Five clients. One protocol.
Watch them run.
Every demo here hits the same production Arrow Flight server — 2.8 million series,
136 million rows — under the public demo key.
Nothing staged, timings on screen.
They differ only at the top of the stack — Excel, a terminal, an agent, your
browser. Below that, every one is the same picture:
client → Arrow Flight → Sparrow. Everything
converges on one wire.
sparrowJS
Your browser speaks Flight SQL over gRPC-web — chart, catalog wheel, free SQL. Forty years of WTI in about a second.
live now
Flight Inspector
X-ray any Arrow Flight server from the browser — conformance card, catalog, wire anatomy, plus a server-side deep probe of DNS/TLS/latency. Runs live against servers we don't run.
live now
sparrowCLI
The terminal client — connect, info, SQL against this very endpoint; -o parquet/csv/md, raw Arrow IPC in a pipe. Real session on the page.
working
sparrowXL
The Excel add-in — a decade of data spilling into the grid, revisions flagged in place. In production inside EnergyScope.
read →
sparrowMCP
Agents query the same server through MCP tools — question in, cited answer out. The analyst comes built in.
read →