AI skills and agents for developers

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…

bitnet.cpp

microsoft · Kit

Microsoft’s official inference framework for 1-bit LLMs, built on llama.cpp. It runs ternary models such as BitNet b1.58 on x86 and ARM CPUs, and has a GPU ker…

drawDB

drawdb-io · Kit

A free database diagram editor that runs in your browser. You draw tables and relationships, import SQL, and export SQL, images or DBML. The notes cover runnin…

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…

Protocol Buffers

protocolbuffers · Kit

Google’s open source way to describe structured data in a .proto file and read and write it from many languages. The setup notes cover the protoc compiler and…

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…

PowerShell

PowerShell · Kit

Microsoft’s open source shell and scripting language for Windows, macOS and Linux. It passes .NET objects down a pipeline instead of text. The kit covers insta…

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…

Hermes Agent

NousResearch · Kit

Nous Research’s open source agent that you run in a terminal, in a desktop app or from a chat app. It keeps memory, writes skills from experience, runs schedul…

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…

RAGFlow

infiniflow · Kit

InfiniFlow’s open source RAG engine with agent features. You load documents into datasets, RAGFlow reads their layout, text and tables, and a chat answers with…

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…

openpilot

commaai · Kit

comma.ai’s MIT-licensed driver assistance software for the cars on its supported list. It runs on a comma device in the car, or on a computer for development a…

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…

Ladybird

LadybirdBrowser · Kit

The Ladybird developers’ web browser, with its own engine built on web standards. It is pre-alpha and for developers, so you build it from source. These notes…

Supervision

roboflow · Kit

Roboflow’s free, open source Python library for computer vision applications. It draws detections, counts objects in zones, converts datasets and scores models…

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…

MarkItDown

microsoft · Kit

Microsoft’s free, open source Python tool that converts PDF, Word, Excel, PowerPoint and other files to Markdown for LLMs. The setup notes cover the command li…

Hyperswitch

juspay · Kit

Juspay’s open source payments platform, written in Rust. Your checkout calls one API, and it routes each payment to one of over a hundred processors, with retr…

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…

nvm

nvm-sh · Kit

nvm-sh’s free shell script that installs several versions of Node.js side by side and switches between them in each shell. The setup notes cover Linux, macOS,…

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…

Interfaces: agent skills for building UI

jakubkrehel · Skill

Jakub Krehel’s collection of agent skills for interface work: they review and fix accessibility, layout, typography, color, UI polish and interface copy, and a…

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…

Impeccable

pbakaus · Skill

Paul Bakaus’s design skill for coding agents, with 24 commands such as polish, bolder, critique and audit for steering and reviewing UI work. A rule-based dete…

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…

REA: Reverse Engineer Anything

morluto · MCP server

Pick

An MCP server and CLI by morluto that lets your coding agent study binaries, desktop and Android apps, websites and firmware on your own computer, and back eac…

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.

Playwright MCP

microsoft · MCP server

Microsoft’s MCP server that lets your AI assistant open pages, click, type and fill forms in a real browser, reading each page as structured text instead of sc…

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…

Finds the answer to a technical question in a product’s own documentation and quotes it.