AI SDK HarnessAgent adds image input support for all harness adapters

·2026.10.27 09:00

Key point

The update allows passing images alongside text in the standard AI SDK message format, processed by underlying vision models.

Details

  • AI SDK HarnessAgent layer now accepts image inputs across every harness adapter
  • Images are passed alongside text using a content array mixing text and file parts in the standard AI SDK message format
  • Image input is processed by the harnesses' underlying vision models
  • Support covers all available adapters: Claude Code, Cline, Codex, Cursor, Deep Agents, fx, GitHub Copilot, Grok Build, OpenCode, and Pi

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