The open-source app everyone uses to manage agents at work
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An AI prompt optimizer for writing better prompts and getting better AI results.
Vane is an AI-powered answering engine.
🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic.
Harness engineering beginner tutorial, from 0 to 1
High-performance In-browser LLM Inference Engine
AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework
Open-Source Agent Observability & Evals for AI Platform teams. Trace, test, route and govern every agent & coding assistant in the company.
The complete toolkit for building AI agents in JavaScript. Lightweight core, React & Terminal UIs, autonomous runtime, tools, skills, memory, RAG and observability. Plug-and-play from chat UI to full agents.