https://jeanfbrito.github.io/Personal blog of Jean Brito — software engineering, tooling, and experiments. 2026-06-10T15:32:26-03:00 Jean Brito https://jeanfbrito.github.io/ Jekyll © 2026 Jean Brito /assets/img/favicons/favicon.ico /assets/img/favicons/favicon-96x96.png 2026-06-10T15:14:00-03:00 2026-06-10T15:14:00-03:00 https://jeanfbrito.github.io/posts/rocket-cli-mcp-sqlite-cache/ Jean Brito

One day, ~25 subagents, 216 tests: building a cache-first Rocket.Chat bridge for LLM agents — FTS5 corruption forensics, typings that lie, and attention triage as the product.

2026-05-26T16:23:40-03:00 2026-05-26T16:23:40-03:00 https://jeanfbrito.github.io/posts/design-fluency-meets-the-knowledge-graph/ Jean Brito

Polishing an Electron app's UI with an AI design skill on the front and a code knowledge graph on the back: design vocabulary plus a real source of truth.

2026-05-22T19:12:11-03:00 2026-05-22T19:24:29-03:00 https://jeanfbrito.github.io/posts/how-i-found-a-cryptominer-running-in-a-container-on-my-home-server/ Jean Brito

An AI agent investigating a slow server found a Monero miner consuming 50% CPU inside a Docker container. Here's the full incident — how it got in, what it was doing, and everything wrong that allowed it.

2026-05-18T11:15:00-03:00 2026-05-18T11:17:05-03:00 https://jeanfbrito.github.io/posts/vlm-flake-vnc-stale-capture/ Jean Brito

Spent half a session tuning VLM localize prompts. The real bug was deep in my RFB client: framebuffer captures were 1–N frames behind reality.

2026-05-15T15:30:00-03:00 2026-05-15T19:35:28-03:00 https://jeanfbrito.github.io/posts/turbo3-mtp-merge-llama-cpp/ Jean Brito

Merging turbo3 KV cache and MTP speculative decoding into one llama.cpp binary: the build crashes, the CUDA dispatch bug, and 252K context at 85% draft acceptance.