175 listed
Harnesses & SDKs
Frameworks and SDKs for building agents: the Claude Agent SDK, OpenAI Agents SDK, LangGraph, CrewAI and many more. Each page lists languages, packages, MCP and A2A support and how it orchestrates agents, with a link to the page every fact came from.
Showing 1–3 of 3
| Name | Language | Stars | Downloads / month (approx.) | MCP | A2A | Multi-agent |
|---|---|---|---|---|---|---|
| PraisonAI Python framework for multi-agent teams and workflows, with a CLI and Docker, MCP and A2A deployment options. | Python, JavaScript | 9.3K | ~19.8K | Built in | Built in | Yes |
| OpenAI Agents SDK (JavaScript) TypeScript and JavaScript framework for multi-agent workflows with tools, handoffs, guardrails, sandboxes and voice agents. | TypeScript, JavaScript | 3.9K | ~5.1M | Built in | Not stated | Yes |
| KaibanJS JavaScript framework for multi-agent teams whose tasks move across a Kanban-style board you can watch. | JavaScript | 1.5K | — | Not stated | Not stated | Yes |