Reusable backend logic nodes

Checkout sessions, subscriptions, invoices, refunds, and payment webhooks.

Token validation, role checks, permission rules, and protected request context.

Per-user quotas, sliding windows, burst protection, and response headers.

Summarize long content, control output length, and return structured highlights.

Migration-ready tables, indexes, relations, and seed data from schema changes.

Read-through caching, expiration policies, invalidation, and cache metrics.

Social providers, secure session checks, token validation, and profile sync.

Extract text, metadata, tables, and structured fields from uploaded PDFs.

Schedule asynchronous jobs with retries, status tracking, and failure hooks.