Open source

What we give back to the community

We build with AI agents every day. What we make along the way, we open up: repos you can use, prompts to copy and what we've learned.

22
stars on GitHub
18
open repos
3
authors
  • by Lucho 10

    gridwright

    Turning a Figma design into a working component eats an afternoon of pixel-pushing.

    • TypeScript
    • Figma
    • Claude Code
  • by Braian 6

    MyJarbis

    Every Claude Code session starts from zero, and you explain the project all over again.

    • TypeScript
    • MCP
    • SQLite
  • by Tincho 2

    RAG-Labs-TS

    There are four RAG frameworks and you don't know which one to pick.

    • TypeScript
    • LangChain
    • LlamaIndex
    • WebLLM
  • by Tincho 1

    LangLoop

    Reviewing every LLM output by hand doesn't scale.

    • Python
    • LangGraph
  • by Braian 1

    Aura

    You want a personal assistant that doesn't send your data anywhere.

    • Python
    • Ollama
    • Telegram
    • SQLite
  • by Braian 1

    takeclass

    You want to practice technical English and never find the time.

    • Claude Code
    • Shell
  • by Lucho 1

    memoria-os-sim

    OS memory management doesn't click on a whiteboard.

    • Next.js
    • TypeScript
    • Tailwind
  • by Tincho

    Cubito

    With five agents working at once, you can't tell who's doing what.

    • TypeScript
    • ORCA
    • WebSocket
  • by Tincho

    Barto-MCP

    A model's first answer is almost never the good one.

    • TypeScript
    • MCP
    • Claude
    • OpenAI
  • by Tincho

    TJira

    Your agents can't read or update Jira.

    • Python
    • Jira REST
    • CLI
  • by Braian

    GesturePilot

    Eight hours coding in a chair.

    • Python
    • Claude Code
  • by Tincho

    few-shot-retrieval

    AI writes correctly, but it doesn't write like you.

    • Python
    • Ollama
    • OCR
  • by Tincho

    History-ARG

    The declassified files exist, but nobody can read ten thousand documents.

    • Python
    • RAG
  • by Braian

    Hookforge

    The launch video ends up as a screen recording with text on top.

    • Remotion
    • Playwright
    • ffmpeg
  • by Tincho

    Lane

    Three projects open and two fighting over port 3000.

    • Go
  • by Lucho

    autofill

    Filling out the same job application twenty times.

    • TypeScript
    • Chrome MV3
  • by Braian

    trainme

    Walking into an interview without having reviewed anything.

    • Python
    • Claude
  • by Braian

    DevLog

    Everyone talks about AI; nobody tells you what works in production.

    • Astro
    • Starlight
    • MDX

01 · Code you can use

Tools we use at work

Each one solves something that was slowing us down. Signed by whoever built it.

Coding agents MIT

Cubito

With five agents working at once, you can't tell who's doing what.

Your coding agents, their branches and the system they're building, as a 3D scene you can move through. The visual face of ORCA.

  • TypeScript
  • ORCA
  • WebSocket
Coding agents 6 MIT

MyJarbis

Every Claude Code session starts from zero, and you explain the project all over again.

Persistent memory for Claude Code: it remembers what you decided, where you left off and how each project works. We use it on ours.

  • TypeScript
  • MCP
  • SQLite
Coding agents MIT

Barto-MCP

A model's first answer is almost never the good one.

An MCP server that generates, evaluates and fixes until the result clears the quality bar you set. With Claude or OpenAI.

  • TypeScript
  • MCP
  • Claude
  • OpenAI
Coding agents 1

LangLoop

Reviewing every LLM output by hand doesn't scale.

The same generate-and-evaluate loop, built in LangGraph so you can drop it into your own pipeline.

  • Python
  • LangGraph
Coding agents 10 MIT

gridwright

Turning a Figma design into a working component eats an afternoon of pixel-pushing.

A Figma node goes in, a verified component comes out. All driven from Claude Code.

  • TypeScript
  • Figma
  • Claude Code
Coding agents MIT

TJira

Your agents can't read or update Jira.

A Jira Cloud CLI for issues, worklogs, boards and sprints, with JSON output a person, a script or an agent can read.

  • Python
  • Jira REST
  • CLI
Coding agents

GesturePilot

Eight hours coding in a chair.

Drive Claude Code with hand gestures and code standing up, no keyboard needed.

  • Python
  • Claude Code
RAG & data 2

RAG-Labs-TS

There are four RAG frameworks and you don't know which one to pick.

All four compared in TypeScript —Vercel AI SDK, LangChain, LlamaIndex and Mastra— with a demo that runs entirely in the browser.

  • TypeScript
  • LangChain
  • LlamaIndex
  • WebLLM
RAG & data

few-shot-retrieval

AI writes correctly, but it doesn't write like you.

Local RAG that retrieves examples of an author's style and method to write the same way. Reads PDFs and images, runs on your machine with Ollama.

  • Python
  • Ollama
  • OCR
RAG & data

History-ARG

The declassified files exist, but nobody can read ten thousand documents.

An open chatbot over 10,000+ officially declassified documents from Argentina's last dictatorship, running at US$0 a month.

  • Python
  • RAG
RAG & data 1 MIT

Aura

You want a personal assistant that doesn't send your data anywhere.

An agent that runs locally with Ollama, talks to you on Telegram, reads your Gmail and keeps its memory in SQLite.

  • Python
  • Ollama
  • Telegram
  • SQLite
For builders MIT

Hookforge

The launch video ends up as a screen recording with text on top.

Turns any web app into a Linear- or Vercel-style launch video from a config. An LLM can produce it.

  • Remotion
  • Playwright
  • ffmpeg
For builders MIT

Lane

Three projects open and two fighting over port 3000.

Run several Laravel, Django, Next.js, Vite or Docker projects at once, with no port collisions and zero config.

  • Go
For builders MIT

autofill

Filling out the same job application twenty times.

A Chrome extension that fills job applications in one click. No backend: nothing leaves your computer.

  • TypeScript
  • Chrome MV3
For builders MIT

trainme

Walking into an interview without having reviewed anything.

A CLI that combines your profile and the job post into a context block ready to paste into Claude and practice.

  • Python
  • Claude
Learn

DevLog

Everyone talks about AI; nobody tells you what works in production.

A bilingual logbook of applied-AI practices: a 12-module course and a radar that stays current.

  • Astro
  • Starlight
  • MDX
Learn 1 MIT

takeclass

You want to practice technical English and never find the time.

Turns the code you shipped today into an English lesson: vocabulary, reading and drills, from Claude Code.

  • Claude Code
  • Shell
Learn 1 MIT

memoria-os-sim

OS memory management doesn't click on a whiteboard.

An interactive simulator for memory management and CPU scheduling, in English, Spanish and Portuguese.

  • Next.js
  • TypeScript
  • Tailwind