# Vercel fx is now available in the AI SDK harness layer

- Product: Vercel (https://whatsnew.fyi/product/vercel)
- Vendor: Vercel
- Date: 2026-08-31
- Original notes: https://vercel.com/changelog/fx-ai-sdk-harness-adapter
- Permalink: https://whatsnew.fyi/product/vercel/releases/2026-08-31-fx-is-now-available-in-the-ai-sdk-harness-layer

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The AI SDK harness layer now supports fx , Vercel's lightweight, open-source coding agent. The harness layer provides one API for running coding agents in your application, so you can add fx without b…

- **added** — Support for fx, Vercel's lightweight open-source coding agent, in the AI SDK harness layer