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FishRaposo/README.md

Vinícius Raposo (FishRaposo)

AI Reliability Strategist — I build the systems that work while you don't.

Most LLM demos look impressive until they meet real users, messy data, edge cases, latency, cost limits, weak retrieval, and broken workflows. The model call works. The system around it collapses.


What I Do

I help founders and small teams turn fragile AI prototypes into production-ready systems:

  • RAG pipelines that retrieve the right context and cite sources
  • Agent workflows with clear tool use, failure handling, and human override
  • Guardrails that reduce hallucinations, compliance mistakes, and operational risk
  • Evaluation paths, observability, and audit trails
  • Clean architecture and handoff docs your team can own

Featured Projects

WCP Compliance Agent V5

Five-service monorepo for WH-347 federal payroll compliance. React 19 · Vercel AI SDK · FastAPI × 2. 271 tests, 0 failures. Every compliance decision cites the statute.

📂 View Repo · 📄 Case Study


CostPilot — LLM Cost & Latency Dashboard

Next.js dashboard for tracking LLM costs, latency, and cache savings by workflow. Built for teams running multiple AI providers who need visibility into what's actually expensive.

📂 View Repo


AgentTrace — AI Observability Tooling

Trace multi-step AI agent executions, log tool calls, measure latency, and debug failures in production. Built for LangGraph/Mastra agent stacks.

📂 View Repo


ComplianceLens — Automation Toolkit

Automated recordkeeping, regulatory checks, and audit trail generation for US federal payroll and labor law.

📂 View Repo


All Repositories

Repo Description
WCP-Compliance-Agent-V5 Five-service monorepo for WH-347 payroll compliance · 271 tests · React 19 · FastAPI × 2
compliancelens Compliance automation toolkit — recordkeeping, regulatory checks, audit trails
costpilot LLM cost, latency, and savings dashboard — Next.js + Python + PostgreSQL
agenttrace Agent tracing and observability tooling for production AI
super-study AI learning repo — RAG experiments, agent architectures, LLM evaluation research
palindrome-checker Study project — JS test suite, CI/CD learning
FishRaposo This profile — AI Reliability Strategist · Production RAG · agent workflows

Stack

Python TypeScript FastAPI OpenAI Mastra LangChain LangGraph RAG PostgreSQL pgvector


Proof

  • WCP V5 — Five-service monorepo · 271 tests · every decision cites the statute
  • 7 production AI systems shipped at Expat Money (GPT assistants, RAG workflows, scraping pipelines, automation tools)
  • 271 tests, 0 failures across the WCP V5 monorepo

Connect

  • Portfolio — case studies and live proof
  • Upwork — hire me for AI reliability work
  • LinkedIn — AI reliability thinking

I don't sell chatbot wrappers. I build the infrastructure underneath them.

Popular repositories Loading

  1. WCP-Compliance-Agent-V2 WCP-Compliance-Agent-V2 Public

    Archived — TypeScript predecessor. See WCP-Compliance-Agent-V5 for the current Python monorepo.

    TypeScript

  2. WCP-Compliance-Agent-V3 WCP-Compliance-Agent-V3 Public

    Archived — predecessor to WCP V5. Three-service payroll compliance system. See WCP-Compliance-Agent-V5 for current version.

    Python

  3. palindrome-checker palindrome-checker Public

    Study project — palindrome checker with test suite. JavaScript. Used for learning CI/CD and unit testing patterns.

    JavaScript

  4. FishRaposo FishRaposo Public

    AI Reliability Strategist — Production RAG, agent workflows, and AI reliability tools for founders and small teams.

  5. super-study super-study Public

    AI learning and experimentation repo — structured study notes, code experiments, and research on RAG systems, agent architectures, and LLM evaluation methods.

    Python

  6. WCP-Compliance-Agent-V5 WCP-Compliance-Agent-V5 Public

    Five-service monorepo for WH-347 payroll compliance. React 19 · Vercel AI SDK · FastAPI × 2. 271 tests, 0 failures. Every decision cites the statute.

    Python