AI skills and agents for developers

gstack

garrytan · Skill

A collection of task-oriented agents that simulate an engineering team, including roles like CEO, Designer, and QA, to help build and ship software via Claude…

Claude Code Game Studios

Donchitos · Skill

A set of AI agents, skills, and configuration rules that provides a structured hierarchy for game development within Claude Code. It supports common engines an…

Kronos

shiyu-coder · Kit

A family of decoder-only foundation models for financial market K-line sequences, designed to process high-noise market data for quantitative forecasting tasks.

Spotify Portal AI Plugins

spotify · Kit

Integrates software catalog searches, service briefings, and operational actions into AI coding agents like Claude Code, Cursor, and Codex. It helps engineers…

ChatDev

OpenBMB · Kit

OpenBMB’s open-source platform for building multi-agent systems without code, in version 2.0 also called DevAll. You draw or write a workflow of LLM agents, th…

Chrome DevTools for agents

ChromeDevTools · Kit

The Chrome DevTools team’s free MCP server and CLI that let your coding agent control and inspect a live Chrome. It records performance traces, reads network r…

AutoGen

microsoft · Kit

Microsoft’s framework for multi-agent AI apps in Python and .NET, with the AgentChat API and AutoGen Studio, a no-code GUI. Its README now calls the project ar…

goose

aaif-goose · Kit

An open source AI agent that runs on your machine, as a desktop app, a CLI or an API. It works with many model providers and any MCP server. Setup notes cover…

Zed

zed-industries · Kit

Zed Industries’ code editor for macOS, Linux and Windows, from the creators of Atom and Tree-sitter. These notes cover the install on each system, running Clau…

Ruflo

ruvnet · Kit

ruvnet’s free, MIT-licensed layer that adds agent swarms, shared memory, a console and an MCP server to Claude Code and Codex. It was called Claude Flow. The s…

Sim

simstudioai · Kit

Sim Studio’s workspace for building, deploying and managing AI agents and workflows, with an Apache 2.0 core. Use Sim Cloud, self-host with Docker or run the M…

Agent Development Kit (ADK) for Go

google · Kit

Google’s open-source Go toolkit for building AI agents in code, from one agent with tools to graph workflows and teams of agents. Setup notes cover the Quickst…

Bun

oven-sh · Kit

The all-in-one toolkit for JavaScript and TypeScript apps. One executable holds a Node.js-compatible runtime, a package manager, a test runner and a bundler. T…

Kestra

kestra-io · Kit

Kestra Technologies’ open-source orchestration platform for data, AI and infrastructure workflows. You write each flow in YAML, and a schedule or an event star…

OpenCode

anomalyco · Kit

An open source AI coding agent for the terminal, the desktop and the web. It connects to many model providers and to local models. Mindket’s setup notes cover…

Agno

agno-agi · Kit

Agno’s open-source platform for building agents and running them as services. Your coding agent sets up a template with AgentOS, an API, an MCP server and Post…

screenshot-to-code

abi · Kit

Abi Raja’s open source app that turns a screenshot, mockup, Figma design or screen recording into code, in HTML with Tailwind, React, Vue and other stacks. You…

Crawl4AI

unclecode · Kit

UncleCode’s open source web crawler and scraper for language models and AI agents. It loads a page in a browser and returns clean Markdown, or JSON in a shape…

The Agency

msitarzewski · Kit

A library of AI agent files from msitarzewski’s agency-agents repository. Each agent is a specialist with its own personality, process and deliverables. Instal…

Claude Cookbooks

anthropics · Kit

Anthropic’s notebooks and Python examples for building with the Claude API. Folders cover tool use, retrieval, Skills, Claude Agent SDK and Managed Agents. The…

Agent Skills

addyosmani · Skill

Addy Osmani’s open-source set of engineering skills for AI coding agents. Each skill is a Markdown workflow with steps, checks and exit criteria. The setup not…

RuView

ruvnet · Kit

ruvnet’s open source WiFi sensing platform. Low-cost ESP32 boards read ordinary WiFi signals to estimate presence, movement, breathing and heart rate with no c…

OpenHands Agent Canvas

OpenHands · Kit

OpenHands’ open source, self-hosted control center for coding agents. One browser app runs the OpenHands agent, Claude Code, Codex, Gemini CLI, Pi or OpenCode…

Open Interpreter

openinterpreter · Kit

The new Rust version of Open Interpreter, a coding agent for your terminal, built on OpenAI’s Codex. You bring the model, from ChatGPT or an API key to Kimi K3…

Skills For Real Engineers

mattpocock · Skill

Matt Pocock’s free, MIT licensed agent skills for everyday engineering: interview-style planning, specs and tickets, test-first building, code review and bug d…

