HarnessAgent adds image input across adapters

// 1h agoPRODUCT UPDATE

HarnessAgent adds image input across adapters

Vercel’s AI SDK HarnessAgent now accepts images alongside text through the standard AI SDK message format. Vision support spans Claude Code, Cline, Codex, Cursor, Deep Agents, fx, GitHub Copilot, Grok Build, OpenCode, and Pi.

// ANALYSIS

This is a small API change with outsized leverage: developers can build image-aware agent workflows without writing adapter-specific integrations.

–Standard message parts make multimodal inputs portable across harnesses
–Underlying vision models handle image interpretation inside each runtime
–Adapter parity reduces migration friction between coding agents
–Useful for screenshot debugging, visual QA, UI analysis, and design-to-code workflows
–Model capability and image handling may still vary between harnesses

// TAGS

harnessagentagentmultimodalvisionsdkdevtool

DISCOVERED

1h ago

2026-10-27

PUBLISHED

1h ago

2026-10-27

RELEVANCE

9/ 10

AUTHOR

vercel_dev

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