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A curated collection of agent skills for real engineering work — not vibe coding. Fixes the 4 biggest AI coding failure modes: misalignment (/grill-me), verbosity (shared language), broken code (/tdd), and architecture rot (/improve-codebase-architecture). Small, composable, model-agnostic, and battle-tested from decades of engineering experience.

Shell
253.2k

A harness-native agent operating system for AI coding tools. 67+ specialized agents, 279+ skills, automated hooks, continuous learning, and security scanning (AgentShield) — production-ready workflows across Claude Code, Codex, Cursor, OpenCode, Gemini, and more.

JavaScript
250.2k
DietrichGebert/ponytail

Ponytail is a lightweight plugin and ruleset for 20+ AI agents (Claude Code, Cursor, Copilot, etc.) that prevents code over-engineering. By guiding AI to prioritize native APIs and standard libraries, it significantly cuts generated code size, token cost, and latency without compromising safety.

JavaScript
128.3k

A self-improving AI agent by Nous Research with a built-in learning loop — it creates skills from experience, autonomously improves them during use, and deepens a user model across sessions. Connect via CLI, Telegram, Discord, Slack, WhatsApp, or Signal. Supports 300+ models (OpenAI, Anthropic, Gemini, etc.), 40+ tools, cron scheduling, subagent delegation, and runs anywhere from a $5 VPS to serverless GPU clusters.

Python
242.1k

A fast and safe C++ formatting library providing an alternative to C stdio and iostreams. It features Python-like syntax, compile-time string checking, high performance, and forms the basis of C++20's std::format.

C++
25.6k

A collection of official Agent Skills for Claude, demonstrating how to extend Claude's capabilities with reusable instructions, scripts, and resources. Includes examples for creative design, development, enterprise workflows, and document creation (PDF, DOCX, PPTX, XLSX), along with templates and the Agent Skills specification.

Python
174.7k

An AI agent skill for Claude Code, Codex, Pi, and other platforms that generates publication-ready diagrams across 39 visual types (architecture, sequence, flowcharts, Sankey). Produces self-contained, dependency-free HTML and SVG output, automatically matches brand styles from a URL, and imports/redraws draw.io and Mermaid diagrams for tech docs, slides, and blogs.

HTML
31.9k
anomalyco/opencode

OpenCode is an open-source AI coding agent available as a Terminal UI (TUI) and desktop app. Featuring built-in 'build' and 'plan' agent modes, it helps developers automate code generation, refactoring, debugging, and codebase exploration.

TypeScript
204.8k
ruvnet/ruflo

Ruflo is a multi-agent AI orchestration platform for Claude Code, providing 100+ specialized agents, swarm coordination, self-learning memory (AgentDB + HNSW), zero-trust agent federation across machines, and MCP integration. Supports Claude, GPT, Gemini, Ollama with 32 plugins for coding, testing, security, and autonomous workflows.

TypeScript
70.8k

Top Repositories

The most popular repositories on GitHub.

1

A curated collection of step-by-step guides to rebuild your favorite technologies from scratch — databases, operating systems, compilers, neural networks, game engines, Docker, Git, blockchain, and more. Master programming through hands-on creation across 30+ domains with tutorials in C, Python, Rust, Go, JavaScript, and many other languages.

2

A curated list of awesome lists covering all kinds of interesting topics. This meta-list serves as the central directory for discovering high-quality resources on programming languages, frameworks, tools, and various technology domains.

3

A collectively curated list of free public APIs for software and web development. This extensive repository contains thousands of APIs across 100+ categories including animals, finance, health, music, news, science, sports, weather, and more. Maintained by the community and APILayer team.

4

The world's largest free coding education platform. Offers a self-paced full-stack web development and machine learning curriculum with interactive coding challenges, certifications across responsive web design, JavaScript, Python, databases, and APIs, plus developer language certifications. Built on React, Fastify, and Gatsby, with a vibrant open-source community that has helped over 100,000 people land their first developer job.

5

A collaborative, multilingual collection of freely available programming books, courses, podcasts, and interactive tutorials. Maintained by the Free Ebook Foundation, it indexes thousands of learning resources across numerous programming languages and computer science topics.

6

OpenClaw is a self-hosted personal AI assistant that connects to WhatsApp, Telegram, Discord, iMessage and 20+ channels. Features voice wake, live canvas, browser automation, and runs on any OS with local-first privacy.

7

A comprehensive, open-source guide to mastering large-scale system design. Covers scalability, CAP theorem, databases, caching, load balancing, and more, with real-world architectures, interview questions with solutions, and Anki flashcards for effective spaced-repetition learning.

8

Community-driven interactive roadmaps, guides, and resources for developers. Covers frontend, backend, DevOps, AI, and more with clickable nodes for detailed learning paths and best practices.

9

A comprehensive multi-month self-study plan for software engineering interviews at top tech companies. Covers data structures, algorithms, Big-O, graphs, dynamic programming, system design, and more, with curated video courses, book recommendations, coding practice platforms, and flashcard strategies.

10

A curated list of awesome Python frameworks, libraries, software and resources. Covers web frameworks, data analysis, machine learning, testing, and more.