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deepset-ai/haystackOpen-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.
Python★ 26.5KSep 16, 2026
PyPI · crates.io · npm99Exceptionalhealth index

IBM/mcp-context-forgeAn AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.
Python★ 4,477Sep 16, 2026
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ag2ai/ag2AG2 (formerly AutoGen): The Open-Source AgentOS.Join us at: https://discord.gg/sNGSwQME3x
Python · MDX★ 4,891↓ 494.4K/moAug 28, 2026
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google/adk-pythonAn open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.
Python★ 21.6K↓ 18.7M/moSep 16, 2026
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kedro-org/kedroKedro is a toolbox for production-ready data science. It uses software engineering best practices to help you create data engineering and data science pipelines that are reproducible, maintainable, and modular.
Python★ 11K↓ 1.2M/moSep 17, 2026
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microsoft/agent-frameworkA framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.
Python · C#★ 13.2K↓ 1.5M/moAug 27, 2026
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Agenta-AI/agentaAgenta is a workspace where you and your team build agents and automations.
TypeScript · Python★ 4,573↓ 17.6K/moAug 28, 2026
PyPI · npm98Exceptionalhealth index

ComposioHQ/composioComposio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.
TypeScript · Python★ 30.2K↓ 1.7M/moSep 16, 2026
PyPI · npm98Exceptionalhealth index

ModelEngine-Group/nexentNexent is a zero-code platform for auto-generating production-grade AI agents using Harness Engineering principles — unified tools, skills, memory, and orchestration with built-in constraints, feedback loops, and control planes.
Python · TypeScript★ 5,839Aug 28, 2026
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Python★ 1,201↓ 3M/moSep 12, 2026
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Significant-Gravitas/AutoGPTAutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.
Python · TypeScript★ 187.4KSep 16, 2026
Go · npm · PyPI97Exceptionalhealth index

langgenius/difyBuild Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.
TypeScript · Python★ 155.9KSep 16, 2026
npm · Go97Exceptionalhealth index

mckinsey/agents-at-scale-arkProvider-agnostic operations for agentic resources. ARK codifies patterns and practices developed across dozens of agentic application projects.
TypeScript · Go · Python★ 422↓ 559/moSep 10, 2026
PyPI · npm97Exceptionalhealth index

strands-agents/harness-sdkBuild an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.
Python · TypeScript · MDX★ 7,036↓ 39M/moAug 28, 2026
PyPI · npm96Exceptionalhealth index

CopilotKit/CopilotKitThe Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol
TypeScript★ 37.4K↓ 502.6K/moSep 16, 2026
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Python · MDX★ 2,237Sep 19, 2026
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Nixtla/nixtlaTimeGPT-2.1: production ready pre-trained Time Series Foundation Model for forecasting and anomaly detection. Generative pretrained transformer for time series trained on over 100B data points. It's capable of accurately predicting various domains such as retail, electricity, finance, and IoT with just a few lines of code 🚀.
Jupyter Notebook★ 4,008↓ 57.3K/moSep 18, 2026
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Go★ 28.1KSep 16, 2026
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google/adk-jsAn open-source, code-first Typescript toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.
TypeScript★ 1,398↓ 693.4K/moSep 14, 2026
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keploy/keployOpen-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
Go★ 18.5KSep 16, 2026
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kirodotdev/KiroCrewA persistent workspace for development work that self-improves and continues beyond one session.
Python · TypeScript★ 4,483Oct 19, 2026
Go · npm95Exceptionalhealth index
Go · TypeScript · Python★ 2,557Sep 8, 2026
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JetBrains/koogKoog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and enterprise-ready AI agents across all platforms – from backend services to Android and iOS, JVM, and even in-browser environments. Koog is based on our AI products expertise and provides proven solutions for complex LLM and AI problems
Kotlin★ 4,622Oct 21, 2026
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MemTensor/MemOSSelf-evolving memory OS for LLM & AI Agents: ultra-persistent memory, hybrid-retrieval, and cross-task skill reuse, with 35.24% token savings and DeepSeek Harness support.
TypeScript · Python★ 11KAug 28, 2026
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Q00/ouroborosAgent OS: the agent gets smarter on its own. We just hold the line: Interview-gated, staged evaluation, budgeted evolution loop. MCP server, 14 runtimes: Claude Code, Codex CLI, Gemini CLI, OpenCode, Copilot, Kiro and more.
Python★ 6,008Sep 18, 2026
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SWE-agent/mini-swe-agentThe 100 line AI agent that solves GitHub issues or helps you in your command line. Radically simple, no huge configs, no giant monorepo—but scores >74% on SWE-bench verified!
Python★ 7,716↓ 11M/moSep 17, 2026
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Python★ 94↓ 1.6M/moSep 10, 2026
PyPI · Go · npm95Exceptionalhealth index

infiniflow/ragflowRAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs
Go · Python · TypeScript★ 90.8KSep 16, 2026
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EverMind-AI/EverOSOne portable memory layer for every AI agent: local-first, Markdown-native, user-owned, and self-evolving across apps, tools, and workflows.
Python★ 13.4K↓ 20.4K/moOct 14, 2026
npm · PyPI94Exceptionalhealth index

NVIDIA/SkillSpectorSecurity scanner for AI agent skills. Detect vulnerabilities, malicious patterns, security risks, prompt injection, data exfiltration, and supply-chain risks in Claude Code, Codex, and MCP skills before you install them.
Python★ 17.8KSep 19, 2026