The now supports , 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 building a separate integration.AI SDK harness layerfx Configure with the official adapter: HarnessAgent@ai-sdk/harness-fx The adapter connects to fx over the Agent Client Protocol (ACP) using .@ai-sdk/harness-fx@ai-sdk/harness-acp fx joins Claude Code, Cline, Codex, Cursor, Deep Agents, Grok Build, OpenCode, and Pi in the list of supported harnesses.

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