Sandbox
592 repos for engineeringClear
MRCalderon3D/
everything-game-dev-code

A universal scaffold for AI-assisted game development. 42 agents, 51 commands, 86 skills. Multi-engine (Unity, Unreal, Godot, HTML). Multi-harness (Claude Code, Codex, Cursor, OpenCode, Kiro).

83
ModelEngine-Group/
nexent

Nexent is a zero-code platform for auto-generating production-grade AI agents using Harness Engineering principles — unified tools, skills, memory, and orchestration with built-in constraints, feedback loops, and control planes.

5.9k
w95/
awesome-claude-corporate-skills

166 production-ready Claude AI skills organized by corporate role — executive leadership, finance, HR, marketing, sales, legal, operations, engineering, product, data, customer success, procurement & document processing

195
crabbuild/
compass

Native, local-first knowledge graph engine for code and project artifacts—inspired by Graphify, built in Rust, and evolving beyond it.

154
EvoMap/
evolver

The GEP-powered self-evolving engine for AI agents. Auditable evolution with Genes, Capsules, and Events. | evomap.ai

9.1k

The harness layer for Claude Code — a reference implementation of harness engineering with hook-enforced dual review, state-machine gates that survive context compaction, and fail-closed safety where it counts. Quality gates that AI can't skip.

188
Coding-Solo/
godot-mcp

MCP server for interfacing with Godot game engine. Provides tools for launching the editor, running projects, and capturing debug output.

5.6k
winyunq/
UnrealMotionGraphicsMCP

🚀 UE5-UMG-MCP: A deep-focused MCP for Unreal Engine UMG layout. Designed to maximize AI efficiency within limited context windows by prioritizing precision in UI structure, animations, and blueprint integration.

197

Godot-MCP — Model Context Protocol (MCP) integration for the Godot Engine. AI tools for the Godot Editor in C#, with cloud connection to ai-game.dev. Apache-2.0.

240
OdradekAI/
bundles-forge

An agentic skills framework & bundle-plugin engineering toolkit that works.

230
wigtn/
wigtn-plugins

Claude Code Plugins for AI Native-based Engineer

45
hoangnb24/
repository-harness

Turn any repo into an agent-ready workspace for Claude Code, Codex, Cursor, and other coding agents.

1.2k
wquguru/
skills

Practical Agent Skills — English-for-engineers coaching, Pi Agent setup, and more. Install via npx skills add.

88

A super light-weight embedded code search engine CLI (AST based) that just works - improves speed and efficiency for coding agent 🌟 Star if you like it!

2.7k
ClueoFoundation/
ClueoMCP

🎭 The Personality Layer for LLMs- Transform any MCP-compatible AI with rich, consistent personalities powered by Clueo's Big Five personality engine.

75
HaD0Yun/
Doyunha-Gopeak

GoPeak — The most comprehensive MCP server for Godot Engine. 95+ tools: scene management, GDScript LSP, DAP debugger, screenshot capture, input injection, ClassDB introspection, CC0 asset library. npx gopeak

250
osovv/
grace-marketplace

GRACE (Graph-RAG Anchored Code Engineering): open Agent Skills for contract-driven AI code generation with semantic markup, knowledge graphs, and support for Claude Code, Codex CLI, and Kilo Code.

240

World-class creative director in a skill. Methodology-driven ideation (SIT, TRIZ, Lateral Thinking, bisociation) + a Cannes Lions evaluation engine, powered by a library of 571 legendary award-winning cases.

194
TheQtCompanyRnD/
agent-skills

Official Qt AI engineering skills for Claude Code, Codex, Copilot, Gemini,and other AI coding tools

418
striderZA/
OpenCodeGameStudios

Agentic game development taken to the next level: plan, build and test across major engines with any coding agent🤖

85
alti3/
stk-mcp
alti3/stk-mcpConnectors

An MCP server allowing LLMs to interact with Ansys/AGI STK - Digital Mission Engineering Software

42