How to Create Claude Code Skill

writing-clearly-and-concisely

obra

Apply Strunk's timeless writing rules to ANY prose humans will read—documentation, commit messages, error messages, explanations, reports, or UI text. Makes your writing clearer, stronger, and more professional.

image-enhancer

ComposioHQ

Improves the quality of images, especially screenshots, by enhancing resolution, sharpness, and clarity. Perfect for preparing images for presentations, documentation, or social media posts.

pdf

mrgoonie

Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.

pptx

mrgoonie

Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks

docx

mrgoonie

Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks

ffmpeg

mrgoonie

Guide for using FFmpeg - a comprehensive multimedia framework for video/audio encoding, conversion, streaming, and filtering. Use when processing media files, converting formats, extracting audio, creating streams, applying filters, or optimizing video/audio quality.

gemini-document-processing

mrgoonie

Guide for implementing Google Gemini API document processing - analyze PDFs with native vision to extract text, images, diagrams, charts, and tables. Use when processing documents, extracting structured data, summarizing PDFs, answering questions about document content, or converting documents to structured formats. (project)

cloudflare-r2

mrgoonie

Guide for implementing Cloudflare R2 - S3-compatible object storage with zero egress fees. Use when implementing file storage, uploads/downloads, data migration to/from R2, configuring buckets, integrating with Workers, or working with R2 APIs and SDKs.

tailwindcss

mrgoonie

Guide for implementing Tailwind CSS - a utility-first CSS framework for rapid UI development. Use when styling applications with responsive design, dark mode, custom themes, or building design systems with Tailwind's utility classes.

imagemagick

mrgoonie

Guide for using ImageMagick command-line tools to perform advanced image processing tasks including format conversion, resizing, cropping, effects, transformations, and batch operations. Use when manipulating images programmatically via shell commands.

documentation

baz-scm

Communicating the intended behavior and context of code through clear documentation and comments, and sharing knowledge with the team.

swift-best-practices

sammcj

This skill should be used when writing or reviewing Swift code for iOS or macOS projects. Apply modern Swift 6+ best practices, concurrency patterns, API design guidelines, and migration strategies. Covers async/await, actors, MainActor, Sendable, typed throws, and Swift 6 breaking changes.