Open-source AI agent projects grouped by LLM provider, ranked by evidence-based HVTrust scores.
| Agent | Category | Grade | Rank | HVTrust | Fresh |
|---|---|---|---|---|---|
| LangGraphlangchain-ai/langgraph | Agent Frameworks | A | #1 | 92.9 | 6d |
| Haystackdeepset-ai/haystack | Agent Frameworks | A | #2 | 92.6 | 6d |
| Vercel AI SDKvercel/ai | Agent Frameworks | A | #3 | 92.4 | today |
| Codexopenai/codex | Coding Agents | A | #4 | 92.2 | 6d |
| n8nn8n-io/n8n | Workflow Platforms | A | #5 | 91.4 | 3d |
| Clinecline/cline | Coding Agents | A | #6 | 90.8 | today |
| OpenAI Agents SDKopenai/openai-agents-python | Agent Frameworks | A | #7 | 90.8 | 6d |
| PydanticAIpydantic/pydantic-ai | Agent Frameworks | A | #8 | 90.7 | 6d |
| LiveKit Agentslivekit/agents | Voice & Conversational | A | #9 | 90.6 | 3d |
| MLflowmlflow/mlflow | Observability & Evaluation | A | #10 | 90.5 | 3d |
| Trigger.devtriggerdotdev/trigger.dev | Workflow Platforms | A | #11 | 90.4 | today |
| Strands Agentsstrands-agents/sdk-python | Agent Frameworks | A | #12 | 89.2 | today |