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Bankai
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Bankai
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Achievement: Pair Extraordinairex2Achievement: Pull Sharkx4Achievement: YOLOAchievement: Quickdraw

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CDVolvik/README.md

Carlos Jimenez

I build web apps, AI agents, and MCP servers — and run them in production.

Founder @ R21 Digital · Arizona + Puerto Rico · Bilingual EN/ES

What I work on

  • Agent infrastructure. A self-hosted fleet of autonomous agents, each on its own least-privilege identity, routed across Claude, GPT, Gemini, and Groq per task for cost and latency. Failed steps degrade instead of cascading.
  • MCP servers. The tools that connect those agents to real systems — EHR data over FHIR, legislative records, game campaign state. Read-only by default, scoped by row-level security, audit-logged where the data is regulated.
  • Full-stack product. Next.js + Supabase + Vercel on the web, Make.com / n8n for automation, AWS where the compliance story requires it.
  • Enterprise IT underneath. 15+ years, including HIPAA-regulated systems run under change control. It shapes how I design AI: for audit and real load, not for a demo.

Selected work

Project What it is
practice-fusion-mcp FHIR-first, read-only MCP server for the Practice Fusion EHR. Audit-logged and HIPAA-conscious — every tool call is scoped and recorded. TypeScript.
pr-legislative-x402 Pay-per-call access to structured Puerto Rico legislative data over the x402 agent-payment standard. HTTP API + MCP server. TypeScript.
ftthelper-mcp Connects Claude Desktop, Cursor, or Codex to Fantasy Tabletop Helper campaigns. Read-only, scoped by Postgres row-level security. Python.
hermes-agent_Video-Research-Ingest Local-first pipeline turning videos and URLs into markdown notes, transcripts, metadata, and frames. Free-first by design — no paid transcription in the default path. Python.
ai-engineering-stack The models, agent infra, RAG, voice, and app stack I actually build and ship with. Field notes, not a link dump.

I also contribute upstream — merged into Effect (#7154, #7166), with open work on t3code.

Stack

Languages TypeScript · JavaScript · Python · SQL · Dart · Swift · PHP

Web Next.js · React · Tailwind · shadcn/ui

Data & backend Supabase · PostgreSQL · Node.js · Laravel

Cloud & CI Vercel · AWS · GitHub Actions · GitLab CI

AI & automation Claude · OpenAI · MCP · Make.com · n8n

Reach me

Website · LinkedIn · X · cjimenez@r21digital.com

GitHub stats

Popular repositories Loading

  1. practice-fusion-mcp practice-fusion-mcp Public

    FHIR-first, read-only MCP server for the Practice Fusion EHR — audit-logged, HIPAA-conscious.

    TypeScript 3

  2. hermes-agent_Video-Research-Ingest hermes-agent_Video-Research-Ingest Public

    Free-first, local-first video research ingest pipeline for turning videos and URLs into markdown notes, transcripts, metadata, and frames.

    Python 2 1

  3. CDVolvik CDVolvik Public

    Profile

  4. pr-legislative-x402 pr-legislative-x402 Public

    Pay-per-call access to structured Puerto Rico legislative data over the x402 agent-payment standard — HTTP API + MCP server.

    TypeScript

  5. ai-engineering-stack ai-engineering-stack Public

    Field-tested AI-engineering toolbox — the models, MCP/agent infra, RAG, voice, and app stack I build and ship with.

  6. ftthelper-mcp ftthelper-mcp Public

    Connect Claude Desktop, Cursor, or Codex to your Fantasy Tabletop Helper campaigns — read-only, scoped by row-level security.

    Python