Code · retrieval
ASTRAG
A local-first indexer for a code folder: AST chunks, embeddings, then hybrid search with an inspectable retrieval trace — lexical, semantic, fusion, rerank.
Building
Systems · experiment
kayvee-db
A small key-value store built to learn the insides: storage, the log, and what “it depends” looks like when you write it yourself.
Java · debugging
JDreamwalker
A Java agent you attach to a remote JVM: instrument classes, log variables, and inspect a running process over HTTP.
Java · HTTP
RE-Rest
A RestTemplate wrapper that coalesces identical in-flight calls so one network round-trip serves every waiter.