AI Voice Assistant

AI-first · React + Node (Express) · 19 @molecule/* packages

Speech-to-text, AI processing, and text-to-speech voice assistant — with built-in Stripe-backed subscription tiers

Live demo

The real deployed app. It can take a few seconds to start.

agents — id, user_id, name, system_prompt, model, voice_id, tools, persona_avatar_url, …
api_credentials — id, user_id, provider, encrypted_key, label, last_used_at, created_at, updated_at
conversations — id, user_id, agent_id, title, mode, message_count, total_seconds_spoken, started_at, …
devices — id, createdAt, updatedAt, userId, name, pushPlatform, pushSubscription, hasPushSubscription
messages — id, conversation_id, role, content, type, audio_s3_key, duration_ms, latency_ms, …
notifications — id, user_id, kind, title, body, link, read_at, created_at
payments — id, createdAt, updatedAt, userId, transactionId, productId, platformKey, data, …
thread_messages — id, threadId, userId, body, editedAt, createdAt, updatedAt
thread_read_status — threadId, userId, lastReadMessageId, updatedAt
threads — id, title, creatorId, resourceType, resourceId, closed, createdAt, updatedAt
voice_presets — id, user_id, provider, provider_voice_id, name, sample_url, created_at

free / pro / team — gated by: maxConversations, maxSpeech, advancedFeatures, canExport, retentionDays

The @molecule/* packages are Apache-2.0. The app you build from this template is yours to export and self-host. Licensing