Top 100 Harness Repositories
Ranking
| Ranking | Project Name | Stars | Forks | Language | Open Issues | Description | Last Commit |
|---|---|---|---|---|---|---|---|
| 1 | ECC | 247,278 | 37,263 | JavaScript | 43 | The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond. | 2026-09-03 |
| 2 | deepseek-harness | 211,193 | 24,733 | TypeScript | 0 | DeepSeek Harness: Everything is a Plugin. | 2026-09-03 |
| 3 | open-design | 93,907 | 10,829 | TypeScript | 479 | 🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, ... | 2026-09-04 |
| 4 | deer-flow | 81,325 | 11,214 | Python | 501 | An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of ta... | 2026-09-04 |
| 5 | learn-claude-code | 76,000 | 12,238 | Python | 29 | Bash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1 | 2026-08-26 |
| 6 | ruflo | 70,370 | 8,383 | TypeScript | 614 | 🌊 The original agent meta-harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory, self-learning intelligence, ... | 2026-09-03 |
| 7 | oh-my-openagent | 68,664 | 5,640 | TypeScript | 518 | omo/lazycodex: The coding agent for tokenmaxxers;the one and only agent harness for complex codebases. For your Codex, for your OpenCode | 2026-09-04 |
| 8 | impeccable | 65,375 | 4,021 | JavaScript | 20 | The design language that makes your AI harness better at design. | 2026-09-04 |
| 9 | CowAgent | 46,775 | 10,335 | Python | 24 | Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-model, multi-channel. Lightweight, extensible, one-line install. (form... | 2026-09-04 |
| 10 | agents | 39,394 | 4,200 | Python | 2 | Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, and Google Antigravity | 2026-09-01 |
| 11 | harness | 38,230 | 3,381 | Go | 95 | Harness Open Source is an end-to-end developer platform with Source Control Management, CI/CD Pipelines, Hosted Developer Environments, and Artifact Registries. | 2026-09-01 |
| 12 | openai-agents-python | 29,180 | 4,656 | Python | 24 | A lightweight, powerful framework for multi-agent workflows | 2026-09-02 |
| 13 | deepagents | 28,917 | 4,065 | Python | 138 | The batteries-included agent harness. | 2026-09-04 |
| 14 | Resume-Matcher | 28,328 | 5,014 | TypeScript | 21 | The #1 AI Harness for Building Resumes, PDFs, Cover Letters & more, locally with 100+ LLMs support. | 2026-08-31 |
| 15 | agentmemory | 27,988 | 2,421 | TypeScript | 286 | #1 Persistent memory for AI coding agents based on real-world benchmarks | 2026-08-31 |
| 16 | grok-build | 26,444 | 4,967 | Rust | 0 | SpaceXAI's coding agent harness and TUI. Fullscreen, mouse interactive, extensible. | 2026-09-01 |
| 17 | dsh-desktop | 23,388 | 1,149 | TypeScript | 216 | 为 DeepSeek Harness (DSH) 插件生态打造的现代化桌面端解决方案。万物皆「插件」，桌面本身也是「插件」。 | 2026-09-03 |
| 18 | Archon | 23,371 | 3,463 | TypeScript | 278 | The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable. | 2026-09-02 |
| 19 | go-micro | 23,053 | 2,421 | Go | 5 | A Go agent harness and service framework | 2026-09-03 |
| 20 | open-code-review | 21,893 | 1,626 | Go | 78 | Fast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in multi-language ruleset (NPE, thread-... | 2026-09-03 |
