# Show HN: ManifestGo – AI tuned for MV3 extension boilerplate and edge case

> Source: <https://manifestgo.app/>
> Published: 2026-09-20 08:04:48+00:00

## What is ManifestGo?+

ManifestGo is an AI Chrome extension builder. Describe an extension in plain English and it generates the complete Manifest V3 project — popup, background service worker, content scripts, options page, and icons — with live preview and a ready-to-install .zip.

## Are generated extensions Manifest V3 compatible?+

Yes. Every project uses manifest_version 3, a background service worker, MV3 action popups, declarative content scripts, and least-privilege permissions by default.

## Can ManifestGo build full-stack extensions with a database and login?+

Yes. ManifestGo ships real Supabase or Firebase authentication, per-user database reads and writes, persisted sessions, encrypted API keys, and third-party API integrations — all owned by the background service worker so no credential ever reaches page context.

## Can I publish the code to the Chrome Web Store?+

Yes. You own the source. Download the unminified .zip and publish it under your own Chrome Web Store developer account — no attribution or lock-in required.

## Do I need to know how to code?+

No. Founders and non-developers can ship real extensions from a single prompt. Developers can also refine every file directly.

## How do I install the extension I built?+

Download the .zip, unzip it, open chrome://extensions, enable Developer Mode, click 'Load unpacked', and select the folder.

## Can ManifestGo build complex extensions?+

Yes. It handles multi-surface extensions with popup, options page, background worker, content scripts, and context menus.

## How much does ManifestGo cost?+

Pro is $15 for 300 credits. Unused credits roll over for up to 3 months. A free tier is available to try it out.

## Is my API key or data safe?+

Yes. Secrets live in the project vault and stay out of the bundled extension. Your generated code is yours.