v1.16.0 CLI · SDK 28 Oct 2026

Zod 4 support

Define your Helix schemas with Zod 4. New projects scaffold it, and existing Zod 3 projects keep working, so you can migrate when it suits you.

npm install @trayai/helix-cli@1.16.0 @trayai/helix-sdk@1.16.0

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What matters in this release

Changed

Zod 4 support

Define your function and tool schemas with Zod 4. defineFunction, defineTool, and DefineFunctionOptions accept Zod 4 schemas, and your existing Zod 3 schemas keep working, so you can upgrade when it suits you. New projects from helix init scaffold zod@^4.6.6.

Read the docs →

Everything else that changed

Security

The CLI and SDK now depend on zod@^4.6.6, clearing advisory GHSA-mrhx-c7xc-m3w5 Docs →

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