A curated collection of Agent Skills for Claude Code, Open Code, and more, covering Agent/Skill engineering, backend architecture, event-driven systems, CI/CD, frontend design, document and office automation, and visual creation
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Skill Claude CodeCodex
Validate startup ideas using Hexa's Opportunity Memo framework and Perceived Created Value (PCV) methodology. Assess problem-solution fit, market opportunity, and determine if an idea is worth pursuing.
Skill Claude Code
A unified guide for managing personal notes and a knowledge base through an API. A knowledge base is a collection of stored files, web pages, and notes that can be searched later.
Skill Claude CodeCodex
An API guide for uploading files, web pages, and notes to a searchable knowledge base and for browsing or finding stored content.
Skill Claude CodeCodex
A note-management guide for searching, reading, creating, and adding content to personal notes through an API.
Skill Claude CodeCodex
Elite website image-to-code skill for Codex. For visually important web tasks, it must first generate the design image(s) itself, deeply analyze them, then implement the website to match them as closely as possible. In Codex, it must prefer large, readable, section-specific images instead of tiny compressed boards…
Skill Claude CodeCodex
Elite mobile app image-generation skill for creating premium, app-native screen concepts and flows. Designed for iOS, Android, and cross-platform mobile products. Prioritizes clean hierarchy, comfortably readable text, strong multi-screen consistency, controlled color palettes, non-generic creative direction, textured…
Skill Claude CodeCodex
Elite frontend image-direction skill for generating premium, conversion-aware website design references. CRITICAL OUTPUT RULE — generate ONE separate horizontal image FOR EVERY section. A landing page with 8 sections produces 8 images. Never compress multiple sections into one image. Enforces composition variety (not…
Skill Codex
Generate or edit raster images when the task benefits from AI-created bitmap visuals such as photos, illustrations, textures, sprites, mockups, or transparent-background cutouts. Use when Codex should create a brand-new image, transform an existing image, or derive visual variants from references, and the output…
Skill Claude CodeCodex
Use when generating images with Alibaba Cloud Bailian API, especially for Chinese text rendering or photorealistic images.
Skill Codex
Use when the user wants to design, redesign, shape, critique, audit, polish, clarify, distill, harden, optimize, adapt, animate, colorize, extract, or otherwise improve a frontend interface. Covers websites, landing pages, dashboards, product UI, app shells, components, forms, settings, onboarding, and empty states.…
Skill Claude CodeCodex
Implement a piece of work based on a spec or set of tickets.
Skill Claude CodeCodex
Raw mechanical interfaces fusing Swiss typographic print with military terminal aesthetics. Rigid grids, extreme type scale contrast, utilitarian color, analog degradation effects. For data-heavy dashboards, portfolios, or editorial sites that need to feel like declassified blueprints.
Skill Claude CodeCodex
A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project…
Skill Claude CodeCodex
Extracts what the user actually wants instead of what they think they should want. Achieves this through one-question-at-a-time interview until 95% confidence about the underlying intent. Use when an ask is underspecified ("build me X" without "for whom" or "why now"), when the user explicitly invokes ("interview me"…
Skill Claude CodeCodex
Use when building, configuring, or debugging enterprise Java applications with Spring Boot 3.x, microservices, or reactive programming. Invoke to implement WebFlux endpoints, optimize JPA queries and database performance, configure Spring Security with OAuth2/JWT, or resolve authentication issues and async processing…
Skill Claude CodeCodex
A Java code-style guide and review workflow for teams working with Java and Spring Boot applications.
Skill Claude CodeCodex
Writes, debugs, and refactors JavaScript code using modern ES2023+ features, async/await patterns, ESM module systems, and Node.js APIs. Use when building vanilla JavaScript applications, implementing Promise-based async flows, optimising browser or Node.js performance, working with Web Workers or Fetch API, or…
Skill Claude CodeCodex
Professional JavaScript and TypeScript development skill covering modern ES6+, TypeScript, Node.js, Express, React, testing frameworks, and best practices. Use this skill when developing JavaScript/TypeScript applications, building React/Node.js projects, implementing RESTful APIs, or need guidance on modern JS/TS…
Skill Claude Code
A lookup tool for finding standard abbreviations for journal and magazine names, including ISO 4 and MEDLINE forms.
Skill Claude CodeCodex
Create and edit JSON Canvas files (.canvas) with nodes, edges, groups, and connections. Use when working with .canvas files, creating visual canvases, mind maps, flowcharts, or when the user mentions Canvas files in Obsidian.
Skill Claude CodeCodex
A tool for turning articles from Juejin, a Chinese technology publishing site, into clean Markdown files.
Skill Claude CodeCodex
Provides idiomatic Kotlin implementation patterns including coroutine concurrency, Flow stream handling, multiplatform architecture, Compose UI construction, Ktor server setup, and type-safe DSL design. Use when building Kotlin applications requiring coroutines, multiplatform development, or Android with Compose.…
Skill Claude CodeCodex
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).
Skill Claude CodeCodex
Convert Markdown files to professional PDF documents with full CJK (Chinese/Japanese/Korean) support. Uses reportlab for reliable rendering without external dependencies like wkhtmltopdf or LaTeX.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: