diff --git a/.claude/settings.local.json b/.claude/settings.local.json
new file mode 100644
index 0000000..47b3190
--- /dev/null
+++ b/.claude/settings.local.json
@@ -0,0 +1,7 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(npm run:*)"
+    ]
+  }
+}
diff --git a/src/controllers/__tests__/simulationController.test.ts b/src/controllers/__tests__/simulationController.test.ts
new file mode 100644
index 0000000..5d27b45
--- /dev/null
+++ b/src/controllers/__tests__/simulationController.test.ts
@@ -0,0 +1,195 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest'
+import { Hono } from 'hono'
+import type { AppVariables } from '../../middleware/auth'
+
+vi.mock('../../lib/supabase', () => ({
+  supabase: {
+    auth: { getUser: vi.fn() },
+    from: vi.fn(),
+  },
+}))
+
+import { supabase } from '../../lib/supabase'
+import simulationsRoutes from '../../routes/simulations'
+
+// ─── Helpers ─────────────────────────────────────────────────────────────────
+
+function buildProfile(overrides: Partial<Record<string, unknown>> = {}) {
+  return {
+    id: 'user-123',
+    email: 'test@example.com',
+    plan: 'free',
+    simulations_used: 0,
+    stripe_customer_id: null,
+    stripe_subscription_id: null,
+    plan_expires_at: null,
+    created_at: '2024-01-01T00:00:00Z',
+    updated_at: '2024-01-01T00:00:00Z',
+    ...overrides,
+  }
+}
+
+/** Mock authMiddleware : getUser + from('profiles').select */
+function mockAuth(profile: ReturnType<typeof buildProfile>) {
+  vi.mocked(supabase.auth.getUser).mockResolvedValueOnce({
+    data: { user: { id: profile.id, email: profile.email } as any },
+    error: null,
+  })
+  vi.mocked(supabase.from).mockReturnValueOnce({
+    select: vi.fn(() => ({
+      eq: vi.fn(() => ({
+        single: vi.fn(() => ({ data: profile, error: null })),
+      })),
+    })),
+  } as any)
+}
+
+/** Mock from('productions').insert(...).select(...).single() */
+function mockInsert(returnData: { id: string; tache: string; mode: string; created_at: string }) {
+  vi.mocked(supabase.from).mockReturnValueOnce({
+    insert: vi.fn(() => ({
+      select: vi.fn(() => ({
+        single: vi.fn(() => ({ data: returnData, error: null })),
+      })),
+    })),
+  } as any)
+}
+
+/** Mock from('profiles').update(...).eq(...) */
+function mockUpdate() {
+  vi.mocked(supabase.from).mockReturnValueOnce({
+    update: vi.fn(() => ({
+      eq: vi.fn(() => ({ data: null, error: null })),
+    })),
+  } as any)
+}
+
+function createApp() {
+  const app = new Hono<{ Variables: AppVariables }>()
+  app.route('/simulations', simulationsRoutes)
+  return app
+}
+
+// ─── Tests ────────────────────────────────────────────────────────────────────
+
+describe('POST /simulations', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+  })
+
+  it('free + 4 simulations utilisées → création OK, simulations_used incrémenté', async () => {
+    const profile = buildProfile({ plan: 'free', simulations_used: 4 })
+    mockAuth(profile)
+    mockInsert({ id: 'prod-1', tache: 'EE_T1', mode: 'entrainement', created_at: '2024-01-01T00:00:00Z' })
+    mockUpdate()
+
+    const app = createApp()
+    const res = await app.request('/simulations', {
+      method: 'POST',
+      headers: { Authorization: 'Bearer token', 'Content-Type': 'application/json' },
+      body: JSON.stringify({ tache: 'EE_T1', mode: 'entrainement' }),
+    })
+
+    expect(res.status).toBe(201)
+    const body = await res.json()
+    expect(body.id).toBe('prod-1')
+    expect(body.tache).toBe('EE_T1')
+    expect(body.mode).toBe('entrainement')
+    // 3 appels from : profiles (auth) + productions (insert) + profiles (update)
+    expect(vi.mocked(supabase.from).mock.calls).toHaveLength(3)
+    expect(vi.mocked(supabase.from).mock.calls[2][0]).toBe('profiles')
+  })
+
+  it('free + 5 simulations utilisées → QUOTA_REACHED', async () => {
+    const profile = buildProfile({ plan: 'free', simulations_used: 5 })
+    mockAuth(profile)
+
+    const app = createApp()
+    const res = await app.request('/simulations', {
+      method: 'POST',
+      headers: { Authorization: 'Bearer token', 'Content-Type': 'application/json' },
+      body: JSON.stringify({ tache: 'EE_T1', mode: 'entrainement' }),
+    })
+
+    expect(res.status).toBe(403)
+    const body = await res.json()
+    expect(body.error).toBe(true)
+    expect(body.code).toBe('QUOTA_REACHED')
+    // Aucun insert : seul l'appel from de l'auth middleware
+    expect(vi.mocked(supabase.from).mock.calls).toHaveLength(1)
+  })
+
+  it('standard + 999 simulations → création OK, simulations_used NON incrémenté', async () => {
+    const profile = buildProfile({ plan: 'standard', simulations_used: 999 })
+    mockAuth(profile)
+    mockInsert({ id: 'prod-2', tache: 'EE_T2', mode: 'entrainement', created_at: '2024-01-01T00:00:00Z' })
+    // Pas de mockUpdate : standard n'a pas de limite
+
+    const app = createApp()
+    const res = await app.request('/simulations', {
+      method: 'POST',
