Today on Github, there are some interesting new projects related to AI agents, trading bots, error handling, and browser extensions.

• ai-agents-from-scratch: A framework-free approach to building AI agents from scratch using local LLMs.
• workflow-examples: Practical examples using Workflow DevKit to build RAG agents, AI workflows, and other applications.
• FocusTube: A Chrome extension that removes YouTube Shorts and minimizes thumbnails to promote mindful browsing.
• plain_errors: A Rails middleware that streamlines error messages into plain text for LLMs and coding agents.
• polymarket_copy_trader: Automates copying trades from top ranked wallets on Polymarket.
• predictions-trader: A trading bot with arbitrage strategies for prediction markets on Drift and PolyMarket.
• scog: Generates shell completions for various shells from a YAML spec, creating a clap::Command structure.
• galactic-interview-guide-for-developers: This guide provides comprehensive tools, strategies, and methods for effectively preparing for job interviews in the tech world.
• Marco-MT: A high-performing translation system, based on Qwen3-14B and refined with a novel two-stage SFT pipeline and hybrid decoding strategy.
• rucksdb: Offers an educational Rust implementation of RocksDB, emphasizing clarity, documentation, and modern Rust features with a focus on database internals.