---
id: vercel/ai/add-harness-package
version: "f8be79e9"
license: NOASSERTION
install: manual
updated: 2026-07-28
---

# Add Harness Package — This guide walks through building a new harness package that bridges a coding-agent runtime to the AI SDK's HarnessV1 interface. It covers package structure, configuration, TypeScript setup, adapter implementation, and runtime-specific concerns like auth and tool schema translation.

Publisher: vercel · Stars: 25844 · Updated: 2026-07-28

Install (manual): `git clone https://github.com/vercel/ai`

*Unlicensed repository - metadata only, no file contents reproduced.*

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