Sandbox
337 repos for design · Claude CodeClear
zenstory-ai/
novel-to-game

Agent Skills that turn novels into source-grounded, fully playable games for Claude Code, Codex, and Kimi Code(K3).

774
product-on-purpose/
pm-skills

68 plug-and-play, best-practice product management skills for AI agents: 30 Triple Diamond phase + 11 foundation + 12 utility + 15 tool (Foundation Sprint + Design Sprint). Plus 6 sub-agents, workflows, 200+ output samples, guides, and CI-enforced contracts. Apache 2.0.

658
paiml/
paiml-mcp-agent-toolkit

Pragmatic AI Labs MCP Agent Toolkit - An MCP Server designed to make code with agents more deterministic

164
sudokar/
openspec-plus

OpenSpec Plus — Agentic skills that enhance OpenSpec's Spec-Driven Development through better discovery, requirements, design decisions, execution planning and execution. Works with Claude Code, OpenCode, Github Copilot and any other AI coding agents

180
greyhaven-ai/
autocontext

a recursive self-improving harness designed to help your agents (and future iterations of those agents) succeed on any task

1.3k
Hainrixz/
the-architect

A Claude Code plugin that interviews you, designs the whole architecture, and writes a self-contained blueprint another Claude Code instance builds from with zero context — EARS acceptance criteria and a runnable verify command on every build step. 14 project shapes, greenfield and brownfield. EN/ES.

493
hieuphung97/
dely

Multi-harness control protocol that turns requests into approved design contracts, orchestrating isolated worker sessions for sequential implementation and independent code reviews under Orca supervision for Claude Code, Codex, Cursor, Antigravity, and other AI coding agents.

56
matlab/
simulink-agentic-toolkit

The Simulink Agentic Toolkit gives your AI agent both the tools and the expertise to work effectively with Simulink and Model-Based Design.

1.1k
fcakyon/
phd-skills

PhD Research Skills for Claude Code: paper reproduction, experiment design, paper review, result comparison and more.

388
forloopcodes/
contextplus

Semantic Intelligence for Large-Scale Engineering. Context+ is an MCP server designed for developers who demand 99% accuracy. By combining RAG, Tree-sitter AST, Spectral Clustering, and Obsidian-style linking, Context+ turns a massive codebase into a searchable, hierarchical feature graph.

2k

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-agent projects and tasks, and editable code, documents, presentations, design, and video.

5.7k

A platform designed for building enterprise-grade, multi-tenant products using Azure, .NET, React, TypeScript, Infrastructure as Code, etc.

441
arpitg1304/
robotics-agent-skills

Agent skills that make AI coding assistants write production-grade robotics software. ROS1, ROS2, design patterns, SOLID principles, and testing — for Claude Code, Cursor, Copilot, and any SKILL.md-compatible agent.

356
Taoidle/
plan-cascade

AI-powered cascading development framework. Decompose complex projects into parallel executable tasks with auto-generated PRDs, design docs, and multi-agent collaboration (Claude Code, Codex, Aider).

140
iliaal/
whetstone

AI-powered development tools. 19 agents, 22 commands, 32 skills, 1 hook, 1 MCP server for code review, research, design, and workflow automation.

33

Open-source Claude Code skills and Codex skills for AI-first work. Audit, re-engineer, and bootstrap projects with AI-first design principles.

99
gongnyang/
deck-factory

One line of intent → a presentation-grade, dark-editorial HTML deck. A Claude Code skill.

75
nyldn/
claude-octopus

Run multiple AI models against the same research, design, or coding task. Surface disagreements before you ship.

4.1k
rohanmistry231/
Claude-OS

A concise Claude reference bundle for developers, covering commands, MCP servers, plugins, tools, workflows, and agent frameworks in one place. Designed for fast discovery and practical integration.

123
CircleCI-Public/
mcp-server-circleci

A specialized server implementation for the Model Context Protocol (MCP) designed to integrate with CircleCI's development workflow. This project serves as a bridge between CircleCI's infrastructure and the Model Context Protocol, enabling enhanced AI-powered development experiences.

92

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

86k
growthxai/outputFrameworks & SDKs

The open-source TypeScript framework for building AI workflows and agents. Designed for Claude Code describe what you want, Claude builds it, with all the best practices already in place.

435
mdrbx/
nerv-ui
mdrbx/nerv-uiFrameworks & SDKs

Typed React command-center components, live examples, and a portable coding-agent skill.

87