Hey, builder!
Open a project, catch an idea, or manage your plan.
Storage
…
Downloads
… 30 days after your first export
Projects
…
Plan
FREE No subscription
Free plan: 1 cloud-synced project, 50.0 KB, 50 downloads per 30-day window — and unlimited local storage. Checkout runs on Stripe — plans start at $3/month.
Couldn't load your projects
Something went wrong while fetching your workshop. Check your connection and try again.
Your workshop is empty
Build your first Minecraft add-on — start blank or grab a template below, drag blocks and items together, then export it straight into the game.
Start from a template
4 ready-made starting points — pick one, it loads onto the canvas, then make it yours.
Notepad
Jot mod ideas, to-do lists and crafting plans — they live right next to your projects.
0 / 3,000 characters Saved Unsaved changes
Idea lightbulb Ultra feature
Tap the lightbulb for a fresh, buildable add-on idea.
The idea lightbulb is an Ultra feature
Ultra also brings unlimited downloads, the BYOK AI assistant and experimental toggles.
Current plan
What your account can do right now.
Free plan: projects stay as long as you keep building — inactive free projects are tidied up after 7 days.
Every plan: unlimited local storage — projects can live in your browser and move between local and cloud storage any time.
Billing
Subscriptions and one-time packs, handled securely by Stripe.
Checkout runs on Stripe. You always confirm a purchase before any money moves — and you can cancel any time.
- Cancel anytime — access continues to the end of the period.
- 30-day grace window after canceling: download everything before it's gone.
- No refunds, ever (see the Terms of Service).
Upgrade your plan
Checkout opens on the billing page — no card is ever needed to keep building.
Starter Subscription
Your first step up — more projects and cloud sync.
$3/month
- 15 cloud-synced projects
- 2 Pro blocks: effects & events
- 3.5 MB cloud sync · packs top off at 50 MB
- Unlimited local storage — build in your browser
- Unlimited downloads
Pro Subscription
For builders with a long idea list.
$10/month
- 50 projects
- 10.0 MB cloud sync · packs up to 110 MB
- Unlimited downloads
- Pro nodes: titles, sounds, particles, teleports — plus Starter's blocks
Ultra Subscription
Everything in Pro, without the limits.
$25/month
- Unlimited downloads
- 50.0 MB cloud sync · packs up to 250 MB · 100 projects
- Ultra nodes: conditions, math, random · experimental toggles
- BYOK AI assistant · idea lightbulb · one-click Java↔Bedrock converter
Requires cancelling Pro or Starter first — plans never stack. Storage packs transfer with a free top-up to the nearest 50 MB; banked credits are never forfeited.
Upgrade to UltraCreators add-on One-time
Cinematic tools for Pro & Ultra builders.
$7.99one-time
- Cinematic nodes: cameras, fades, cinematic titles
- Stage opening shots and title cards for videos
- Yours forever after one purchase — even if you cancel
Cloud collaboration requires a cloud-synced project.
Profile
Who you are on ModSeed.
builder
This is how you appear across ModSeed — usernames can't be changed.
Security
Two-factor authentication for your account.
AI assistant Ultra feature
Bring your own API key (OpenAI-compatible) and let the assistant build your workspace — describe the mod, watch the nodes appear.
Ultra also brings unlimited downloads, the idea lightbulb and experimental toggles. Unlock it from the — checkout runs on Stripe.