Top 23 claude Open-Source Projects

1. AutoGPT

   1 194 184,738 9.9 Python

   AutoGPT 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.

   

   Project mention: Agents 101: Reasoning, Actions & Autonomy | dev.to | 2026-05-11

   AutoGPT (agpt.co): Open-source autonomous agent framework, released in 2023. Pioneering example of general-purpose agent architecture; known for demonstrating both promise and limitations of autonomous systems.

2. SaaSHub

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   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. NextChat

   2 14 88,169 8.5 TypeScript

   ✨ Light and Fast AI Assistant. Support: Web | iOS | MacOS | Android | Linux | Windows

   

4. ui-ux-pro-max-skill

   3 3 87,871 8.9 Python

   An AI SKILL that provide design intelligence for building professional UI/UX multiple platforms

   

   Project mention: UI/UX Pro Max: Stop Your AI Making Everything Look the Same | dev.to | 2026-04-26

   UI/UX Pro Max is a skill that gives your agent actual design taste. 60,000+ stars. 50+ distinct UI styles, 97 colour palettes, 57 font pairings, 25 chart types, and design system generation. Install it and your agent stops defaulting to the same generic SaaS template.

5. LobeHub

   4 20 78,186 10.0 TypeScript

   The ultimate space for work and life — to find, build, and collaborate with agent teammates that grow with you.

   

   Project mention: Show HN: AI Roundtable – Let 200 models debate your question | news.ycombinator.com | 2026-03-24

   You can set this up yourself with API keys to the corresponding providers and creating an Agent Group in https://github.com/lobehub/lobehub. Agent groups allow you to easily create a room of agents and have them discuss any of your topics. Easily make agents with types and skills, it even assists in drafting starting prompts and even team members depending what your query (and selected model) is.

   You can self-host as well, but not via desktop app. Sever setup required.

   Be careful of your token context, you can easily rack up costs if you leave Opus selected as the model and get lost in some rabbit hole of results.

   Enjoy enjoy!

6. caveman

   5 22 68,367 5.2 JavaScript

   🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman

   

   Project mention: Stop Paying for Noise: Trim LLM Tokens from Both Ends of the Pipe | dev.to | 2026-05-27

   If RTK handles the flood of input tokens, caveman disciplines the output. It is a Claude Code skill that instructs the model to respond with minimal words. The caveman repository states it “cuts 65% of tokens by talking like caveman.”

7. oh-my-openagent

   6 15 60,999 10.0 TypeScript

   omo; the one and only agent harness for complex codebases. the pickaxe for complex software engineering. For your Codex, for your OpenCode

   

   Project mention: Agent-Model Matching Guide | news.ycombinator.com | 2026-06-02

8. Pake

   7 10 49,815 9.7 Rust

   🤱🏻 Turn any webpage into a desktop app with one command.

   

   Project mention: Pake: Webpage to desktop app in one command using rust | news.ycombinator.com | 2026-05-03

9. awesome-claude-code

   8 9 45,612 9.9 Python

   A curated list of awesome skills, hooks, slash-commands, agent orchestrators, applications, and plugins for Claude Code by Anthropic

   

   Project mention: Put your Coding Agents in Drive w/ Superpowers (aka How Superpowers is the Automatic Transmission of Agentic Coding) | dev.to | 2026-05-28

   The most downloaded and widely used methodology in the Claude Code ecosystem is Superpowers, with over 208k stars⭐️ and 18.5k forks🍴 on GitHub (and counting!)

10. CowAgent

    9 1 45,060 9.7 Python

    Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, autonomously grows with memory and knowledge. Multi-model, multi-channel. Lightweight, extensible, one-line install. (formerly chatgpt-on-wechat)

    

11. system_prompts_leaks

    10 9 41,269 9.3 JavaScript

    Extracted system prompts from Anthropic - Claude Code, Claude Design, Opus 4.8, Sonnet 4.6. OpenAI - ChatGPT 5.5 Thinking, GPT 5.5 Instant, Codex, Google - Gemini - 3.5 Flash, 3.1 Pro, Antigravity, xAI - Grok, Cursor, Copilot, VS Code, Perplexity, and more. Updated regularly.

    

    Project mention: System_prompts_leaks: Anthropic/Claude-Opus-4.6.md | news.ycombinator.com | 2026-04-06

12. chatbox

    11 37 40,313 9.6 TypeScript

    Powerful AI Client

    

    Project mention: Open source project chatbox is under attack | news.ycombinator.com | 2026-01-07

13. LibreChat

    12 37 38,208 9.9 TypeScript

    Enhanced ChatGPT Clone: Features Agents, MCP, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active.

    

    Project mention: I Built Two Ollama Tools I Don't Actually Need Yet | dev.to | 2026-04-23

    Several services share the same Ollama instance on a dedicated host that homelab-agent is provisioning: LibreChat for interactive chat, a SearXNG MCP server for ML-reranked search, and three background embedding jobs — graphiti, jobsearch-mcp, and memsearch-watch.

