Vercel · featurefx harness host adapter

validasserted

Valid from: 2026-10-29
Valid until: still holds
Published: 2026-10-27
Recorded by AsOf: 2026-10-29
Checked: 2026-10-29 · its source page states the value and the date
Confidence: 0.70

Sources

“The fx adapter now runs the harness on the host Felix Arntz Software Engineer Blog Changelog 29 Oct 2026 1 min read Copy The fx adapter for the AI SDK’s HarnessAgent now uses libfx , the TypeScript library for fx. The harness and model requests run in your application’s process”— what the page says, read 2026-10-29

The fx adapter now runs the harness on the hostprimary · vercel.com · 2026-10-27

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