PyPI · npm99Exceptionalhealth index
Python · TypeScript★ 1,039↓ 148M/moAug 27, 2026
PyPI · npm99Exceptionalhealth index

mlflow/mlflowThe 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 controlling costs and managing access to models and data.
Python · TypeScript★ 28K↓ 28.6M/moSep 16, 2026
PyPI · npm98Exceptionalhealth index

Agenta-AI/agentaAgenta is a workspace where you and your team build agents and automations.
TypeScript · Python★ 4,573↓ 17.6K/moAug 28, 2026
npm · PyPI98Exceptionalhealth index

comet-ml/opikDebug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.
Python · TypeScript★ 22.1K↓ 175.4K/moSep 16, 2026
npm · Go98Exceptionalhealth index
TypeScript★ 4,810↓ 1,502/moSep 17, 2026
npm97Exceptionalhealth index

promptfoo/promptfooTest 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.
TypeScript★ 25.2K↓ 2.6M/moSep 16, 2026
PyPI96Exceptionalhealth index
Python · Jupyter Notebook★ 3,419Sep 11, 2026
npm · crates.io96Exceptionalhealth index

langfuse/langfuse🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
TypeScript★ 34.7K↓ 7.2M/moSep 16, 2026
PyPI · npm95Exceptionalhealth index
Python · MDX★ 1,179↓ 375.8K/moSep 10, 2026
PyPI95Exceptionalhealth index

modelscope/evalscopeA streamlined and customizable framework for efficient large model (LLM, VLM, AIGC) evaluation and performance benchmarking.
Python · TypeScript★ 3,425↓ 42.4K/moSep 15, 2026
PyPI · Go · npm94Exceptionalhealth index

Tencent/WeKnoraOpen-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.
Go · Vue · TypeScript★ 25.2K↓ 735/moSep 16, 2026
PyPI94Exceptionalhealth index
Python★ 29.5K↓ 257.6K/moSep 16, 2026
PyPI93Exceptionalhealth index
Python★ 502↓ 23.6M/moOct 21, 2026
Go93Exceptionalhealth index

trpc-group/trpc-agent-goA Go framework for building production agent systems with graph workflows, tools, memory, A2A, AG-UI, MCP, evaluation, and observability.
Go★ 1,781Sep 11, 2026
PyPI · npm92Excellenthealth index

UiPath/coder_evalPlaywright for coding agents. Test that your skills, MCP servers, and CLIs actually work when an agent uses them — sandboxed YAML suites, A/B experiments, CI gates.
Python · TypeScript★ 152↓ 7,982/moOct 19, 2026
PyPI91Excellenthealth index

Kiln-AI/KilnBuild, Evaluate, and Optimize AI Systems. Includes evals, RAG, agents, fine-tuning, synthetic data generation, dataset management, MCP, and more.
Python · Svelte · TypeScript★ 5,075↓ 1,637/moSep 19, 2026
npm91Excellenthealth index
TypeScript★ 18↓ 25.3M/moOct 20, 2026
PyPI · npm90Excellenthealth index

Marker-Inc-Korea/AutoRAGAutoRAG: Now your agent can find anything in your computer. It gets smarter if you are using it frequently.
TypeScript · Python★ 5,073↓ 2,320/moSep 15, 2026
PyPI · Go · npm90Excellenthealth index
Python★ 36↓ 94.7K/moOct 20, 2026
npm · PyPI90Excellenthealth index

joshuaswarren/remnicOpen-source memory and context for user-aware agents: scoped memory, provenance, retrieval quality, correction, boundaries, evals, and MCP/HTTP access.
TypeScript★ 228↓ 37.5K/moOct 20, 2026
npm · Go · crates.io +390Excellenthealth index
TypeScript · C#★ 5↓ 58.8K/moOct 21, 2026
npm89Excellenthealth index

MCPJam/inspectorTesting and evaluation platform to chat, inspect, and debug MCP servers, MCP apps, and ChatGPT apps.
TypeScript★ 2,195↓ 20.6K/moSep 10, 2026
npm · PyPI87Excellenthealth index
TypeScript★ 51↓ 14.7K/moOct 8, 2026
PyPI87Excellenthealth index
Python★ 6↓ 14K/moOct 13, 2026
PyPI · npm87Excellenthealth index

hidai25/eval-viewRegression testing for AI agents. Snapshot behavior,diff tool calls,catch regressions in CI. Works with LangGraph, CrewAI, OpenAI, Anthropic.
Python★ 134↓ 2,093/moSep 13, 2026
PyPI86Excellenthealth index
Python★ 4,309↓ 210.7K/moAug 28, 2026
NuGet86Excellenthealth index

asc-community/AngouriMathOpen-source cross-platform symbolic algebra library for C# and F#. Can be used for both production and research purposes.
C#★ 827Aug 23, 2026
PyPI86Excellenthealth index

orq-ai/evaluatorqEvaluation module for the orq platfrom in python, including Red Teaming and Agent Simulation
Python★ 21↓ 5,743/moSep 8, 2026
PyPI · npm86Excellenthealth index

robocurve/inspect-robotsOpen source evals for physical AI. Run any LLM/VLA on any arm/humanoid against any real/sim benchmark.
Python★ 269↓ 5,131/moSep 6, 2026
PyPI86Excellenthealth index
Python · Jupyter Notebook★ 15.8K↓ 1.2M/moSep 17, 2026