| 21 | voyager | 19,937 | 660 | TypeScript | 13 | Enhancement suite for Gemini, AI Studio, Claude & ChatGPT — plus a prompt manager for any web UI, DeepSeek Harness included. / 面向 Gemini、AI Studio、Claude 与 ChatGPT 的增强套件；提示词管理器可用于任意 Web UI，含 DeepSeek ... | 2026-09-04 |
| 22 | pydantic-ai | 19,707 | 2,637 | Python | 572 | How Python does AI. Agents, realtime voice, image generation, embeddings. Every model, every interface, typed end to end. | 2026-09-04 |
| 23 | ai-guide | 19,505 | 2,197 | JavaScript | 0 | 程序员鱼皮的 AI 资源大全 + Vibe Coding 零基础教程，分享 OpenClaw 保姆级教程、大模型玩法（DeepSeek / GPT / Gemini / Claude / GLM）、最新 AI 资讯、Prompt 提示词大全、AI 知识百科（Agent Skills / RAG / MCP / A2A）、AI 编程教程（Harness Engineering）、AI 工具用法（Cu... | 2026-09-02 |
| 24 | jcode | 19,074 | 2,185 | Rust | 412 | The most RAM efficient harness | 2026-09-04 |
| 25 | parlant | 18,275 | 1,555 | Python | 18 | Build reliable customer-facing AI agents with Parlant: an interaction control harness optimized for controlled, consistent, and predictable LLM interactions. | 2026-07-12 |
| 26 | Masonry | 18,132 | 3,149 | Objective-C | 128 | Harness the power of AutoLayout NSLayoutConstraints with a simplified, chainable and expressive syntax. Supports iOS and OSX Auto Layout | 2023-04-13 |
| 27 | browser-harness | 17,358 | 1,686 | Python | 37 | Browser Harness | Self-healing harness that enables LLMs to complete any task. | 2026-09-04 |
| 28 | DeepCode | 16,485 | 2,150 | Python | 14 | "DeepCode: Open Agentic Coding (Agent Harness & Loop Engineering & Multi-Agent Orchestration)" | 2026-09-03 |
| 29 | OpenHarness | 15,638 | 2,545 | Python | 32 | "OpenHarness: Open Agent Harness with a Built-in Personal Agent--Ohmo!" | 2026-06-04 |
| 30 | learn-harness-engineering | 14,752 | 1,472 | TypeScript | 5 | Harness engineering beginner tutorial, from 0 to 1 | 2026-08-26 |
| 31 | qm | 14,540 | 1,766 | TypeScript | 250 | Multiplayer agent harness for work. | 2026-09-04 |
| 32 | Trellis | 14,447 | 808 | TypeScript | 43 | The best agent harness. | 2026-08-27 |
| 33 | awesome-dsh-plugin | 14,380 | 2,543 | Python | 3 | A curated list of plugins for DeepSeek Harness (dsh) · DeepSeek Harness 插件精选列表 | 2026-09-03 |
| 34 | memU | 14,378 | 1,065 | Python | 64 | Personal memory across agents | 2026-09-04 |
| 35 | lm-evaluation-harness | 13,884 | 3,537 | Python | 579 | A framework for few-shot evaluation of language models. | 2026-09-01 |
| 36 | MemOS | 11,178 | 1,020 | TypeScript | 39 | Self-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. | 2026-09-03 |
| 37 | hive | 11,013 | 5,667 | Python | 913 | Multi-Agent Harness for Production AI | 2026-08-21 |
| 38 | omnigent | 9,668 | 1,501 | Python | 457 | Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, and c... | 2026-09-04 |
| 39 | harness | 8,891 | 1,256 | HTML | 4 | A meta-skill that designs domain-specific agent teams, defines specialized agents, and generates the skills they use. | 2026-07-24 |
| 40 | deepsec | 7,904 | 477 | TypeScript | 23 | Deepsec is a security harness for finding vulnerabilities in your codebase powered by coding agents | 2026-08-26 |
| 41 | osaurus | 7,773 | 460 | Swift | 69 | Own your AI. The native macOS harness for AI agents -- any model, persistent memory, autonomous execution, cryptographic identity. Built in Swift. Fully offline. Open source. | 2026-09-04 |
