Agent Skills Hub

claude-api

Expert guidance for Claude Messages API: structured outputs, prompt caching, tool use, and migration from deprecated Claude 3.x models to 4.5. Prevents common API errors.

ppt-editing-skill

Edit PowerPoint files via XML-safe workflows. Features layout analysis, slide mapping, programmatic duplication/reordering, parallel XML editing for content updates, and validated cleanup of orphaned assets.

sag

ElevenLabs text-to-speech engine for OpenClaw with macOS-style CLI and voice synthesis control.

moai-lang-c

C programming language expert for memory management, systems programming, low-level optimization, and debugging best practices.

nexau-agent

Comprehensive guide and implementation framework for building, configuring, and deploying NexAU agents from scratch, including tools, prompts, and skills.

file-organizer

An intelligent file management assistant that organizes your workspace, identifies duplicates, and streamlines folder structures automatically.

java-coding-standards

Enforce high-quality Java 17+ coding standards, Spring Boot conventions, and maintainable project structures.

hegelion

Dialectical reasoning and adversarial coding agent for MCP-enabled editors, forcing LLMs to resolve internal contradictions for higher quality outputs.

github-gh

Interact with GitHub via the gh CLI to manage issues, pull requests, workflow runs, and execute advanced API queries programmatically.

code-formatter

Universal CLI tool to convert and synchronize AI agent skills between Claude Code and Gemini CLI extensions.

cosense

A comprehensive automation skill for Cosense (formerly Scrapbox) enabling page reading, searching, creating, and safe editing via API.

react-router-data-mode

Build React applications using React Router's data mode (createBrowserRouter/RouterProvider) for loaders, actions, fetchers, and optimistic UI without the Vite framework plugin.