The capability harness for AI agents. Skills over SDKs.

Open-source skills that empower any AI agent (Claude, Cursor, Hermes, etc.) to generate end-to-end marketing campaigns - UGC videos, ad videos, product photography and more.

GLM-5.3-Flash × J-Space capability realization — benchmark presentation of the J-Space Cognition Suite

OpenSpec Plus — Agentic skills that enhance OpenSpec's Spec-Driven Development through better discovery, requirements, design decisions, execution planning and execution. Works with Claude Code, OpenCode, Github Copilot and any other AI coding agents

Session lifecycle management for Claude Code — persistent memory, soul purpose, reconcile, harvest, archive

A Claude skill blending psychology, philosophy, and wisdom traditions into a conversation partner with actual depth. Free, open-source, not a therapist.

#1 Product of The Day @ Product Hunt. The GTM co-founder you don't have. Open-source GTM Agent Skills for developer tools and AI products, for founders, GTM hires, and founding AEs: positioning, first users, launch, pricing. Sharpened by Frankl & Czakon. MIT.

A Claude Skill for creating academic presentations (conference talks, seminar slides, thesis defenses, grant briefings). Enforces action titles, structured argument, exhibit discipline, citation standards, and communication-first design. Works alongside Anthropic's built-in PPTX skill.

Comprehensive open-source library of AI research and engineering skills for any AI model. Package the skills and your claude code/codex/gemini agent will be an AI research agent with full horsepower. Maintained by Orchestra Research.

Agent Skill: PHP 8.x modernization patterns - typing, attributes, PHPStan | Claude Code compatible

AI agent skills for social media content strategy, creation, and analysis across text-first platforms

47 Claude Code skills for product management, frontend design, full-stack development, and browser automation

Money Atlas Skill.md (Claude Skill) For AI Agent A Genesis Protocol-powered intelligence system for financial markets, macroeconomics, and geopolitics. Core Systems - Genesis Protocol (First Principle + System Thinking) - SMC Layer Engine (Quant price structure)

Ghost Security's collection of AppSec skills for AI coding agents

Browser automation CLI built for AI agents. Break through anti-bot walls, hand off to humans across platforms when stuck. Parallel multi-task execution, independent multi-session operation, isolated multi-account browsing.

Curated Agent Skills for Microsoft & Azure – giving AI coding assistants structured, real-time expertise from Microsoft Learn docs.

Hermes profile pack for archiving and browsing curated links + web dashboard app

Agent-agnostic record & replay skill: watch a user demonstrate a workflow (browser via Playwright, desktop via OpenAdapt) and turn it into a reusable AI-agent skill. Works with Claude Code, Codex CLI, opencode.

Forcing-function skills for AI agents — validated to improve behavior, not just change it.

Agent Skill for complex work: research before asking, ask before planning, plan before building, verify before delivering, independent review before calling it done. Plain text, no runtime.

🖼️ AI agent skill for Claude Code & Codex — turns raw app screenshots into store-ready App Store & Google Play marketing images: device frames (iPhone·iPad·Galaxy·Fold·Flip), app-matched backgrounds, marketing copy, exact store sizes. 앱스토어·플레이스토어 마케팅 스크린샷 자동 생성

AI agent skills for building, operating and troubleshooting Apache Kafka applications. Topic audit, consumer lag, schema review, security, connectors and DLQ

Lightweight markdown-based workflow for collaborating with AI coding assistants using spec-driven development methodology

Beautiful App Store screenshots — perfect to spec, shipped end to end. An open-source skill for Claude Code & Codex: deterministic HTML panels, one-pass translation, AI sticker art, spec-preserving makeovers.