| 42 | manifest | 7,503 | 506 | TypeScript | 35 | Connect Your Agents And Harnesses With Any Provider 🦚 | 2026-09-03 |
| 43 | defending-code-reference-harness | 7,405 | 597 | Python | 4 | Skills for threat modeling, scanning, triage, patching, plus an autonomous scanning harness you can /customize | 2026-08-06 |
| 44 | ChatLab | 7,299 | 1,504 | TypeScript | 13 | Local-first chat history analyzer with AI. | 本地优先的 AI 聊天记录分析工具 | 2026-09-03 |
| 45 | harness-sdk | 7,145 | 1,089 | Python | 487 | Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud. | 2026-09-03 |
| 46 | dsh-web | 6,799 | 445 | TypeScript | 2 | DeepSeek Harness (DSH) Web Plugin Aggregation Ecosystem · Everything is a plugin, distributed via the Creative Workshop | 2026-09-04 |
| 47 | Yuxi | 6,631 | 993 | Python | 84 | 可私有部署的多租户知识智能体平台：统一 RAG、知识图谱、多智能体、MCP/Skills、沙盒与权限管理。Self-hosted knowledge agent platform for RAG, knowledge graphs and multi-agent workflows. | 2026-09-02 |
| 48 | munder-difflin | 6,252 | 783 | TypeScript | 87 | A local multi-agent harness that works with your existing Claude Code, Codex subscriptions, allows you to run an office of agents | 2026-09-03 |
| 49 | T3MP3ST | 5,974 | 1,268 | TypeScript | 10 | autonomous red teaming platform; multi-agent offensive-security meta-harness | 2026-09-04 |
| 50 | nexent | 5,848 | 725 | Python | 178 | Nexent 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, feedbac... | 2026-09-04 |
| 51 | tape | 5,797 | 305 | JavaScript | 31 | tap-producing test harness for node and browsers | 2026-06-18 |
| 52 | harness-engineering | 5,783 | 510 | JavaScript | 0 | Harness Engineering 学习指南 — 从概念理解到独立实践的深度学习档案 | 2026-08-27 |
| 53 | mimiclaw | 5,738 | 892 | C | 54 | MimiClaw: Harness on a $5 chip. No OS(Linux). No Node.js. No Mac mini. No Raspberry Pi. No VPS. Hardware agents OS. | 2026-08-21 |
| 54 | openagent | 5,600 | 654 | Go | 43 | ⚡️next-generation personal AI assistant powered by LLM, RAG and agent loops, supporting computer-use, browser-use and coding agent, demo: https://demo.openagentai.org | 2026-09-03 |
| 55 | loopx | 5,567 | 496 | Python | 33 | Long-horizon agent control plane for durable, governed work across Codex, Claude Code, and other harnesses. | 2026-09-04 |
| 56 | agentscope-java | 5,430 | 1,296 | Java | 604 | Build distributed, production-grade, long-running agents. | 2026-09-03 |
| 57 | iPolloWork | 5,306 | 977 | TypeScript | 62 | Enterprise-grade, local-first Agent Workbench for people and agent teams. A unified multi-engine workspace for Codex Harness, DeepSeek Harness, and OpenCode, with unified plugins and Skills, multi-age... | 2026-09-03 |
| 58 | WireViz | 5,240 | 312 | Python | 160 | Easily document cables and wiring harnesses. | 2026-06-06 |
| 59 | trueforge | 5,185 | 366 | TypeScript | 47 | The open-source agent harness - the runtime layer that turns an LLM into a working agent. | 2026-09-03 |
| 60 | eve | 4,958 | 502 | TypeScript | 313 | The Open Framework for Building Agents | 2026-09-04 |
| 61 | agenta | 4,682 | 662 | TypeScript | 198 | Agenta is a workspace where you and your team build agents and automations. | 2026-09-03 |
| 62 | EvoScientist | 4,610 | 307 | Python | 22 | 🔬 Harness Vibe Research with Self-evolving AI Scientists | 2026-09-03 |
