Build durable, resumable workflows that survive restarts, deployments, and failures using TypeScript directives.
| "use workflow" | Orchestrates steps, sleeps, suspends | Deterministic: No side effects, no Node.js modules, no global fetch | | "use step" | Contains business logic, I/O, side effects | Runs on separate request: Auto-retries on failure |
Workflow DevKit uses event sourcing - state changes are stored as events and replayed to reconstruct state. Workflows must be deterministic so replays produce identical step sequences. Steps run on separate requests, so data passes by value (mutations don't affect workflow variables).
Crea flussi di lavoro durevoli con Vercel Workflow DevKit utilizzando le direttive "usa flusso di lavoro" e "usa passaggio". Utilizzare per attività a lunga esecuzione, processi in background, agenti AI, webhook, attività pianificate, nuovi tentativi e orchestrazione del flusso di lavoro. Supporta Next.js, Vite, Astro, Express, Fastify, Hono, Nitro, Nuxt, SvelteKit. Fonte: jakerains/agentskills.