14. new-api

    13 1 37,036 9.9 Go

    A unified AI model hub for aggregation & distribution. It supports cross-converting various LLMs into OpenAI-compatible, Claude-compatible, or Gemini-compatible formats. A centralized gateway for personal and enterprise model management. 🍥

    

    Project mention: Claude Code is locking people out for hours | news.ycombinator.com | 2026-04-07

    Apart from local AI, a serious choice is aggregated API such as new-api [0]. An API provider aggregated thousands of accounts has much better stability than a single account. It's also cheaper than the official API because of how the subscription model works, see e.g. the analysis [1].

    [0] https://github.com/QuantumNous/new-api

    [1] https://she-llac.com/claude-limits

15. agents

    14 4 36,406 9.6 Python

    Multi-harness agentic plugin marketplace for Claude Code, Codex CLI, Cursor, OpenCode, and Gemini CLI

    

    Project mention: Repository Transformation: From Chaos to Professional Prompt Engineering Toolkit | dev.to | 2026-03-25

    Prominently featured 74 professional AI agent configurations adapted from wshobson/agents:

16. oh-my-claudecode

    15 2 35,704 10.0 TypeScript

    Teams-first Multi-agent orchestration for Claude Code

    

    Project mention: Your AI agent works alone. No plan, no tests, no review. 118,000 developers found a fix. | dev.to | 2026-03-29

    oh-my-claudecode (13,996 stars) takes the team approach. Its Team mode runs a staged pipeline: team-plan, team-prd, team-exec, team-verify, team-fix. Since v4.4.0, it can run Claude, Codex, and Gemini at the same time using tmux workers. You can send code reviews to Codex, UI tasks to Gemini, and integration work to Claude in one command:

17. one-api

    16 2 34,621 6.9 JavaScript

    LLM API 管理 & 分发系统，支持 OpenAI、Azure、Anthropic Claude、Google Gemini、DeepSeek、字节豆包、ChatGLM、文心一言、讯飞星火、通义千问、360 智脑、腾讯混元等主流模型，统一 API 适配，可用于 key 管理与二次分发。单可执行文件，提供 Docker 镜像，一键部署，开箱即用。LLM API management & key redistribution system, unifying multiple providers under a single API. Single binary, Docker-ready, with an English UI.

    

    Project mention: DeepSeek V4-Pro Just Got 4x Cheaper. But Here's What Nobody's Talking About | dev.to | 2026-05-23

    You can set this up with One-API (open source, Docker-friendly):

18. obsidian-skills

    17 3 34,308 7.5

    Agent skills for Obsidian. Teach your agent to use Markdown, Bases, JSON Canvas, and use the CLI.

    

    Project mention: JSON Canvas Spec | news.ycombinator.com | 2026-04-02

    I am not sure why this popped up today, but it's nice to see it on HN again! A brief timeline with some links to past discussions:

    - 2022: The .canvas open format was created for Obsidian Canvas [0].

    - 2024: Official 1.0 spec of JSON Canvas [1].

    - 2024-2025 A number of apps/libraries have built up around the format for storage and import/export [2].

    - 2026: Obsidian Skills [3] includes support for .canvas (along with .md and .base) to make it easy for LLMs to read/write JSON Canvas, and opens interesting visualization/interaction patterns with agents.

    [0]: https://news.ycombinator.com/item?id=34066824

    [1]: https://news.ycombinator.com/item?id=39670922

    [2]: https://jsoncanvas.org/docs/apps/

    [3]: https://github.com/kepano/obsidian-skills

19. marketingskills

    18 2 32,051 9.5 JavaScript

    Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.

    

    Project mention: Claude Code Skills for Marketing | news.ycombinator.com | 2026-01-27

20. FastGPT

    19 3 28,275 9.8 TypeScript

    FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of out-of-the-box capabilities such as data processing, RAG retrieval, and visual AI workflow orchestration, letting you easily develop and deploy complex question-answering systems without the need for extensive setup or configuration.

    

21. claude-code-templates

    20 4 27,792 9.9 Python

    CLI tool for configuring and monitoring Claude Code

    

    Project mention: Claude Code Templates | news.ycombinator.com | 2026-02-22

22. last30days-skill

    21 2 27,236 9.6 Python

    AI agent skill that researches any topic across Reddit, X, YouTube, HN, Polymarket, and the web - then synthesizes a grounded summary

    

    Project mention: Is anyone actually using OpenClaw? | news.ycombinator.com | 2026-04-15

    I got it a dedicated email account (via agentmail.to). Installed couple of skills, last30days and context-mode being the most useful so far (https://github.com/mvanhorn/last30days-skill and https://github.com/mksglu/context-mode).

    The biggest unlock was wiring it up to my agency's whatsapp group - it's now basically a multiplayer chatgpt.

23. repomix

    22 50 25,919 9.9 TypeScript

    📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

    

    Project mention: 15 AI Coding Hacks Nobody Talks About (2026) | dev.to | 2026-05-28

    Most people paste files one at a time. Install Repomix and feed your entire project to the AI in one command.

24. taste-skill

    23 2 25,066 - Shell

    Taste-Skill - gives your AI good taste. stops the AI from generating boring, generic slop

    

    Project mention: Taste-Skill: The Anti-Slop Framework That Gives Your AI 28.5K⭐ Worth of Taste | dev.to | 2026-05-30

    npx skills add https://github.com/Leonxlnx/taste-skill

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