TypeScript agent framework for building production-grade, type-safe AI applications and workflows. Inspired by Pydantic AI, Vibes Agent SDK allows building production grade durable AI agents with Typescript. It comes with batteries included: * Type-safe tools + Zod validation * Evals & Testing tools * Dependency injection * Structured output + streaming * Retries + token cost controls * OpenTelemetry observability * 50+ providers via Vercel AI SDK * MCP, A2A + Temporal for durable agents