFile)).toBe(true);
+
+      // Command Code documents /openspec-* skill invocations (no /skill: prefix)
+      const skill = await fs.readFile(skillFile, 'utf-8');
+      expect(skill).toContain('/openspec-');
+      expect(skill).not.toContain('/skill:');
+
+      const commandsDir = path.join(testDir, '.commandcode', 'commands');
+      expect(await directoryExists(commandsDir)).toBe(false);
+
+      const logCalls = (console.log as unknown as { mock: { calls: unknown[][] } }).mock.calls.flat().map(String);
+      expect(
+        logCalls.some(
+          (entry) => entry.includes('Commands skipped for: command-code') && entry.includes('(no adapter)'),
+        ),
+      ).toBe(true);
+    });
+
     it('should support CodeArts as an adapterless skills-only tool', async () => {
       saveGlobalConfig({
         featureFlags: {},