crewai

CrewAI is a leading agent framework in the 2026 AI agent engineering landscape (54.8k★).

When to use this skill

Role-based multi-agent crews: Agent (role/goal/backstory) + Task + Crew + Process
Flows: event-driven orchestration with @start/@listen/@router decorators for production pipelines
YAML-first configuration (agents.yaml / tasks.yaml) scaffolded by the crewai CLI
Memory and knowledge stores per agent/crew
crewai-tools package + MCP tool support
Official CrewAI Skills for coding agents (npx skills add crewaiinc/skills)
Standalone — no LangChain dependency
Ecosystem overlap: langgraph-workflow covers graph orchestration; crewai covers role/crew paradigm — complementary; langchain-bmad routes between framework skills