AI SDK by Vercel
Vercel
A TypeScript toolkit for building AI-powered applications and agents across supported model providers.
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Vercel
A TypeScript toolkit for building AI-powered applications and agents across supported model providers.
Agno
An SDK for building, running, and managing agent platforms.
IBM Research / BeeAI
An open-source framework for building multi-agent systems in Python or TypeScript.
Stanford NLP
A Python framework for building AI systems with structured signatures, reusable modules, and optimization.
Mastra
A TypeScript framework for building AI agents and applications.
OpenAI
A lightweight SDK for building agentic AI applications with agents, tools, handoffs, guardrails, and tracing.
Pydantic
A typed, extensible Python AI SDK for building agents and AI applications.
Strands Agents
A Python and TypeScript SDK for building, managing, evaluating, and deploying AI-powered agents.
Hugging Face
An open-source Python library for building and running tool-using AI agents with minimal abstractions.
A skill is a bounded set of instructions and resources that tells an agent when and how to perform a specialized task.