Sandbox
16 repos for design · Harnesses · Claude CodeClear
DY-2026/
GameDesignOS

Local-first game design OS for AI agents: turn sessions into evidence, experiments, reviewable decisions, and durable project memory—Human Gates and rollback.

385

Headless product design for AI coding agents, backed by a transactional product graph | Design how it works, verify what you ship.

114
hassancs91/
claude-faceless-shorts-creator

A faceless YouTube-Shorts factory driven by Claude Code: pure-TSX Remotion visuals, ElevenLabs voice with word-exact captions, library-first sound design. 12 complete example shorts included.

230

Comprehensive sets of standards and practices designed to elevate the capabilities of AI coding agents.

156
KhazP/
vibe-coding-prompt-template

Templates and workflow for generating PRDs, Tech Designs, and MVP and more using LLMs for AI IDEs

3.1k
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
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
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
TheAstrelo/
Claude-Pipeline

Tool-agnostic 13-phase AI development pipeline — turns a task description into reviewed, committed code through automated design, adversarial review, security, test, and code-review gates. One bash engine, balanced Opus/Sonnet routing, self-healing commit review.

45

Practical patterns, starters & CLI tools for loop engineering with AI coding agents. Design systems that prompt and orchestrate agents (inspired by Addy Osmani and Boris Cherny). Includes loop-audit, loop-init, loop-cost.

11k
huytieu/
COG-second-brain

Self-evolving second brain with 33 AI skills, 10 agents, and people CRM. Closed-loop harness: a V-model verification lifecycle where the worker never grades its own homework. Plus paired anti-slop design skills for marketing and product UI. Works with Claude Code, Cursor, Kiro, Gemini CLI, Codex.

1.2k
molefrog/moiHarnesses

💾 MOI: agent-agnostic generative UI workspace. Give your agent a skill and let it build software around itself.

158
Utopai-Research/
pai-pro

Local AI filmmaking studio — skills, canvas, timeline — driven from your coding agent.

340

Co-creation infrastructure for humans and code agents — visual environment, skills, continuous learning, and distribution.

160
Hainrixz/
claude-banana

AI agent that turns your rough ideas into perfect image generation prompts. 7-component formula, 70+ creative techniques, 9 domain modes.

96