Rex
Personal intelligence in your text thread.
Rex learns context, handles coordination, makes warm introductions, and helps plans move without another app to manage.
Meet Rex
Software should remember who it works for.
I’m Sharvil Saxena — founder and product engineer at SXNA Labs. I build personal AI and durable agent infrastructure designed to become more useful with time.
Two systems.
One obsession.
I care about software that holds context, protects identity, and stays useful beyond a single session.
Aeonora
One agent. Any runtime. Verifiable continuity.
An experimental framework for owner-controlled agents with durable identity, constitution, and receipts across runtimes.
Enter Aeonora
Product index
Smaller systems, experiments, and infrastructure from the same workshop.
03
Burnlog
Coding telemetry
Nova
Context engine
Acre
Healthcare software
PostDraw
Visual experiment
Burnlog
Coding telemetry
Evidence for how coding agents work.
04
Nova
Context engine
Personal context infrastructure for useful recall.
05
Acre
Healthcare software
Workflow software for healthcare teams.
06
PostDraw
Visual experiment
An experiment in drawing with code.
07 Journey Developer toolsStructured English to tested FastAPI apps.
08 Keyper Security toolsEncrypted local secrets vault over MCP.
Founder. Builder. System thinker.
I am based in Louisville and build products across personal AI, agent infrastructure, healthcare, and developer tooling.
The common thread is continuity: software that understands its owner, keeps its bearings, and improves through use.
AI systemsAgent infrastructureProduct designFull-stackLLMsRAGPythonNode.jsC++Linux