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19 packages • ⭐ 134,521 total stars

mlflowv3.17.2🏛️ Flagship⭐25,479

The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controllin

langfusev4.70.0🏛️ Flagship⭐25,291

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

promptfoo0.125.1🏛️ Flagship⭐20,382

Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, Llama, and more. Simple declarative configs with command line and

opik2.2.119🏛️ Flagship⭐18,965

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

WeKnorav0.8.3🏛️ Flagship⭐13,971

LLM-powered framework for deep document understanding, semantic retrieval, and context-aware answers using RAG paradigm.

ragasmain@2026-02-24💤 Dormant⭐13,570

Supercharge Your LLM Application Evaluations 🚀

AutoRAGv2.12.0🌳 Mature⭐4,713

AutoRAG: An Open-Source Framework for Retrieval-Augmented Generation (RAG) Evaluation & Optimization with AutoML-Style Automation

agentav0.124.0🌳 Mature⭐4,045

The open-source LLMOps platform: prompt playground, prompt management, LLM evaluation, and LLM observability all in one place.

langwatchlangwatch-3.21.0🌳 Mature⭐3,206

The platform for LLM evaluations and AI agent testing

langsmithv0.14.9🌳 Mature⭐858

Client library to connect to the LangSmith Observability and Evaluation Platform.

Observalv1.15.1🌳 Mature⭐572

Observal is an AI agent registry with first in class observabilty and eval framework

OpenClawProBenchmain@2026-08-25🌿 Growing⭐453

OpenClawProBench is a live-first benchmark harness for evaluating LLM agents in the OpenClaw runtime with deterministic grading and repeated-trial reliability.

aragv0.1.0💤 Dormant⭐252

A-RAG: Agentic Retrieval-Augmented Generation via Hierarchical Retrieval Interfaces. State-of-the-art RAG framework with keyword, semantic, and chunk read tools for multi-hop QA.

evalsv1.7.0🌿 Growing⭐106

A comprehensive evaluation framework for AI agents and LLM applications.

arthur-engine2.1.1039🌿 Growing⭐77

Make AI work for Everyone - Monitoring and governing for your AI/ML

@poofnew/vibe-check0.1.1💤 Dormant⭐5

AI agent evaluation framework for Claude and beyond

agent-regression-testingv0.1.15🌱 Seedling

A standalone library for AI agent regression testing using LLM-as-judge evaluation

@wix/eval-assertions0.51.0💤 Dormant

Assertion framework for AI agent evaluations - supports skill invocation checks, build validation, and LLM-based judging