{"slug": "deep-agents-and-opencode-are-now-available-in-the-ai-sdk-harness", "title": "Deep Agents and OpenCode are now available in the AI SDK Harness", "summary": "Vercel's AI SDK Harness now supports Deep Agents and OpenCode, allowing developers to run multiple coding-agent runtimes through a unified interface without changing application code. The new adapters run inside a Vercel Sandbox, joining existing harnesses like Claude Code and Codex.", "body_md": "The [AI SDK Harness](https://vercel.com/changelog/program-agent-harnesses-with-ai-sdk) lets you run established coding-agent runtimes through one unified interface, so you can switch runtimes without changing your application code. Today we're adding two new adapters, Deep Agents and OpenCode, both running inside a Vercel Sandbox.\n\n[ @ai-sdk/harness-deepagents](https://ai-sdk.dev/providers/ai-sdk-harnesses/deepagents) adapts LangChain's\n\n`deepagents`\n\nruntime, with built-in file and shell tools, skills, host tools, multi-turn sessions, attach and resume, and built-in tool approvals.Read the [Deep Agents harness documentation](https://ai-sdk.dev/v7/providers/ai-sdk-harnesses/deepagents) to get started.\n\n[ @ai-sdk/harness-opencode](https://ai-sdk.dev/providers/ai-sdk-harnesses/opencode) boots a real OpenCode server inside the sandbox via\n\n`@opencode-ai/sdk`\n\nand streams its session events through the harness. It exposes OpenCode's built-in tools, supports both built-in and host tool approvals, and lets you pick the model, provider, and reasoning variant.Read the [OpenCode harness documentation](https://ai-sdk.dev/v7/providers/ai-sdk-harnesses/opencode) to get started.\n\nThe full supported list of harnesses is now: Claude Code, Codex, Deep Agents, OpenCode, Pi, with more coming soon.", "url": "https://wpnews.pro/news/deep-agents-and-opencode-are-now-available-in-the-ai-sdk-harness", "canonical_source": "https://vercel.com/changelog/deepagents-and-opencode-harness-adapters", "published_at": "2026-06-25 00:00:00+00:00", "updated_at": "2026-06-25 22:34:19.892573+00:00", "lang": "en", "topics": ["ai-agents", "developer-tools", "ai-tools"], "entities": ["Vercel", "AI SDK Harness", "Deep Agents", "OpenCode", "LangChain", "Claude Code", "Codex"], "alternates": {"html": "https://wpnews.pro/news/deep-agents-and-opencode-are-now-available-in-the-ai-sdk-harness", "markdown": "https://wpnews.pro/news/deep-agents-and-opencode-are-now-available-in-the-ai-sdk-harness.md", "text": "https://wpnews.pro/news/deep-agents-and-opencode-are-now-available-in-the-ai-sdk-harness.txt", "jsonld": "https://wpnews.pro/news/deep-agents-and-opencode-are-now-available-in-the-ai-sdk-harness.jsonld"}}