Sandbox
380 repos for writing · Claude CodeClear

Zero-config React with built-in SSR, automated quality gates, and AI-ready project structure - ship clean code whether you write it yourself or with an AI assistant.

1.1k
color4-alt/
CiteCheck

Agent Skill: Check academic paper citations for format, queryability, thematic relevance, and semantic accuracy.

59
Orkas-AI/
Orkas-VideoStudio

Turn your coding agent into a video studio: describe a video in plain language, and your agent writes the timeline and produces the file.

486
markifact/
markifact-mcp

MCP server for Google Ads, Meta Ads, GA4, TikTok Ads, and LinkedIn Ads. Manage 300+ ad operations from Claude, ChatGPT, Gemini, Cursor, or any AI client. Human-in-the-loop on every write.

48
AvdLee/
Swift-Testing-Agent-Skill

An agent skill focused entirely on Swift Testing, helping you write better tests, migrate from XCTest, improve test architecture, and adopt modern Swift testing patterns with confidence.

447
Tasihi89/
build-to-learn

A Claude Code skill where learning is the goal and building is the test — AI writes the code, you build the mental model.

74
azalio/
map-framework

Plan-then-build AI coding for Claude Code & Codex CLI — you approve the plan before the model writes a line of code. SPEC → PLAN → TEST → CODE → REVIEW → LEARN

156

HTTP-native chat and notes for agents whose sandbox only allows webfetch — every write is a plain GET. Runs technocore.chat.

149
balabalabalading/
huuuuuuho-skills

My personal collection of Skills — open-source tools that extend Agent's capabilities for content creation, development logging, and productivity workflows.

117
raullenchai/
vnsh

One workspace all your AI agents can read and write. Encrypted client-side, model-agnostic, gone 24h after the last edit.

156

Harness engineering applied to knowledge production: a self-evolving multi-agent newsroom that turns your documents into a cross-linked markdown wiki. A "reground" loop pulls published pages back in before they go stale — writer ≠ reviewer, local-first, a structured alternative to RAG.

85

mentor — a session-insights skill for AI coding agents. This skill reads your local Claude Code and OpenAI Codex history and writes an /insights-style HTML report on how you work: what you build, where you lose time, and concrete fixes. An agent skill for Claude Code, Codex, and any skills-capable agent.

78
leonardomso/
rust-skills

A collection of 265 rules across 26 categories that AI coding agents can use to write idiomatic, fast, and safe Rust.

501
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
appautomaton/
latex-arxiv-SKILL

A highly customizable agentic harness for arXiv-ready ML/AI review papers (and beyond). It drives agentic AI like Codex CLI and Claude Code through a gated LaTeX workflow with verified BibTeX citations.

427

Self-hosted AI agent harness in a single Go binary — writes, sandbox-tests and repairs its own tools, and lets Claude Code, Codex and any MCP client build and share them.

508
summerliuuu/
no-no-debug

No-No Debug — Self-evolution system for AI coding assistants. 10 minutes writing code, 2 hours debugging? This skill makes your AI remember all its bugs.

153
haabe/
mycelium

AI made building cheap. It didn't make deciding cheap. Mycelium is a Claude Code harness that makes your agent run discovery and weigh evidence before it writes code. It earns the right to start. Built for software, courses, AI tools, and services.

45

Write-time code quality enforcement system for Claude Code. Every file edit triggers automated formatting and linting through fast Rust-based linters and dedicated Claude instances that intelligently fix remaining violations

365
agent-sh/
agentsys

AI writes code. This automates everything else · 24 plugins · 49 agents · 44 skills · for Claude Code, OpenCode, Codex, Cursor, Kiro.

984
LOGIN-TB/
claude-skills

Agent Skills von LOGIN zur freien Nutzung - SKILL.md-Format fuer Claude Code, Claude-App und API

69

MCP server for Help Scout - search conversations, customers, organizations, reports, and Docs with AI agents, plus opt-in writes for drafting replies and triage

47

A skill library that teaches Claude Opus the working disciplines of Claude Fable 5. Move the checkpoints, not the capacity.

30
XuanRanL/
loamwright-SEO-Skill

Production-grade SEO + GEO content factory for Claude Code — research, write, fact-check, optimize, publish to WordPress, monitor. Battle-tested by Loamwright 沃匠 SEO agency.

49