Sandbox
2,846 repos for coding · Claude CodeClear

Free, open-source AI writing humanizer and detector. 55 patterns, 5 voices, a 0-100 AI-tell score, and nothing leaves your machine.

227
nostrband/
ServiceGraph

AI Agent skills to access structured datasets for startup founders

62
CosmoBlk/
email-marketing-bible

Email marketing skill for Claude Code. 55K words, 908 sources, 19 industry playbooks. Install the skill and Claude becomes your email marketing expert.

291
juyterman1000/
entroly

Cut AI context cost without trusting the compressor. Every reduction is reversible, byte-exact recoverable, and carries an auditable receipt. Local-first, works through proxy, MCP, SDK, or agent wrapper.

443
amebahead/
skills-cleaner

Track and analyze skill usage by AI agents, and clean up redundant or overlapping skills.

45
WecoAI/
awesome-autoresearch

Curated list of AutoResearch use cases with optimization traces and open source implementations

1k
getnao/
sylph
getnao/sylphHarnesses

The open-source company brain. Run your entire company with AI agents, skills, and a self-improving context.

196

Containment for AI agents - user isolation, sandboxed execution, network controls, backup/rollback. TLA+ verified.

173

All-in-One Desktop Agent Skills Utility. Welcome to the Skill Zoo, where all your skills live!

110
Berserk-hub150/
skillhawk

Catch dangerous AI agent skills before they catch you. Zero-dependency security scanner for Agent Skills, SKILL.md and MCP configs.

30
benjaminr/
chrome-devtools-mcp

An MCP Server for Chrome DevTools, following the Chrome DevTools Protocol. Integrates with Claude Desktop and Claude Code.

308
irinabuht12-oss/
email-campaigns-claude

Claude Code skill for HTML email campaigns with Resend. Pull the numbers from your ads via the free Ryze MCP: claude mcp add ryze --transport http https://connector.get-ryze.ai/mcp

156
linxule/
mcp-music-studio

Two-mode MCP music studio: scored composition (ABC notation) and live performance (Strudel). Interactive ext-apps UI with sheet music rendering, 30+ instruments, style presets, and live coding REPL.

70
h3nryprod01/
design-taste

Elite frontend design taste for Claude Code / Cowork — a merged synthesis of emilkowalski/skill, pbakaus/impeccable, and leonxlnx/taste-skill. Typography, color, motion, components, anti-slop.

50
taskade/mcpConnectors

🤖 Taskade MCP · Official MCP server and OpenAPI to MCP codegen. Build AI agent tools from any OpenAPI API and connect to Claude, Cursor, and more.

164

Free MCP servers + Claude Code Skills for MSP tools - PSA, RMM, backup, M365. Local-first: your data never leaves your network.

38

A market-driven Product Manager copilot (Agent Skills + Claude Code plugin) based on the Pragmatic Framework — guides PMs from idea to launch and produces a client-ready artifact (Markdown or .docx) at every stage.

32

A curated list on AI token economics: what tokens cost, where they get wasted, and how to cut the bill. Tools, benchmarks, papers, and copy-paste configs for the token economy of LLMs and coding agents.

172
motiful/
product-shots

Open-source Claude Code skills that turn one product photo into a full set of e-commerce visuals — main images, A+ detail pages, multi-angle shoots, social posts, and ad creatives. For cross-border sellers on Amazon, Shopify, TikTok Shop.

46