Skills

Create, read, and edit Word documents (.docx) with advanced formatting, tracked changes, comments, tables of contents, images, and letterheads. Supports unpacking to raw XML for precise editing and repacking with validation.

Read, extract text and tables, merge, split, rotate, watermark, create, fill forms, encrypt, and OCR scanned PDFs. Uses pypdf, pdfplumber, reportlab, and CLI tools like qpdf and pdftk.

Create stunning slide decks from scratch or edit existing presentations. Includes bold design guidance with color palettes, typography, visual motifs, and mandatory QA verification via screenshot inspection.

Create, read, edit, and fix spreadsheets (.xlsx, .xlsm, .csv, .tsv). Supports Excel formulas (never hardcoded values), financial modeling with color-coded conventions, formatting, charting, and automatic recalculation with validation.

Create distinctive, production-grade frontend interfaces with high design quality. Emphasizes bold aesthetic choices, custom typography, atmospheric backgrounds, and motion — avoids generic AI aesthetics.

Create museum-quality visual art, posters, and design pieces in PNG and PDF. Generates a design philosophy manifesto first, then expresses it on canvas with 80+ bundled fonts and a design-forward, typography-sparse approach.

Apply Anthropic's official brand colors, typography, and visual identity to artifacts. Includes precise hex codes, font specifications (Poppins headings, Lora body), and smart accent color cycling for design consistency.

Style any artifact with one of 10 curated professional themes — Ocean Depths, Sunset Boulevard, Forest Canopy, Modern Minimalist, Golden Hour, Arctic Frost, Desert Rose, Tech Innovation, Botanical Garden, and Midnight Galaxy. Also generates custom themes on-the-fly.

Create original algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Generates an aesthetic philosophy manifesto, then expresses it as an interactive HTML viewer with seed navigation, parameter sliders, and downloadable output.

Build elaborate multi-component claude.ai HTML artifacts using React 18, TypeScript, Vite, Tailwind CSS, and 40+ shadcn/ui components. Bundles everything into a single self-contained HTML file ready to share.

Interact with and test local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, viewing console logs, and managing server lifecycles.

Guide for creating high-quality MCP (Model Context Protocol) servers in Python (FastMCP) or TypeScript (MCP SDK). Covers research, implementation, testing with MCP Inspector, and evaluation creation — from API integration to production-ready servers.

Meta-skill for creating effective Claude Code skills. Covers progressive disclosure design, SKILL.md structure, bundled resources, degrees of freedom, and packaging into distributable .skill files. Includes init and validation scripts.

Structured three-stage workflow for co-authoring documentation: context gathering with brainstorming, section-by-section refinement with iterative drafting, and reader testing with a fresh sub-agent to verify clarity and completeness.

Write all kinds of internal communications using company-standard formats — 3P updates (Progress/Plans/Problems), company newsletters, FAQ responses, status reports, leadership updates, incident reports, and project updates.

Create animated GIFs optimized for Slack — both emoji (128x128) and message-size (480x480). Includes easing functions, frame composition helpers, validation tools, and animation concepts like shake, pulse, bounce, spin, and particle effects.