Ollama

ollama · Kit

Ollama’s MIT-licensed app and command line for running open models on your own computer, or in Ollama’s cloud once you sign in. The setup notes cover macOS, Wi…

Dify

langgenius · Kit

LangGenius’s open-source platform for building LLM apps: visual workflows, RAG, model management and agents with a sandbox. Its difyctl tool and skill let Clau…

Awesome LLM Apps

Shubhamsaboo · Kit

Shubham Saboo’s open source collection of AI agents, agent skills and RAG apps, most in a folder of their own with a README. Setup notes cover the skills for C…

Public APIs

public-apis · Kit

The public-apis community’s list of free APIs for developers, sorted into categories, with each API’s auth, HTTPS and CORS support. Setup notes cover reading i…

FreeLLMAPI

tashfeenahmed · Kit

Tashfeen Ahmed’s open source gateway that stacks the free tiers of many LLM providers behind one OpenAI-compatible address. Its setup commands point Claude Cod…

Context Mode

mksglu · Kit

mksglu’s free, local plugin that keeps tool output out of your coding agent’s context window. Raw output stays in a sandbox and a SQLite index, and only the an…

Claude Code Plugins Directory

anthropics · Kit

Anthropic’s official plugin marketplace for Claude Code, kept as a GitHub repository. It lists plugins Anthropic wrote and plugins from partners and other auth…

pstack

michael-denyer · Skill

Michael Denyer’s port of Lauren Tan’s pstack skill stack to Claude Code, Codex, Pi, GitHub Copilot, Muse and other agents. Tell its poteto-mode skill your goal…

text-to-cad

earthtojake · Skill

earthtojake’s plugin that gives Claude Code, Codex, Cursor, Gemini and Grok local workflows for CAD. Your agent writes each model as a Python script and builds…

T3 Code

pingdotgg · Kit

T3 Tools’ open source control app for the coding agents on your own computer. You control Claude Code, Codex, Cursor and others from one desktop, web or phone…

Ghidra

NationalSecurityAgency · Kit

The NSA’s open-source reverse engineering framework: it turns a compiled program into assembly and C-like code you can read, annotate and script, in a window o…

Billion Context

ranxianglei · Kit

ranxianglei’s local proxy for long coding-agent sessions. It folds old conversation into summaries that can be unfolded later, so one session can run for days…

HyperFrames by HeyGen

heygen-com · Kit

HeyGen’s open-source framework that turns HTML into MP4 video. Its skills teach Claude Code, Codex, Cursor, Gemini CLI and other agents to plan, build, preview…

Tester Army e2e

tester-army · Kit

TesterArmy’s open source testing framework for web and mobile apps. You write a goal in words and an agent drives the app. Its skill and MCP server let Claude…

ECC by affaan-m

affaan-m · Skill

Affaan Mustafa’s plugin of agents, skills, commands and hooks that gives Claude Code, Codex and other coding agents a routine of planning, test-first work, fre…

Anthropic Agent Skills

anthropics · Skill

Anthropic’s public Agent Skills for Claude Code, Claude.ai and the Claude API: folders of instructions and scripts. They teach Claude to work with Word, Excel,…

Claude-Mem by thedotmack

thedotmack · Kit

Alex Newman’s memory plugin for Claude Code and other coding agents. It records what the agent does in each session, turns that into short searchable notes and…

Taste Skill

Leonxlnx · Skill

Leonxlnx’s Agent Skill that gives Claude Code and Codex an art direction, pictures from open collections and a real-browser check, so the websites and app scre…

Superpowers

obra · Skill

Jesse Vincent’s skills that give your coding agent a working method: it asks what you want, gets a design approved, writes a step-by-step plan, then builds it…

Cloudflare security-audit skill

cloudflare · Skill

Cloudflare’s coding-agent skill that runs a six-phase security audit of your codebase, with a fresh agent trying to disprove each lead and every finding writte…

Hallmark design skill

Nutlope · Skill

Nutlope’s design skill for Claude Code, Codex, Cursor and OpenCode. It builds pages from fifty themes or a custom direction, then checks them in a browser for…

Context7

upstash · MCP server

Upstash’s hosted MCP server that hands your coding assistant current docs and code examples for the library and version you ask about.

A CLAUDE.md to fill in, a settings file with careful permissions and two slash commands, /plan-task and /review-changes, for any repository you open in Claude…

Reviews a code diff for bugs, edge cases, security and missing tests, the worst first, each with a fix.

Turns a rough request into a precise task for Claude Code or any coding agent: goal, files, checks and limits.