← Back to PeopleFAEngineerFelix ArntzSenior Software Engineer at VercelLinkedInWebsiteSenior Software Engineer at Vercel with experience at Google1Mentions1Articles1OutletsCompanies CoveredVercel1ArticlesMost recent firstMentioned InReferenced in coverageThe fx adapter now runs the harness on the hostVercel ChangelogpositiveOct 30, 2026“Authored technical documentation on the fx adapter for the AI SDK's HarnessAgent that now runs on the host using libfx.”