+      headers: { Authorization: 'Bearer token', 'Content-Type': 'application/json' },
+      body: JSON.stringify({ tache: 'EE_T2', mode: 'entrainement' }),
+    })
+
+    expect(res.status).toBe(201)
+    const body = await res.json()
+    expect(body.id).toBe('prod-2')
+    // 2 appels from : profiles (auth) + productions (insert) — pas de update
+    expect(vi.mocked(supabase.from).mock.calls).toHaveLength(2)
+  })
+
+  it('premium + EO_T2_LIVE → création OK', async () => {
+    const profile = buildProfile({ plan: 'premium', simulations_used: 0 })
+    mockAuth(profile)
+    mockInsert({ id: 'prod-3', tache: 'EO_T2_LIVE', mode: 'entrainement', created_at: '2024-01-01T00:00:00Z' })
+    // Pas de mockUpdate : premium n'a pas de limite
+
+    const app = createApp()
+    const res = await app.request('/simulations', {
+      method: 'POST',
+      headers: { Authorization: 'Bearer token', 'Content-Type': 'application/json' },
+      body: JSON.stringify({ tache: 'EO_T2_LIVE', mode: 'entrainement' }),
+    })
+
+    expect(res.status).toBe(201)
+    const body = await res.json()
+    expect(body.id).toBe('prod-3')
+    expect(body.tache).toBe('EO_T2_LIVE')
+    expect(vi.mocked(supabase.from).mock.calls).toHaveLength(2)
+  })
+
+  it('tache invalide → erreur validation 400', async () => {
+    const profile = buildProfile({ plan: 'free', simulations_used: 0 })
+    mockAuth(profile)
+
+    const app = createApp()
+    const res = await app.request('/simulations', {
+      method: 'POST',
+      headers: { Authorization: 'Bearer token', 'Content-Type': 'application/json' },
+      body: JSON.stringify({ tache: 'TACHE_INVALIDE', mode: 'entrainement' }),
+    })
+
+    expect(res.status).toBe(400)
+    const body = await res.json()
+    expect(body.error).toBe(true)
+    expect(body.code).toBe('VALIDATION_ERROR')
+  })
+
+  it('mode invalide → erreur validation 400', async () => {
+    const profile = buildProfile({ plan: 'free', simulations_used: 0 })
+    mockAuth(profile)
+
+    const app = createApp()
+    const res = await app.request('/simulations', {
+      method: 'POST',
+      headers: { Authorization: 'Bearer token', 'Content-Type': 'application/json' },
+      body: JSON.stringify({ tache: 'EE_T1', mode: 'MODE_INVALIDE' }),
+    })
+
+    expect(res.status).toBe(400)
+    const body = await res.json()
+    expect(body.error).toBe(true)
+    expect(body.code).toBe('VALIDATION_ERROR')
+  })
+})
diff --git a/src/controllers/simulationController.ts b/src/controllers/simulationController.ts
new file mode 100644
index 0000000..de1cbeb
--- /dev/null
+++ b/src/controllers/simulationController.ts
@@ -0,0 +1,76 @@
+import { supabase } from '../lib/supabase'
+import { canUserSimulate, getPlanPermissions } from '../lib/access'
+import type { Plan } from '../lib/access'
+import type { AuthProfile } from '../middleware/auth'
+
+export type Tache = 'EE_T1' | 'EE_T2' | 'EE_T3' | 'EO_T1' | 'EO_T3' | 'EO_T2_LIVE'
+export type Mode = 'entrainement' | 'examen'
+
+export interface CreateBody {
+  tache: Tache
+  mode: Mode
+  contenu?: string
+}
+
+export interface CreateResult {
+  id: string
+  tache: Tache
+  mode: Mode
+  created_at: string
+}
+
+type CreateError = {
+  error: true
+  code: string
+  message: string
+  status: number
+}
+
+export async function create(
+  body: CreateBody,
+  profile: AuthProfile
+): Promise<{ data: CreateResult } | CreateError> {
+  // 1. Vérifier le quota via canUserSimulate (lib/access.ts)
+  const check = canUserSimulate({ plan: profile.plan, simulations_used: profile.simulations_used })
+  if (!check.allowed) {
+    return {
+      error: true,
+      code: 'QUOTA_REACHED',
+      message:
+        'Vous avez utilisé vos 5 simulations gratuites. Passez en Standard pour continuer votre préparation.',
+      status: 403,
+    }
+  }
+
+  // 2. Insérer dans productions
+  const { data, error } = await supabase
+    .from('productions')
+    .insert({
+      user_id: profile.id,
+      tache: body.tache,
+      mode: body.mode,
+      contenu: body.contenu ?? null,
+    })
+    .select('id, tache, mode, created_at')
+    .single()
+
+  if (error || !data) {
+    return {
+      error: true,
+      code: 'INTERNAL_ERROR',
+      message: 'Une erreur est survenue. Veuillez réessayer dans quelques instants.',
+      status: 500,
+    }
+  }
+
+  // 3. Incrémenter simulations_used si le plan a une limite (via access.ts — Règle D)
+  const perms = getPlanPermissions(profile.plan as Plan)
+  if (perms.simulations_lifetime !== null) {
+    await supabase
+      .from('profiles')
+      .update({ simulations_used: profile.simulations_used + 1 })
+      .eq('id', profile.id)
+  }
+
+  return { data: data as CreateResult }
+}
diff --git a/src/index.ts b/src/index.ts
index cba25b9..cdf640d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -3,6 +3,7 @@ import { Hono } from 'hono'
 import { serve } from '@hono/node-server'
 import authRoutes from './routes/auth'
 import plansRoutes from './routes/plans'
+import simulationsRoutes from './routes/simulations'
 
