Blog

Notes, histories, and deep dives from the Project Sandstar team.

Community

Workflows: The Missing Half of AI-Assisted Building Automation

An assistant that knows Axon syntax perfectly will still build you a broken Spark rule. Not because it cannot write code — because nobody told it the procedure. Twenty-three markdown files are fixing that, and they need you.

Sep 19, 2026 · 11 min read
Engineering

Local GPU, OpenRouter, or Both: Routing Every Inference Role Independently

Five roles, four policies, one shared budget — and a compatibility gate that refuses to let a cloud embedder quietly poison an index a local GPU built.

Sep 18, 2026 · 13 min read
Engineering

The Sidecar Fleet and the RLM: Gathering Evidence Before Answering

A retrieval model that calls search tools in a loop until it actually has the code, and a fleet agent that tells the server what hardware is awake. Two pieces, one answer.

Sep 17, 2026 · 11 min read
Engineering

One Question, Four Languages: Cross-Stack Code Intelligence with Fantom MCP Server

A dropdown in a Vue component, a Fantom weblet, a SOX command over UDP, and a Sedona controller. They are one feature and four languages — and until now, four separate searches.

Sep 16, 2026 · 12 min read
Engineering

Teaching an AI a Language It Has Never Seen: Inside Axon MCP Server

Most language models have never read a line of Axon. Without grounding they either refuse to help or invent a function that does not exist. Here is the knowledge layer that closes the gap.

Sep 15, 2026 · 9 min read
History

History of Project Sandstar — Part 1: What is Project Sandstar?

The origin story behind an open-source initiative to change how we manage smart buildings — and why we named it after Sedona, Arizona.

Mar 31, 2024 · 5 min read