Claude Code Open Source Tools
Discover 44 open source Claude Code repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Claude Code projects here are most often combined with AI Agents, Developer Tools and Agent Skills. Last updated October 4, 2026.
44 repositories · updated October 4, 2026
agency-agents: Install Role-Specific AI Agent Instructions
A large collection of specialized AI agent instruction files, organized by professional role and supported by scripts for installing them into compatible coding tools. Useful when you want reusable role-specific workflows rather than a single general-purpose prompt.
get-shit-done: Structure Claude Code Work with Prompts and Specs
get-shit-done was a lightweight system for meta-prompting, context engineering, and spec-driven development with Claude Code. This repository is archived; development has moved to GSD Core in the Open GSD repository.
claude-code-best-practice: Learn Claude Code Workflows and Practices
A community-maintained guide to Claude Code practices, configuration, agents, skills, and development workflows. It helps developers move from ad hoc prompting toward repeatable, agentic engineering, with examples and links to further resources.
claude-plugins-official: Discover Plugins for Claude Code
An Anthropic-managed directory of internal and community plugins for Claude Code. Browse and install plugins through the built-in plugin system, or use the directory as a reference when evaluating plugin structure and marketplace submissions.
codex-plugin-cc: Use Codex from Claude Code
A Claude Code plugin that connects your existing local Codex CLI for code reviews and delegated tasks. It suits developers who want Codex in their current workflow, with background job controls and session handoff.
andrej-karpathy-skills: Guide Claude Code Toward Safer Changes
A compact set of coding guidelines for Claude Code, based on Andrej Karpathy’s observations about common LLM coding mistakes. It encourages clarification, simpler implementations, focused edits, and verifiable goals.
Anthropic-Cybersecurity-Skills: Give AI Agents Security Playbooks
A library of structured cybersecurity workflows for AI agents, covering 34 security domains and mapped to six industry frameworks. Use it to provide compatible agents with practical guidance for authorized security work.
oh-my-claudecode: Orchestrate Claude Code Agents
oh-my-claudecode adds multi-agent orchestration to Claude Code, coordinating parallel work and verification through in-session skills or terminal-launched workers. It suits developers who want structured delegation and can manage the extra setup and provider requirements.
claude-mem: Preserve Agent Context Across Sessions
Claude-Mem captures and summarizes agent activity, then retrieves relevant project history in later sessions. It is for developers who want coding agents to retain useful context instead of starting from scratch each time.
open-carrusel: Design Instagram Carousels with Claude
Open Carrusel is a local-first web app for creating Instagram carousel slides through conversations with Claude Code. Preview, reorder, and export slides as PNGs sized for Instagram.
claude-for-legal: Legal Workflow Plugins and Agents
Anthropic’s claude-for-legal provides Claude plugins, skills, and managed-agent cookbooks for legal teams, clinics, and students. It supports workflows from contract review and privacy assessments to litigation and study, with attorney review required for legal outputs.
claude-code-webui: Use Claude Code in a Web Chat Interface
Claude Code Web UI turns the Claude CLI into a browser-based chat interface with streaming responses, project selection, and conversation history. It is archived and no longer actively maintained, so treat it as a reference or fork it before relying on it.