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Top 23 claude-ai Open-Source Projects
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The coding space is especially crowded: OpenCode, Droid, OpenHands, KiloCode, Crush, Aider, and Pi, to name a few. Autonomous agents like OpenClaw and Hermes are hugely popular and burn through tokens. Agent orchestrators like Paperclip and Conductor are a legitimate category now too, and we’ll likely see more vertical harnesses soon.
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Project mention: One Open Source Project a Day (No. 35): claude-code-best-practice - Moving from Vibe Coding to AI-Native Development | dev.to | 2026-04-09
🌟 GitHub: https://github.com/shanraisshan/claude-code-best-practice
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awesome-claude-code-subagents
A collection of 100+ specialized Claude Code subagents covering a wide range of development use cases
Project mention: Install Sub-agents, Skills, MCP Servers, Slash Commands and Prompts Across AI Tools with agent-add | dev.to | 2026-04-06npx -y agent-add \ --mcp '{"playwright":{"command":"npx","args":["-y","@playwright/mcp"]}}' \ --mcp 'https://github.com/modelcontextprotocol/servers.git#.mcp.json' \ --skill 'https://github.com/anthropics/skills.git#skills/pdf' \ --prompt $'# Code Review Rules\n\nAlways review for security issues first.' \ --command 'https://github.com/wshobson/commands.git#tools/security-scan.md' \ --sub-agent 'https://github.com/VoltAgent/awesome-claude-code-subagents.git#categories/01-core-development/backend-developer.md'
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Happy Coder
Mobile and Web client for Claude Code. Spawn and control multiple Claude Codes in parallel. Happy Coder runs on your hardware. Works seamlessly with your existing tools and workflow. Secure with end-to-end encryption. Hands-free control with voice agent - not just dictation.
Project mention: Happy — The Open-Source App That Puts Claude Code in Your Pocket | dev.to | 2026-04-15Code on GitHub. Live app at happy.engineering. More posts at radarlog.kr.
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opcode
A powerful GUI app and Toolkit for Claude Code - Create custom agents, manage interactive Claude Code sessions, run secure background agents, and more.
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claude-skills
345 Claude Code skills & agent skills & plugins (30+ Agents, 70+ custom commands, 330+ skills, customizable references, scripts)for Claude Code, Codex, Gemini CLI, Cursor, and 8 more coding agents — engineering, marketing, product, compliance, C-level advisory, research, business operations, commercial & finance, and your daily productivity skills.
Project mention: I Built a Dual-Pool Adversarial Review System for AI Agents — And It Actually Works | dev.to | 2026-06-27I tested this on my own PR to alirezarezvani/claude-skills (18.7K stars):
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Skill_Seekers
Convert documentation websites, GitHub repositories, and PDFs into Claude AI skills with automatic conflict detection
Project mention: Turn Docs, Code and PDFs into Claude AI Skills in Minutes | news.ycombinator.com | 2025-11-07 -
awesome-claude-skills
A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows — particularly Claude Code (by travisvn)
Project mention: How to Write Workflow Skills: Patterns and Best Practices Distilled from 7 Top Projects | dev.to | 2026-04-28[17] travisvn/awesome-claude-skills: https://github.com/travisvn/awesome-claude-skills
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claude-code-tips
40+ tips for getting the most out of Claude Code, from basics to advanced - includes a custom status line script and Claude Code running itself in a container. Also includes the dx plugin: skills for everyday dev workflows.
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claude-code-guide
Claude Code Guide - Setup, Commands, workflows, agents, skills & tips-n-tricks go from beginner to power user!
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claude-bug-bounty
AI-powered bug bounty hunting from your terminal - recon, 20 vuln classes, autonomous hunting, and report generation. All inside Claude Code.
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dbhub
Zero-dependency, token-efficient database MCP server for Postgres, MySQL, SQL Server, MariaDB, SQLite.
Project mention: dbhub VS onequery - a user suggested alternative | libhunt.com/r/dbhub | 2026-06-01 -
claude-code
Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands. (by codeaashu)
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my-claude-code-setup
Shared starter template configuration and CLAUDE.md memory bank system for Claude Code
Project mention: Shared starter template config and CLAUDE.md memory bank system for Claude Code | news.ycombinator.com | 2025-08-22 -
Project mention: Sharper context. Fewer tokens. Open-source middleware for Claude Code | news.ycombinator.com | 2026-06-10
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awesome-claude-plugins
A curated list of Plugins that let you extend Claude Code with custom commands, agents, hooks, and MCP servers through the plugin system.
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mcphub.nvim
An MCP client for Neovim that seamlessly integrates MCP servers into your editing workflow with an intuitive interface for managing, testing, and using MCP servers with your favorite chat plugins.
Project mention: Show HN: Playwright Skill for Claude Code – Less context than playwright-MCP | news.ycombinator.com | 2025-10-20 -
pilot-shell
How real engineers run Claude Code and Codex: spec-driven planning, enforced TDD, persistent memory, and quality enforcement on all levels. Make your agents production-ready.
Project mention: Pilot Shell: Spec-driven plans; enforced quality gates; persistent knowledge | news.ycombinator.com | 2026-07-03 -
Project mention: Show HN: Awesome-Claude / curate links related to Anthropic Claude | news.ycombinator.com | 2025-09-01
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claude-to-chatgpt
This project converts the API of Anthropic's Claude model to the OpenAI Chat API format.
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langchain
Elixir implementation of a LangChain style framework that lets Elixir projects integrate with and leverage LLMs. (by brainlid)
Where does this stand in relation to LangChain? https://github.com/brainlid/langchain
(Probably complimentary but wanted to check)
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
claude-ai discussion
claude-ai related posts
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Pilot Shell: Spec-driven plans; enforced quality gates; persistent knowledge
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Open Memory Protocol – One Memory Store for Claude, ChatGPT, Curso
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I Built a Dual-Pool Adversarial Review System for AI Agents — And It Actually Works
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Single-Modal LLMs Have a Blind Spot. Here's How to Fix It.
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Skill to Ensure Claude Code Uses No Em Dashes
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Sharper context. Fewer tokens. Open-source middleware for Claude Code
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A theoretical reconstruction of the Mythos architecture from first principles
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A note from our sponsor - SaaSHub
www.saashub.com | 11 Jul 2026
Index
What are some of the best open-source claude-ai projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | OpenHands | 80,388 |
| 2 | claude-code-best-practice | 62,266 |
| 3 | awesome-claude-code-subagents | 23,132 |
| 4 | Happy Coder | 22,392 |
| 5 | opcode | 22,159 |
| 6 | claude-skills | 21,882 |
| 7 | Skill_Seekers | 14,412 |
| 8 | awesome-claude-skills | 14,042 |
| 9 | claude-code-tips | 9,098 |
| 10 | fragments | 6,342 |
| 11 | awesome-claude-prompts | 5,305 |
| 12 | claude-code-guide | 4,387 |
| 13 | claude-bug-bounty | 3,861 |
| 14 | dbhub | 3,138 |
| 15 | claude-code | 2,637 |
| 16 | my-claude-code-setup | 2,471 |
| 17 | openwolf | 2,096 |
| 18 | awesome-claude-plugins | 1,818 |
| 19 | mcphub.nvim | 1,782 |
| 20 | pilot-shell | 1,782 |
| 21 | awesome-claude | 1,563 |
| 22 | claude-to-chatgpt | 1,302 |
| 23 | langchain | 1,178 |
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