Sandbox
614 repos for xClear

Agent Skills marketplace: framework-aware skills for code review, documentation, test-plan generation, AI-writing detection, architectural analysis, and git workflows — for Python, Go, Rust, Elixir, React, Remix, and iOS/Swift. Works with Claude Code, Codex, and any agent that supports Agent Skills.

80
MorDavid/
ExternalAttacker-MCP

A modular external attack surface mapping tool integrating tools for automated reconnaissance and bug bounty workflows.

78

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
kadykov/
mcp-openapi-schema-explorer

MCP server providing token-efficient access to OpenAPI/Swagger specs via MCP Resource Templates for client-side exploration.

76

Atari Lynx emulator, debugger, and embedded MCP server for macOS, Windows, Linux, BSD and RetroArch.

74
gradion-ai/
ipybox

Unified execution environment for Python code, shell commands, and programmatic MCP tool calls.

73
Sendmux/
sendmux-sdk

Official monorepo of SDKs, CLI, and MCP servers for Sendmux email APIs across TypeScript, Python, Go, PHP, Rust, and Ruby.

73
nikkoxgonzales/
crash-mcp

MCP server for structured and efficient reasoning with step validation, branching, and revisions.

72
JasonxzWen/
harness-hub

Repository-first deterministic migration and atomic Skill source for Claude Code and Codex.

72
cdeust/
Cortex
cdeust/CortexConnectors

Cross-platform persistent memory MCP for Codex, Gemini CLI, Claude Code, and other local MCP hosts. 36 cited neuroscience mechanisms, local-first SQLite/PostgreSQL, hybrid retrieval, decay-based consolidation, and reproducible benchmarks. Claude adds optional automatic lifecycle hooks.

72
bahdotsh/
indxr

A fast codebase indexer and knowledge wiki for AI agents.

72
smadi0x86/
MDB-MCP

Multi Debugger MCP server that enables LLMs to interact with GDB and LLDB for binary debugging and analysis.

71
JingxuanC/
causal-memory

Causal memory layer for AI agents — MCP server that records decision→outcome relationships. Survives compaction.

71
framix-team/
skill-email-html-mjml

Claude Code skill — generate cross-client HTML email with MJML. Outlook-safe, Gmail-optimized, WCAG 2.1 AA accessible.

70
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
freema/
mcp-design-system-extractor

MCP (Model Context Protocol) server that enables AI assistants to interact with Storybook design systems. Extract component HTML, analyze styles, and help with design system adoption and refactoring.

69
i-dot-ai/
lex
i-dot-ai/lexConnectors

UK legal API for AI agents and researchers.

69
ChmaraX/
ai-agent-automations

A curated collection of ready-to-run automation prompts for real-world workflows.

69
Hainrixz/
skill-vault

Your personal skill library for Claude Code. Organize, analyze, and search skills with built-in security analysis. Zero dependencies — clone and go.

67

127 portable ecommerce skills for marketplace research, product discovery, keyword analysis, trends, sourcing, patent screening, multimodal tasks, and GEO workflows.

67