Single-Agent SDKs

Compare single-agent SDKs for building focused AI applications. LangChain, PydanticAI, Vercel AI SDK, and more — type-safe, lightweight, and production-ready building blocks.

This collection isolates focused SDKs for one-agent-at-a-time products. Start with the server-rendered shortlist below, then refine the interactive directory by license, pricing, and ranking signals.