ComposioHQ

A comprehensive Excel/spreadsheet skill that enables creating, editing, and analyzing .xlsx files with full formula support. It uses pandas for data analysis, openpyxl for Excel-specific features like formatting and formulas, and LibreOffice for recalculating formula values. Includes financial modeling best practices with industry-standard color coding and number formatting conventions.

This skill enables complete PowerPoint workflow management including creating presentations from HTML with accurate positioning, editing existing PPTX files through raw OOXML manipulation, using templates with slide rearrangement and text replacement, and generating thumbnail previews. It supports both programmatic presentation creation and template-based workflows.

This skill provides comprehensive PDF processing capabilities including text and table extraction, PDF creation, merging/splitting documents, and form filling. It includes Python scripts for handling both fillable PDF forms and non-fillable forms through text annotations, with built-in validation for accurate form completion.

A professional document manipulation skill that enables creating new Word documents, editing existing ones with tracked changes, adding comments, and converting documents to other formats. It provides workflows for document review (redlining) and ensures XML compliance through validation.

This skill enables fair random winner selection for giveaways, raffles, and contests. It works with data from Google Sheets, CSV files, Excel spreadsheets, or plain text lists, using cryptographically secure randomness to ensure unbiased selection with full transparency.

This skill transforms disorganized folders of invoices, receipts, and financial documents into a clean, tax-ready filing system. It extracts information from PDFs and images (vendor, date, amount, description), renames files consistently, organizes them into logical folder structures, and generates CSV summaries for accountants.

This skill helps organize messy folders like Downloads by analyzing file types, finding duplicates, and suggesting logical folder structures. It automates cleanup tasks with your approval, moving and renaming files intelligently based on content, dates, and purpose.

A minimal placeholder template for creating new Claude Code skills. Contains only boilerplate frontmatter with name and description fields that need to be replaced with actual skill instructions.

A comprehensive toolkit for testing local web applications using Playwright browser automation. It provides helper scripts to manage server lifecycles, capture browser console logs, discover page elements, and automate interactions with both dynamic and static HTML pages.

This skill helps users create new Claude Code skills by providing templates, validation, and packaging utilities. It includes scripts to initialize a new skill directory with proper structure, validate skill metadata and format, and package skills into distributable zip files.

This skill provides a complete guide for building Model Context Protocol (MCP) servers that enable LLMs to interact with external services. It includes implementation patterns for Python (FastMCP) and TypeScript (MCP SDK), best practices for tool design, input validation with Pydantic/Zod, and an evaluation harness for testing server quality with real questions.

This skill analyzes your recent Claude Code conversations to identify coding patterns, strengths, and areas for improvement. It generates a personalized growth report with curated HackerNews articles for learning and delivers it to your Slack DMs.

This skill transforms technical git commit history into polished, user-friendly changelogs. It analyzes commits from specified time periods or version ranges, categorizes changes into logical groups (features, improvements, bug fixes), and converts developer-focused messages into customer-friendly release notes.

A toolkit for building complex, multi-component web artifacts using React, Tailwind CSS, and shadcn/ui. It initializes fully configured React projects with 40+ pre-installed UI components and bundles them into single HTML files that can be shared as Claude artifacts.

Downloads YouTube videos with full control over quality (1080p, 720p, etc.), format (mp4, webm, mkv), and audio-only options. The skill automatically handles yt-dlp installation and provides a simple command-line interface for grabbing videos.

Theme Factory is a styling toolkit that offers 10 professionally designed themes with curated color palettes and font pairings. Users can apply these themes to slides, documents, reports, and HTML pages, or create custom themes based on their specific needs.

This skill provides a comprehensive toolkit for creating animated GIFs optimized for Slack. It includes validators for Slack's size constraints (64KB for emoji, 2MB for messages), composable animation primitives (shake, bounce, spin, fade, zoom, explode, etc.), and helper utilities for typography, color palettes, and visual effects like particles and motion blur.

This skill provides guidance for improving image quality including upscaling, sharpening, and artifact reduction. It contains only documentation describing common enhancement workflows for screenshots and images used in presentations, documentation, and social media - no actual scripts are included to perform these operations.

Canvas Design is a creative skill that helps users create beautiful visual art and design pieces through a two-phase workflow. First, it guides the creation of a design philosophy (aesthetic movement), then expresses that philosophy visually on a canvas as PDF or PNG files. The skill includes 30+ open-source fonts and emphasizes museum-quality, meticulously crafted output.

Analyzes meeting transcripts and recordings to uncover behavioral patterns like conflict avoidance, filler words, speaking ratios, and active listening. Provides timestamped examples with specific recommendations for improving communication and leadership skills.

This skill transforms Claude into a collaborative writing partner for creating blog posts, articles, and newsletters. It helps with outlining, conducting research with citations, improving hooks and introductions, and providing section-by-section feedback while preserving your unique writing voice.

A lead generation assistant that helps identify potential customers by analyzing your product/service and researching companies matching your ideal customer profile. It provides prioritized lead lists with contact strategies, decision-maker information, and personalized outreach suggestions.

This skill helps users write internal company communications including 3P updates (Progress/Plans/Problems), company newsletters, FAQ responses, status reports, and leadership updates. It provides structured templates, formatting guidelines, and best practices for each communication type but contains no executable code.

This skill helps users find creative domain name ideas for their projects, startups, or personal brands. It generates memorable domain suggestions across multiple TLDs (.com, .io, .dev, .ai, etc.), provides naming best practices, and offers branding insights to help users pick the perfect domain.

A competitive intelligence skill that helps marketers extract and analyze competitor advertisements from platforms like Facebook Ad Library and LinkedIn. It provides structured analysis of messaging, creative patterns, and campaign strategies to inspire and improve your own ad campaigns.

This skill provides Anthropic's official brand guidelines including color palettes (dark, light, gray, and accent colors with hex codes) and typography standards (Poppins for headings, Lora for body text). It serves as a reference for applying consistent visual styling to presentations and documents that need Anthropic's look-and-feel.