Repo Explainer

Deep-dive explainers on the most interesting open-source projects. Architecture, code, context, and the people behind them.

Editorial illustration of a circular conference table with empty chairs and tangled threads connecting financial documents

AI Hedge Fund: 18 Agents, Zero Dollars at Risk

What happens when you put AI versions of Warren Buffett, Cathie Wood, and Michael Burry in the same trading room? An open-source experiment with 48,000 stars is finding out.

35,000 Stars and a Random Number Generator

RuView promises WiFi that sees through walls. The code generates random data instead of processing real signals.

11 min read
DeerFlow 2.0: ByteDance Built an Agent That Actually Has Hands

Most agent frameworks give AI a brain but no hands. DeerFlow ships the entire runtime: sandboxes, memory, sub-agents, and a filesystem.

10 min read
Symphony: OpenAI Wrote an Agent Orchestrator in Elixir, Not Python

Every agent framework is Python. OpenAI built Symphony in Elixir. The reason says everything about what orchestration actually needs.

12 min read
Four Tools, Zero Apologies

The creator of libGDX stripped an AI coding agent down to read, write, edit, and bash. It became the engine behind a 300K-star project.

9 min read
MiroFish: The Prediction Engine That Builds Parallel Worlds

A 20-year-old built a swarm intelligence engine in 10 days. It spawns thousands of AI agents that simulate entire societies to forecast the future.

9 min read
SEO Machine Turns Claude Code into a Content Team

A podcast founder open-sourced the AI writing workflow behind his company's blog. It researches keywords, writes 3,000-word posts, and publishes to WordPress.

8 min read