diff --git a/docs/supported-tools.md b/docs/supported-tools.md
index 85d8e63d8..b2ee30fb4 100644
--- a/docs/supported-tools.md
+++ b/docs/supported-tools.md
@@ -44,6 +44,7 @@ You can enable expanded workflows (`new`, `continue`, `ff`, `verify`, `bulk-arch
 | Kimi CLI (`kimi`) | `.kimi/skills/openspec-*/SKILL.md` | Not generated (no command adapter; use skill-based `/skill:openspec-*` invocations) |
 | Kiro (`kiro`) | `.kiro/skills/openspec-*/SKILL.md` | `.kiro/prompts/opsx-<id>.prompt.md` |
 | Lingma (`lingma`) | `.lingma/skills/openspec-*/SKILL.md` | `.lingma/commands/opsx/<id>.md` |
+| Mistral Vibe (`vibe`) | `.vibe/skills/openspec-*/SKILL.md` | Not generated (no command adapter; use skill-based `/openspec-*` invocations) |
 | OpenCode (`opencode`) | `.opencode/skills/openspec-*/SKILL.md` | `.opencode/commands/opsx-<id>.md` |
 | Pi (`pi`) | `.pi/skills/openspec-*/SKILL.md` | `.pi/prompts/opsx-<id>.md` |
 | Qoder (`qoder`) | `.qoder/skills/openspec-*/SKILL.md` | `.qoder/commands/opsx/<id>.md` |
@@ -74,7 +75,7 @@ openspec init --tools none
 openspec init --profile core
 ```
 
-**Available tool IDs (`--tools`):** `amazon-q`, `antigravity`, `auggie`, `bob`, `claude`, `cline`, `codex`, `forgecode`, `codebuddy`, `continue`, `costrict`, `crush`, `cursor`, `factory`, `gemini`, `github-copilot`, `iflow`, `junie`, `kilocode`, `kimi`, `kiro`, `opencode`, `pi`, `qoder`, `lingma`, `qwen`, `roocode`, `trae`, `windsurf`
+**Available tool IDs (`--tools`):** `amazon-q`, `antigravity`, `auggie`, `bob`, `claude`, `cline`, `codex`, `forgecode`, `codebuddy`, `continue`, `costrict`, `crush`, `cursor`, `factory`, `gemini`, `github-copilot`, `iflow`, `junie`, `kilocode`, `kimi`, `kiro`, `lingma`, `opencode`, `pi`, `qoder`, `qwen`, `roocode`, `trae`, `vibe`, `windsurf`
 
 ## Workflow-Dependent Installation
 
diff --git a/src/core/config.ts b/src/core/config.ts
index 68f1abd33..3be428b26 100644
--- a/src/core/config.ts
+++ b/src/core/config.ts
@@ -40,10 +40,11 @@ export const AI_TOOLS: AIToolOption[] = [
   { name: 'Kilo Code', value: 'kilocode', available: true, successLabel: 'Kilo Code', skillsDir: '.kilocode' },
   { name: 'Kimi CLI', value: 'kimi', available: true, successLabel: 'Kimi CLI', skillsDir: '.kimi' },
   { name: 'Kiro', value: 'kiro', available: true, successLabel: 'Kiro', skillsDir: '.kiro' },
+  { name: 'Lingma', value: 'lingma', available: true, successLabel: 'Lingma', skillsDir: '.lingma' },
+  { name: 'Mistral Vibe', value: 'vibe', available: true, successLabel: 'Mistral Vibe', skillsDir: '.vibe' },
   { name: 'OpenCode', value: 'opencode', available: true, successLabel: 'OpenCode', skillsDir: '.opencode' },
   { name: 'Pi', value: 'pi', available: true, successLabel: 'Pi', skillsDir: '.pi' },
   { name: 'Qoder', value: 'qoder', available: true, successLabel: 'Qoder', skillsDir: '.qoder' },
-  { name: 'Lingma', value: 'lingma', available: true, successLabel: 'Lingma', skillsDir: '.lingma' },
   { name: 'Qwen Code', value: 'qwen', available: true, successLabel: 'Qwen Code', skillsDir: '.qwen' },
   { name: 'RooCode', value: 'roocode', available: true, successLabel: 'RooCode', skillsDir: '.roo' },
   { name: 'Trae', value: 'trae', available: true, successLabel: 'Trae', skillsDir: '.trae' },
diff --git a/test/core/available-tools.test.ts b/test/core/available-tools.test.ts
index 83942dfb3..50d758070 100644
--- a/test/core/available-tools.test.ts
+++ b/test/core/available-tools.test.ts
@@ -148,5 +148,20 @@ describe('available-tools', () => {
       const toolValues = tools.map((t) => t.value);
       expect(toolValues).toContain('claude');
     });
+
+    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
+      await fs.mkdir(path.join(testDir, '.vibe'), { recursive: true });
+
+      const tools = getAvailableTools(testDir);
+      const toolValues = tools.map((t) => t.value);
+      expect(toolValues).toContain('vibe');
+      
+      const vibeTool = tools.find((t) => t.value === 'vibe');
+      expect(vibeTool).toBeDefined();
+      expect(vibeTool?.name).toBe('Mistral Vibe');
+      expect(vibeTool?.skillsDir).toBe('.vibe');
+    });
   });
 });