Open Source

Cindy

An open-source, out-of-the-box AI agent that gets things done.

claude-seo

A universal SEO skill for Claude Code with 26 sub-skills and 19 sub-agents.

thinkrail

A lightweight real IDE from JetBrains that customizes itself around your workflow for vibe coding.

TradingAgents

A multi-agent LLM financial trading framework written in Python.

microduck

An open-source tiny biped duck robot running reinforcement-learning policies on fifteen servos.

google-gemini/gemini-cli

An open-source AI agent that brings Gemini directly into your terminal.

pbakaus/impeccable

A design language that makes your AI harness better at design.

luongnv89/claude-howto

A visual, example-driven guide to Claude Code with copy-paste templates for immediate value.

Nutlope/hallmark

An anti-AI-slop design skill for Claude Code, Cursor, and Codex.

aws/agent-toolkit-for-aws

Official AWS-supported MCP servers, skills, and plugins for AI agents building on AWS.

NVIDIA/OpenShell

A safe, private runtime for autonomous AI agents.

cloudflare/security-audit-skill

A coding-agent skill that turns agents into multi-phase security auditors with verified machine-readable findings.

VoxCPM

Tokenizer-free TTS for multilingual speech generation and voice cloning.

Claude-Red

Curated offensive security skills library for the Claude skills system.

knowledge-work-plugins

Open source plugin collection for knowledge workers to use in Claude Cowork.

graphify

Turns codebases, docs, and configs into a queryable knowledge graph