Multi-Agent Guide

Multi-agent tools and frameworks, compared

Multi-Agent Guide lists 15 multi-agent tools and frameworks. Each one has a page with the same structure: what it is, key facts, features, architecture, MCP / A2A / AG-UI support, what it fits, a quickstart, pros and cons, and alternatives. GitHub numbers are refreshed daily and every fact links to its source.

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Tools by GitHub stars

Top 15 of 15 tools by GitHub stars. Data as of 2026-09-30.
Tool Type Languages License Pricing Pattern MCPA2AAG-UI Stars
MetaGPT Framework Python MIT Open core Crew / roles UnknownUnknownUnknown 70,699
AutoGen Framework Python, .NET CC-BY-4.0 Open source, free Blackboard Yes evidenceUnknownUnknown 61,229
CrewAI Framework Python MIT Open core Crew / roles Yes evidenceYes evidencePartial evidence 59,206
OpenManus Framework Python MIT Open source, free Supervisor Yes evidencePartial evidenceUnknown 58,442
LangGraph Framework Python MIT Open core Graph Yes evidenceYes evidencePartial evidence 42,495
ChatDev Framework Python Apache-2.0 Open source, free Graph Yes evidenceUnknownUnknown 34,422
OpenAI Agents SDK (Python) Framework Python MIT Open core Handoff Yes evidenceNo evidenceUnknown 29,778
smolagents Framework Python Apache-2.0 Open source, free Supervisor Yes evidenceUnknownUnknown 29,595
Mastra Framework TypeScript unknown Open core Supervisor Yes evidenceYes evidenceYes evidence 28,445
Letta Framework TypeScript, Python Apache-2.0 Open core Supervisor Yes evidenceUnknownUnknown 24,981
OpenAI Swarm Framework Python MIT Open source, free Handoff UnknownUnknownUnknown 22,027
CAMEL Framework Python Apache-2.0 Open source, free Supervisor Yes evidenceUnknownUnknown 17,798
VoltAgent Framework TypeScript MIT Open core Supervisor Yes evidenceYes evidenceYes evidence 10,705
Swarms Framework Python Apache-2.0 Open core Other Yes evidenceUnknownUnknown 7,221
AG2 Framework Python Apache-2.0 Unknown Other Yes evidenceYes evidenceYes evidence 4,970

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