 const app = new Hono()
 
@@ -12,6 +13,7 @@ app.get('/', (c) => {
 
 app.route('/auth', authRoutes)
 app.route('/plans', plansRoutes)
+app.route('/simulations', simulationsRoutes)
 
 const port = Number(process.env.PORT) || 3000
 
diff --git a/src/routes/simulations.ts b/src/routes/simulations.ts
new file mode 100644
index 0000000..82a583d
--- /dev/null
+++ b/src/routes/simulations.ts
@@ -0,0 +1,81 @@
+import { Hono } from 'hono'
+import { authMiddleware } from '../middleware/auth'
+import type { AppVariables } from '../middleware/auth'
+import { getPlanPermissions } from '../lib/access'
+import type { Plan } from '../lib/access'
+import * as simulationController from '../controllers/simulationController'
+import type { Tache, Mode } from '../controllers/simulationController'
+
+const VALID_TACHES: Tache[] = ['EE_T1', 'EE_T2', 'EE_T3', 'EO_T1', 'EO_T3', 'EO_T2_LIVE']
+const VALID_MODES: Mode[] = ['entrainement', 'examen']
+
+const simulations = new Hono<{ Variables: AppVariables }>()
+
+simulations.post('/', authMiddleware, async (c) => {
+  let body: { tache?: unknown; mode?: unknown; contenu?: unknown }
+  try {
+    body = await c.req.json()
+  } catch {
+    return c.json(
+      { error: true, code: 'VALIDATION_ERROR', message: 'Corps de la requête invalide.' },
+      400
+    )
+  }
+
+  // Valider tache
+  if (!body.tache || !VALID_TACHES.includes(body.tache as Tache)) {
+    return c.json(
+      {
+        error: true,
+        code: 'VALIDATION_ERROR',
+        message: `Tâche invalide. Valeurs acceptées : ${VALID_TACHES.join(', ')}`,
+      },
+      400
+    )
+  }
+
+  // Valider mode
+  if (!body.mode || !VALID_MODES.includes(body.mode as Mode)) {
+    return c.json(
+      {
+        error: true,
+        code: 'VALIDATION_ERROR',
+        message: `Mode invalide. Valeurs acceptées : ${VALID_MODES.join(', ')}`,
+      },
+      400
+    )
+  }
+
+  const tache = body.tache as Tache
+  const mode = body.mode as Mode
+
+  // Vérifier l'accès EO_T2_LIVE via getPlanPermissions (Règle D)
+  if (tache === 'EO_T2_LIVE') {
+    const profile = c.get('profile')
+    const perms = getPlanPermissions(profile.plan as Plan)
+    if (!perms.oral_t2_live) {
+      return c.json(
+        {
+          error: true,
+          code: 'PLAN_INSUFFICIENT',
+          message: 'La tâche EO T2 live est réservée au plan Premium.',
+        },
+        403
+      )
+    }
+  }
+
+  const profile = c.get('profile')
+  const result = await simulationController.create(
+    { tache, mode, contenu: body.contenu as string | undefined },
+    profile
+  )
+
+  if ('error' in result) {
+    return c.json(result, result.status as 403 | 500)
+  }
+
+  return c.json(result.data, 201)
+})
+
+export default simulations