---
title: Projects | Joey David
description: Projects by Joey David.
canonical: https://joeydavid.fyi/projects/
markdown: https://joeydavid.fyi/projects/index.md
---

# Projects | Joey David

> Main ML/agent projects, side projects and Android apps, with repos and demos.

## Main Projects

### Agent Ground Up (2026)

Coding agent from scratch: constant-size memory, recursive self-improvement, hand-derived DAPO loss.

Tags: self-improvement, memory, DAPO, vLLM

Links: [GitHub](https://github.com/joey-david/agent_ground_up)

### Latent Intent (2026)

AI-safety interpretability work toward detecting hidden objectives and scheming, even when an LLM's outward behavior is held fixed.

Tags: AI safety, scheming, interpretability

Links: [GitHub](https://github.com/joey-david/latent-intent)

### Trajelysis (2026)

Framework for visualizing, decomposing, and analyzing layer-wise latent trajectories during generation.

Tags: LLMs, hidden states, visualization

Links: [GitHub](https://github.com/joey-david/trajelysis)

### Agentica (2024)

Modular agentic framework for automation, learning, and research.

Tags: agents, automation, research

Links: [GitHub](https://github.com/joey-david/agentica) · [Demo](https://joeydavid.fyi/media/illustrations/agentica/agentica_demo.webm)

### Heuristic Retrieval for Latent Reasoning (2025)

Latent-space guidance system for Meta's Coconut model.

Tags: LLMs, latent reasoning, FAISS

Links: [GitHub](https://github.com/joey-david/heuristic-latent-reasoning)

## Side Projects

### Earned Time (2026)

My best shot at attempting to leverage the carefully engineered addiction patterns induced by modern recommendation algorithms into something productive.

Tags: spaced repetition, extension, Claude Code

Links: [Install](https://joeydavid.fyi/earned-time/earned-time-firefox-install.html)

### EPUB to Audiobook (2026)

A local Apple Silicon CLI that turns EPUB chapters into MP3s and audiobooks.

Tags: MLX, Qwen TTS, EPUB

Links: [GitHub](https://github.com/joey-david/epub-to-audiobook)

### ChatBrain (2024)

Semi-objective conversational insights from exported chats and screenshots.

Tags: OCR, LLMs, conversation

Links: [GitHub](https://github.com/joey-david/chatbrain) · [Live](https://serv205.tailad3f71.ts.net:8443/)

### Massively optimized Openscreen (2026)

Full-resolution OpenScreen fork with lower memory use and faster MP4 exports.

Tags: Electron, WebCodecs, performance

Links: [GitHub](https://github.com/joey-david/openscreen)

### Playsorter (2025)

Automatically reorders Spotify playlists so similar songs sit next to each other, to avoid akward transitions.

Tags: Spotify, playlists, LastFM

Links: [GitHub](https://github.com/joey-david/sortify) · [Live](https://playsorter.netlify.app/)

### py-scripts (2024)

A bunch of miscellaneous small automation scripts and bots.

Tags: Python, automation, utilities

Links: [GitHub](https://github.com/joey-david/py-scripts)

### Natural Language CLI (2024)

Natural language to shell commands, years before Claude Code and Codex!

Tags: shell, LLMs, CLI

Links: [GitHub](https://github.com/joey-david/py-scripts/tree/main/cli_writer)

### japadict (2025)

An enhanced personal Japanese dictionary TUI, with automatic Anki card creation and export.

Tags: Japanese, Anki, TUI

Links: [GitHub](https://github.com/joey-david/japadict)

## Phone Apps (Vibecoded)

### Trackelate

A tiny Android journal for tracking mood and habits and eliciting correlations between the two (to get an evidence-supported view of what hurts or helps my wellbeing).

Tags: Android

Links: [GitHub](https://github.com/joey-david/trackelate) · [APK download](https://github.com/joey-david/trackelate/releases/download/v1.0.5/app-release.apk)

### Caltrack

Calories in, calories out

Tags: Android

Links: [GitHub](https://github.com/joey-david/calorie-tracker) · [APK download](https://github.com/joey-david/calorie-tracker/releases/download/v1.0.0/app-release.apk)

### Podder

A local Android media player for the files I already have, with resume, speed, shuffle, etc.

Tags: Android

Links: [GitHub](https://github.com/joey-david/podcasts) · [APK download](https://github.com/joey-david/podcasts/releases/download/v1.0.6/podder.apk)

## Site map

- [Home](https://joeydavid.fyi/index.md): Overview: current position, recent research and selected projects.
- [Research](https://joeydavid.fyi/research/index.md): Papers, master's thesis and ongoing research, with arXiv, PDF and code links.
- [Projects](https://joeydavid.fyi/projects/index.md) (this page): Main ML/agent projects, side projects and Android apps, with repos and demos.
- [About](https://joeydavid.fyi/about/index.md): Experience, education, technical stack, reading/music recommendations and contact links.
- [llms.txt](https://joeydavid.fyi/llms.txt): site index for language models; [llms-full.txt](https://joeydavid.fyi/llms-full.txt) has every page in one file.