| 63 | autoagent | 4,569 | 500 | Python | 4 | autonomous harness engineering | 2026-04-03 |
| 64 | devspace | 4,446 | 478 | TypeScript | 20 | Minimal Coding Agent Harness on MCP for ChatGPT, Claude, Hermes, Grok Bot, OpenClaw | 2026-08-31 |
| 65 | AutoHedge | 4,342 | 730 | Python | 5 | Build your autonomous hedge fund in minutes. AutoHedge harnesses the power of swarm intelligence and AI agents to automate market analysis, risk management, and trade execution. | 2026-05-11 |
| 66 | claude-code-book | 4,165 | 821 | Python | 12 | 《御舆：解码 Agent Harness》42万字拆解 AI Agent 的Harness骨架与神经 —— Claude Code 架构深度剖析，15 章从对话循环到构建你自己的 Agent Harness。在线阅读网站： | 2026-09-01 |
| 67 | desktop-cc-gui | 4,148 | 368 | TypeScript | 285 | Multi-engine AI coding desktop client (Tauri). Claude Code, Codex, Gemini, OpenCode, DeepSeek Harness and more in one GUI. | 2026-09-01 |
| 68 | langroid | 4,103 | 397 | Python | 44 | Harness LLMs with Multi-Agent Programming | 2026-09-02 |
| 69 | dsh-desktop | 4,050 | 215 | TypeScript | 58 | DSHDesktop：DeepSeek Harness Desktop / DeepSeek Harness 桌面版 | 2026-09-03 |
| 70 | petdex | 4,036 | 194 | TypeScript | 7 | A public gallery of animated pets for Codex, Claude Code, DeepSeek Harness, Hermes, OpenCode, Gemini CLI, and more. | 2026-08-31 |
| 71 | awesome-harness-engineering | 3,984 | 337 | - | 1 | 🛠️ Awesome tools & guides for harness engineering. | 2026-08-19 |
| 72 | awesome-harness-engineering | 3,982 | 488 | Python | 8 | Awesome list for AI agent harness engineering: tools, patterns, evals, memory, MCP, permissions, observability, and orchestration. | 2026-09-03 |
| 73 | command-code | 3,872 | 350 | - | 265 | Command Code AI | 2026-08-15 |
| 74 | modlens | 3,854 | 113 | TypeScript | 3 | The first vision plugin for DeepSeek Harness, and the vision bridge for every text-only coding agent. Paste an image, get structured JSON evidence (OCR, layout, semantics). | 全网最强 DeepSeek Harness 外挂视... | 2026-09-01 |
| 75 | dsh-anchored-standard | 3,825 | 118 | JavaScript | 18 | Two-phase DeepSeek Harness preset: Minimal-aligned bootstrap, then full Standard tools (Project2 98/99) | 2026-09-01 |
| 76 | Raven | 3,739 | 75 | Python | 48 | The Harness of Harnesses: a trusted, persistent, self-evolving multi-agent ecosystem for all-domain collaboration. | 2026-09-03 |
| 77 | polyaxon | 3,728 | 331 | MDX | 122 | AI Infra / AI Orchestration / AI Control Plane | 2026-09-03 |
| 78 | cc-sdd | 3,651 | 280 | TypeScript | 20 | Turn approved specs into long-running autonomous implementation. A minimal, adaptable SDD harness with Agent Skills for Claude Code, Codex, Cursor, Copilot, Windsurf, OpenCode, Gemini CLI, and Antigra... | 2026-05-20 |
| 79 | goclaw | 3,585 | 1,047 | Go | 144 | GoClaw - GoClaw is OpenClaw rebuilt in Go — with multi-tenant isolation, 5-layer security, and native concurrency. Deploy AI agent teams at scale without compromising on safety. | 2026-09-03 |
| 80 | onecli | 3,443 | 220 | TypeScript | 86 | Open-source sandboxed agent harness for teams. Giving every employee a secured personal agent. | 2026-09-03 |
| 81 | lazycodex | 3,380 | 212 | TypeScript | 19 | The one and only agent harness for complex codebases. Project memory, planning, execution, and verified completion inside Codex. | 2026-08-09 |
