Sandbox
162 repos for building · CodexClear

Streaming music player that finds free music for you

18k
NicholasSpisak/
second-brain

LLM-maintained personal knowledge base for Obsidian. Based on Andrej Karpathy's LLM Wiki pattern.

709
NPC-Worldwide/npcpyFrameworks & SDKs

The python library for research and development in NLP, multimodal LLMs, Agents, ML, Knowledge Graphs, and more.

1.5k
impactjo/
home-memory

MCP server that lets your AI assistant remember everything about your home.

76
manusco/
resonance

Operator-grade AI agent skills for Claude Code, Cursor, Codex, and opencode.

37
htdt/godogenHarnesses

Autonomous game development for Godot, Bevy, and Babylon.js with Claude Code and Codex

6.8k

A Model Context Protocol (MCP) server and CLI that provides tools for agent use when working on iOS and macOS projects.

6.4k
seuros/
action_mcp
seuros/action_mcpFrameworks & SDKs

Rails Engine with MCP compliant Spec.

120
madarco/
agentbox

Run multiple agents in parallel sandboxed VMs, with a single command, on your PC or in the cloud

390
appautomaton/
presentation

A business question goes in. A consulting-grade deck comes out. Four composable skills for Claude Code and Codex: strategy storyboarding, brand identity, pixel-perfect PDF, native editable PPTX.

57
sametbrr/
llm-wiki-manager

Skill for a persistent LLM-managed wiki — the LLM writes and cross-references while you curate sources.

69
tripleyak/
SkillForge

A skill creator that proves its skills work. Evidence-driven skill creation for Claude Code and Codex: baseline-tested generation, per-skill regression evals, ecosystem doctor, cross-runtime compile, and an opt-in proactive advisor.

890
moonlight-lupin/
agent-skills

A collection of AI agent skills for Hermes Agent — research, creative, productivity, devops, and more. Each skill is self-contained and tested.

62
danielvm-git/
bigpowers

Agent skills synthesizing years of software engineering discipline into a prescriptive methodology for solo developers

180
masteranime/
n8n-claude-skills

Production Claude Code skills for n8n from a Verified Creator's 100+ workflows

32
wquguru/
harness-books
wquguru/harness-booksTutorials & Guides

📚 Two books on harness engineering — the design philosophies behind Claude Code & Codex: constraints, query loops, context governance, multi-agent verification. harness-books.agentway.dev

3.1k

Open-source 3D architectural editor with a local CLI, MCP tools, and practical workflows for humans and AI agents.

23k

Open-source AI front-office factory for agencies serving local businesses: website, booking, intake, CRM, and agents in one workspace. Self-hostable.

46