CrewAI
Agent frameworks and SDKsTeams of role-based agents working together
- Stars
- ★ 59.9k
- Licence
- MIT
- Updated
- Agent tooling
- Official

A TypeScript framework for agents, workflows and RAG
From GitHub, fetched 19 Oct 2026.
From the team behind Gatsby. Agents, workflows, memory, evals and MCP support in TypeScript.
| Runs as | Library |
|---|---|
| Type | Agent tooling |
| Maintained by | Official |
| Install | npm: @mastra/core |
Sources: github.com/mastra-ai/mastra, checked 19 Oct 2026. “Runs as” is from this listing. Blank means we haven't found it in official docs yet, not that it's unsupported.
Teams of role-based agents working together
Stateful, long-running agents as graphs
OpenAI's lightweight framework for multi-agent workflows
A minimal agent library where agents write code
A high-level Python framework for MCP servers and clients
The official Python library for MCP servers and clients