← Back to home

Projects in Production

Honest case studies. Architecture, stack, decisions, scars. Most repos are private — what's here is the part worth showing.

Flagship · Multi-Agent · MCP Production · Private

Bailder

Personal multi-agent orchestrator. WhatsApp-native, autonomous Claude Code workers, tier-enforced safety.

An in-house AI workspace that runs my own ops — 3 coordinated agents, 20+ MCP-style tools, autonomous Claude Code headless workers, tier-based safety enforced in code (green / yellow / red), audit-grade event log, multi-LLM routing via OpenRouter, Playwright MCP for visual e2e. Bootstraps brand-new projects (repo + DB + DNS + deploy) from a single tool call. Private repo by design.

Impact
  • 3 coordinated agents · 20+ tools · autonomous Claude Code workers
  • Tier-enforced safety in code (PreToolUse hooks), not in the prompt
  • End-to-end project bootstrap from a single tool call (repo → DB → DNS → deploy)
  • Event-sourced audit log · scheduled smoke evals · circuit breakers
Stack
Ruby on Rails 8 Claude Code SDK MCP (Playwright) Multi-LLM (OpenRouter) Solid Queue WhatsApp Cloud API DigitalOcean (auto-deploy)
Multimodal · Sports Live

SelfScore

Amateur football analytics. Multi-camera video pipeline + GPT Vision + real-time WebSocket coaching.

Multi-camera synchronization plus a 5-phase video pipeline (FFmpeg → chunking → Whisper STT → Gemini Vision segmentation → AI analysis) ingests footage, extracts plays, and powers real-time analysis with 8 simultaneous tool calls over WebSocket. 5 AI narrator personalities with per-player profiling.

Impact
  • 5-phase video pipeline: chunking → STT → segmentation → cutting → AI analysis
  • Live analysis with 8 simultaneous tool calls via WebSocket
  • Per-player coaching profile · 5 narrator personalities
Stack
Rails 8 + React Native (Expo) Gemini Vision FFmpeg Whisper WebSocket (8 tools in-flight) Sidekiq
Multi-Agent · Sales Production

Giants

Multi-agent sales platform. Multi-channel agents, human takeover, anti-promise detector.

Sales & support widget powered by a multi-agent stack across WhatsApp, Instagram, and Facebook. Agents on Claude / GPT / Gemini with structured handoffs to humans and an anti-promise detector that flags risky outputs before they ship to a lead.

Impact
  • Multi-LLM agents (Claude / GPT / Gemini) with channel-aware routing
  • Human takeover protocol with full conversation context
  • Anti-promise detector pre-publishes risky outputs
Stack
Rails Multi-LLM (Claude · GPT · Gemini) WhatsApp · Instagram · Facebook Hotwire PostgreSQL
Infra · LLM Gateway Production

Railter

Internal LLM gateway. OpenAI-compatible, SSE streaming, per-key usage & billing.

Central API gateway for the whole ecosystem. Unifies Claude, GPT, Gemini behind one OpenAI-compatible interface with SSE streaming, per-key auth, usage dashboards, and billing. Every other product calls Railter instead of the LLM providers directly.

Impact
  • Unified OpenAI-compatible API for Claude / GPT / Gemini
  • Per-key auth, usage dashboard, billing
  • SSE streaming with retry / fallback
Stack
Rails 8 OpenAI-compatible API SSE Streaming Multi-LLM Routing Usage Metering
Multimodal · Personal AI Production

Chailter

Personal multimodal AI workspace. Shared agents, scheduled workflows, Kids mode.

ChatGPT-like personal workspace with multimodal input (audio, image, PDF), pre-configured agents, recurring workflows (cron / webhook / email triggers), and a safety-tuned Kids mode. Consumes LLM via Railter. Solid Queue + Hotwire + Tailwind v4.

Impact
  • Multimodal input pipeline (audio · image · PDF)
  • Recurring agents on cron / webhook / email triggers
  • Kids mode with safety-tuned guardrails
Stack
Rails 8 Hotwire · Tailwind v4 Solid Queue Whisper · Gemini Vision Railter (LLM gateway)
Conversational · Dev Studio Production

AircTech

AI-powered dev studio. Conversational scoping agent with function calling.

AI-powered development studio. Automated project scoping via a conversational agent with function calling and structured outputs. The agent drives discovery, scores project viability, and manages the full client lifecycle.

Impact
  • Conversational discovery agent with structured requirement extraction
  • Viability scoring & client lifecycle management
Stack
Rails 8 React Native (Expo) OpenAI Claude PostgreSQL
Marketplace · Mobile Live

Free Diária

Gig-work marketplace. Intelligent matching, swipe discovery, PIX wallet.

Solo-built gig-work marketplace with intelligent professional matching, swipe-based discovery UX, digital wallet with PIX integration, bidirectional reviews, and real-time chat.

Impact
  • Intelligent matching · swipe discovery · bidirectional reviews
  • Digital wallet with PIX (Brazilian instant payments) integration
  • Real-time chat between gigs
Stack
Rails React Native Stripe + PIX Google Maps PostgreSQL
And more... Production

Other AI Systems

Organaizer, BBE RAG, Mailder, Hetal Retail, and a few dozen production agents.

Organaizer (multimodal personal assistant with Whisper + Vision + tool calling), BBE Tour Generation (RAG over proprietary tour catalogs), Mailder (multi-tenant email SaaS with SPF/DKIM/DMARC), Hetal Retail (120K+ test lines), and dozens of production agents shipped for real businesses.

Impact
  • Organaizer: multimodal personal assistant, DB-driven capabilities, tool calling
  • BBE: RAG over proprietary catalogs with pgvector
  • Dozens of production AI agents shipped for real businesses
Stack
Whisper GPT / Gemini Vision pgvector / RAG Tool Use Multi-Tenant SaaS
SB
Sérgio Brito
Online
👤 About 📚 Projects 💻 GitHub Get in Touch