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 1–6 of 6
| 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 |
| LiveKit Agents Framework for Python or Node.js programs that join LiveKit rooms as realtime voice and video agents. | Python, JavaScript | 14.9K | ~4.1M | Built in | Not stated | — |
| metorial Open-source access layer that connects AI agents to 1200+ integrations with shared auth, permissions and audit logs. | TypeScript, JavaScript, Python | 3.4K | ~1K | Built in | Not stated | — |
| LiveKit Agents (Node.js) Node.js distribution of the LiveKit Agents framework for realtime voice agents in LiveKit rooms. | JavaScript | 949 | ~2.3M | Built in | Not stated | — |
| attestix Python toolkit for signed identities, verifiable credentials and delegated authority for AI agents, with MCP and REST interfaces. | Python, JavaScript, Go, Java | 839 | ~690 | Built in | Not stated | — |
| 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 |