Best AI Agent Frameworks in 2026

Low-code workflow automation with 400+ integrations and AI

Autonomous AI agent platform for complex task execution

Visual framework for building AI agents and RAG apps

Open-source LLM app development and orchestration platform

Let AI control a browser autonomously to complete web tasks

Reference implementations for Model Context Protocol servers

Platform for AI software development agents

Multi-agent framework assigning roles to GPT models

Autonomous agent that writes and executes code on your machine

Autonomous coding agent in VS Code with file editing and terminal

Microsoft's multi-agent conversation framework for LLM automation

Framework for orchestrating role-playing AI agents

Drag-and-drop UI to build LLM workflows

Describe what you want and AI builds the codebase

Lightweight library for building multi-modal agents

Build multimodal AI agents with memory, knowledge and tools

Build stateful multi-actor LLM applications as graphs

Microsoft MCP server for Playwright browser automation

Assemble and deploy autonomous AI agents in your browser

Communicative agents building software as a virtual company