Agent Frameworks
17 toolsAutoGen
Conversational multi-agent framework — superseded by Microsoft Agent Framework
CrewAI
Role-based multi-agent orchestration
MetaGPT
Multi-agent software company simulation
Semantic Kernel
Microsoft AI orchestration SDK — superseded by Microsoft Agent Framework
Agno
Fast Python agent framework, formerly Phidata
Letta
Stateful agents with long-term memory — formerly MemGPT
smolagents
HuggingFace's minimal agent framework
OpenAI Agents SDK
Production-grade multi-agent orchestration from OpenAI
LangGraph
Graph-based stateful agent orchestration
Mastra
TypeScript AI agent framework by Vercel contributors
Google Agent Development Kit
Google's open-source framework for building production-ready AI agents
PydanticAI
Type-safe Python agent framework by Pydantic team
Julep
Platform for building long-running AI workflows and stateful agents
Strands Agents
AWS's open-source agent SDK with built-in persistent memory
Bee Agent Framework
IBM's open-source TypeScript framework for production AI agents
Microsoft Agent Framework
Microsoft's official agent SDK — merger of AutoGen and Semantic Kernel
Claude Agent SDK
Anthropic's official agent SDK