Limits

For agents: Check file count, decoded file sizes, paths, MIME types, and supported schedules before publish.

Release Limits

• Max files: 5000.
• Max single decoded file: 20 MiB.
• Max total decoded files: 500 MiB.
• File paths must be relative and cannot use empty, dot, or parent segments.
• Scheduled jobs support every_15_minutes, hourly, and daily.

Plan Limits

The API enforces account entitlements locally during publish. Free accounts can create up to 3 apps and can publish public static/server apps with small data, files, secrets, and manual jobs. Paid-only manifest features include private apps, public app-user signup, private file stores, scheduled jobs outside the account schedule allowance, generic/GitHub webhooks by tier, slugs, custom domains, analytics, backup/export, and priority support.

Plan failures return 402 with entitlement_required or plan_limit_exceeded. The response includes machine-readable details so agents can point to the blocking manifest path and required plan.

Platform Limits

• Production server apps run as Workers for Platforms User Workers behind the Userland app gateway.
• v0 uses one shared Userland-managed D1 database. Apps do not get a dedicated D1 database.
• App data is scoped by app_id; large or high-write apps may be moved to app-data shards later.
• Current operational tripwires: shared D1 storage near 7 GB, D1 queueing/user-visible SQL latency, or one tenant degrading unrelated apps.