Feiyu's Technical Blog
Notes on software, systems, and things I am learning.
Agents & Automation
Local models, tool-using agents, and practical information-extraction workflows.
Automating 1Point3Acres Daily Check-In and Quiz Answering with a Local LLM
A Windows app runs around 9:00 AM, uses signed-in Chrome to complete a forum check-in, and starts a local LLM only when a quiz needs an answer.
[2/2] How I Moved Codex-to-ChatGPT Automation into a Local Agent
A narrow local workflow now reuses one ChatGPT conversation, submits each request at most once, blocks duplicate retries, and returns a verified reply and conversation link.
[1/2] (Deprecated) How I Let Codex Talk to ChatGPT Through My Signed-In Chrome
My first Codex-to-ChatGPT bridge let Codex control Chrome directly. It proved the idea worked, but the design was too fragile to keep.
Local LLM + Agent for Web Information Extraction
A local agent architecture for semantic web extraction, browser automation, bounded model context, and durable task state.
Game Perception — Olden Era
Computer-vision experiments that turn arena gameplay screenshots into structured game state.
Training a Game UI Icon Detector Using Only the Icon Catalog
Using 390 catalog images—and no gameplay screenshots for weight updates—we test full-screen hero and skill detection.
Full-Image Icon Search with Sliding Windows and Visual Embeddings
In this seven-frame experiment, the search often identifies the right hero or skill, but its highest-scoring box is not always the best crop.