Deep Agents and OpenCode now available in AI SDK Harness
Two new coding-agent runtimes, Deep Agents and OpenCode, are now available as adapters in the AI SDK Harness. This allows developers to run established coding-agent runtimes through a unified interface and switch between runtimes without changing application code.
The 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.AI SDK Harness
adapts LangChain's runtime, with built-in file and shell tools, skills, host tools, multi-turn sessions, attach and resume, and built-in tool approvals.@ai-sdk/harness-deepagentsdeepagents
Read the to get started.Deep Agents harness documentation
boots a real OpenCode server inside the sandbox via and 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.@ai-sdk/harness-opencode@opencode-ai/sdk
Read the to get started.OpenCode harness documentation
The full supported list of harnesses is now: Claude Code, Codex, Deep Agents, OpenCode, Pi, with more coming soon.
Deep Agents
OpenCode
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