#Type Safety

How to Use TypeScript with Zowl

Type-safe agent output — every PR compiles clean.

What is TypeScript?

TypeScript catches errors at compile time. Zowl integrates tsc as a pipeline verification step so agent-generated code is type-checked before it becomes a PR. Type errors get fed back to the agent for automatic resolution.

How Zowl Helps

AI agents sometimes produce code with type errors — wrong argument types, missing properties, incompatible interfaces. Zowl runs tsc after each agent task and feeds compiler errors back for the agent to fix. The result: type-safe PRs, every time.

Setup Guide

Ensure TypeScript is Configured

Your project needs a tsconfig.json. Zowl runs tsc using your existing TypeScript configuration.

Add Type Check Step

Add a verification node that runs npx tsc --noEmit after agent code generation.

Enable Error Feedback Loop

Configure Zowl to feed type errors back to the agent with file context for automatic fixing.

Set as Required Gate

Mark type checking as required — only type-safe code gets committed to PRs.

Capabilities

Type-Check Loop

Agent writes code → tsc catches errors → agent fixes types → repeat until compilation succeeds.

Interface Awareness

Agents get your project's type definitions as context, producing better-typed code from the start.

Strict Mode Support

Works with strict TypeScript configs — noImplicitAny, strictNullChecks, and all compiler flags.

Cross-File Type Safety

Zowl runs project-wide tsc, catching type errors across file boundaries — not just in the changed file.

Frequently Asked Questions

Yes. For JS projects, you can still use tsc with allowJs and checkJs in your tsconfig for type checking without migrating to TypeScript.

Agents receive full type context from your project. For complex generics, the error feedback loop gives agents the specific compiler messages to resolve.

Yes. Agents can generate type declaration files as part of documentation or library publishing pipelines.

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2026-03-20#zowl#origin-story#pipelines