A framework for engineering word-of-mouth and making products, ideas, and content contagious. Based on Jonah Berger's research into why certain things catch on while others languish in obscurity — and

Foundational design principles for creating products that are intuitive, discoverable, and understandable. The "bible of UX" — applicable to physical products, software, and any human-designed system.

Framework for building habit-forming products. Based on a fundamental truth: habits are not created—they are built through successive cycles through the Hook.

Framework for designing native iOS app interfaces that feel intuitive, consistent, and aligned with Apple's design philosophy. Based on Apple's Human Interface Guidelines, the definitive resource for

A systematic approach to building startups and launching new products that shortens development cycles and rapidly discovers if a business model is viable.

Create websites and applications at the level of world-class digital agencies. This skill embodies the craft of studios that consistently win FWA, Awwwards, CSS Design Awards, and Webby Awards.

A complete system for running a business with six key components. Designed for entrepreneurial companies ($2M-$50M revenue, 10-250 employees) that want to align vision and execution.

commissaire-aux-comptes

comptable

fiscaliste

A complete system for building profitable software products without bloat, bureaucracy, or burnout. Over fifteen years, 37signals distilled their approach into three books: *Getting Real* (2006) estab

Framework for building a sustainable, weekly practice of customer discovery that keeps product teams making progress toward desired outcomes. Rather than treating discovery as a phase that happens bef

A principled approach to building reliable, scalable, and maintainable data systems. Apply these principles when choosing databases, designing schemas, architecting distributed systems, or reasoning a

Framework for building products customers love by structuring empowered teams that solve hard problems through continuous discovery and delivery. Based on a fundamental truth: the best product compani

Framework for designing, deploying, and operating production-ready software systems. Based on a fundamental truth: the software that passes QA is not the software that survives production. Production

适用于需要**发布/审核**流程的业务模块（如大屏发布、内容审核等），在标准 CRUD 基础上叠加工作流能力。

Detect exposed secrets, API keys, credentials, and tokens in code. Use before commits, on file saves, or when security is mentioned. Prevents accidental secret exposure. Triggers on file changes, git commits, security checks, .env file modifications.

This file provides guidance to Codex CLI when working with code in this repository.

DeepAgent is a pre-built agent on top of ChatModelAgent that provides planning, filesystem access, shell execution, and sub-agent delegation out of the box.

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Automate any Electron desktop app using agent-browser. Electron apps are built on Chromium and expose a Chrome DevTools Protocol (CDP) port that agent-browser can connect to, enabling the same snapsho

Run `/azure-tools:setup` to configure Azure MCP.

Use when the task asks for a visually strong landing page, website, app, prototype, demo, or game UI. This skill enforces restrained composition, image-led hierarchy, cohesive content structure, and tasteful motion while avoiding generic cards, weak branding, and UI clutter.

Run `/gcloud-tools:setup` to configure GCloud MCP.

Run `/paper-search-tools:setup` to configure Paper Search MCP.

This skill should be used when working on Polar billing system, Stripe integration, subscription lifecycle, checkout flows, or benefit provisioning.

Guide for implementing smooth, native-feeling animations using React's View Transition API (`<ViewTransition>` component, `addTransitionType`, and CSS view transition pseudo-elements). Use this skill whenever the user wants to add page transitions, animate route changes, create shared element animations, animate enter/exit of components, animate list reorder, implement directional (forward/back) navigation animations, or integrate view transitions in Next.js. Also use when the user mentions view transitions, `startViewTransition`, `ViewTransition`, transition types, or asks about animating between UI states in React without third-party animation libraries.

Skill for building applications with the `@supabase/supabase-js` SDK. Covers Auth, Database (PostgREST), Storage, Realtime, and Edge Functions.

Use when starting any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent, requirements and design before implementation.

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opam is the package manager for ocaml packages. This skill teaches you how to use it

Use when creating new Claude Code skills or improving existing ones - ensures skills are discoverable, scannable, and effective through proper structure, CSO optimization, and real examples

Parse and normalize features from text descriptions, images, and screenshots into structured requirements.

Design comprehensive system architecture with technology selection and ADRs.

Create Product Requirements Documents through structured discovery using Jobs-to-be-Done framework.

Create comprehensive product briefs from market, domain, and technical research.

System and API design guidance covering component boundaries, data flow, integration patterns, and scalability considerations.

Structured planning methodology with research, brainstorming, phased plan creation, risk assessment, and plan-to-build continuity.

Interactive PRD brainstorming and drafting with quality-gated refinement.

Git-backed state management for safe rollback. Create and restore checkpoints with tagged commits and metadata tracking.

Build structured knowledge frameworks from scattered vault notes with source attribution

Cross-domain pattern analysis with personal, professional, and project domain synthesis

Decompose goals into MEOWs (Molecular Expressions of Work) - trackable atomic units following Gas Town's bead-based work model.

YAML frontmatter parsing and manipulation for .planning/ documents. Provides read, write, update, query, and validation operations on frontmatter blocks in GSD markdown artifacts.

Plan structure validation, phase completeness checks, reference integrity verification, and artifact existence confirmation. Provides the structured verification layer ensuring GSD artifacts are well-formed and complete.

Systematic codebase exploration following the Iron Law - understand the problem before exploring code. Four phases with file-finder and web-researcher agents.

Multi-protocol consensus for agent swarms supporting Raft leader election, Byzantine fault tolerance, Gossip state propagation, and CRDT conflict-free merging.

LangChain chain composition including SequentialChain, RouterChain, and LCEL patterns

LangChain ReAct agent implementation with tool binding for reasoning and action loops

LangChain tool creation and integration utilities for agent systems