| 82 | OpenBiliClaw | 3,195 | 157 | Python | 21 | 本地私有、开源的自进化跨平台 AI 内容发现 Agent：先理解你，再主动从 B站、小红书、抖音、YouTube、X、知乎、Reddit、微博等平台与开放 Web 寻找内容。（支持 deepseek harness 插件） | Local-first open-source cross-platform AI content discovery agent: understands you, th... | 2026-09-04 |
| 83 | EchoBird | 3,157 | 347 | Rust | 356 | One-click install + model switch:Claude Code,Codex CLI (OpenAI), Grok Build (xAI), DeepSeek Harness, Kimi Code (Moonshot) ,Qwen Code,Aider,OpenCode,MiMo Code (Xiaomi),ZCode (Z.AI),OpenClaw,Pi,OpenScie... | 2026-09-04 |
| 84 | dsh-market | 3,125 | 165 | TypeScript | 26 | The plugin market inside DeepSeek Harness — browse, search, one-click install · DSH 可视化插件市场 | 2026-09-03 |
| 85 | claude-code-harness | 3,083 | 301 | Shell | 4 | Claude Code Dedicated Development Harness - Achieving High-Quality Development Through an Autonomous Plan→Work→Review Cycle | 2026-08-31 |
| 86 | desloppify | 3,044 | 237 | Python | 28 | Agent harness to make your slop code well-engineered and beautiful. | 2026-05-13 |
| 87 | harness-books | 2,933 | 351 | Python | 2 | 📚 Two books on harness engineering — the design philosophies behind Claude Code & Codex: constraints, query loops, context governance, multi-agent verification. harness-books.agentway.dev | 2026-04-19 |
| 88 | comet | 2,917 | 291 | JavaScript | 11 | Comet: agent skill harness for turning ideas into evaluated workflows | 2026-09-04 |
| 89 | dashi-taskboard | 2,903 | 412 | JavaScript | 13 | 现代化可灵活嵌入的任务面板，支持 Codex、DeepSeek Harness | 2026-09-03 |
| 90 | QuantHarness | 2,848 | 614 | HTML | 2 | Official Repository for QuantHarness | 2026-08-18 |
| 91 | teaql-agent-kit | 2,804 | 958 | Python | 1 | A model-mediated harness for reliable agentic software development. | 2026-09-03 |
| 92 | Qwen-MM-Plugins | 2,801 | 170 | HTML | 5 | Make any agent harness multimodal-native. | 2026-09-03 |
| 93 | erupt | 2,769 | 512 | Java | 0 | why write many code when few annotation do trick — annotation-driven Java framework, one class become full admin, now with built-in AI harness too | 2026-09-03 |
| 94 | N.E.K.O | 2,736 | 308 | Python | 52 | A catgirl who lives with you in real time — reaching out first, sharing your media, and actually getting things done, powered by an embodied emotional engine.🐱❤️一只会主动找你玩的 AI 猫娘。 | 2026-09-04 |
| 95 | visa-vulnerability-agentic-harness | 2,709 | 382 | Python | 0 | Visa Vulnerability Agentic Harness | 2026-08-04 |
| 96 | harness-engineering | 2,664 | 269 | Python | 1 | 🐎 Ryan Lopopolo’s anthology, field guide, and agent context bundle for harness engineering | 2026-07-18 |
| 97 | ORG2 | 2,649 | 125 | TypeScript | 67 | System of record for how agents build software: Built-in rust harness & 20+ CLIs. | 2026-09-04 |
| 98 | little-coder | 2,532 | 175 | TypeScript | 12 | A harness optimized to smaller LLMs | 2026-08-29 |
| 99 | CyberStrike | 2,490 | 377 | TypeScript | 29 | Open-source AI-powered offensive security harness for automated penetration testing. | 2026-09-03 |
| 100 | codex-with-chatgpt | 2,411 | 250 | TypeScript | 2 | ChatGPT thinks. Codex works. Use ChatGPT as the planning brain while keeping the Codex harness. | 2026-09-03 |