algorithmic-art
OfficialGenerates p5.js algorithmic art from a written philosophy, shipped with an interactive HTML viewer and tunable parameters.
by Anthropic175.4k stars
Official
Anthropic official skills
Official agent skills published by Anthropic. Each ships its full SKILL.md and installs in one click.
brand-guidelines
OfficialApplies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting
by Anthropic175.4k stars
canvas-design
OfficialGenerate original PNG/PDF visual art driven by a written design philosophy.
by Anthropic175.4k stars
doc-coauthoring
OfficialCo-author documents section by section through guided context gathering, iterative drafting, and reader testing.
by Anthropic175.4k stars
docx
OfficialCreate, read, and edit Word .docx and .dotx files with a verified workflow and built-in gotcha guidance.
by Anthropic175.4k stars
frontend-design
OfficialGuidance for distinctive, intentional visual design when building new UI or reshaping an existing one. Helps with aesthetic direction, typography, and making choices that don't read as templated defau
by Anthropic175.4k stars
internal-comms
OfficialA 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 com
by Anthropic175.4k stars
mcp-builder
OfficialBuild MCP servers with TypeScript or Python SDKs, from API research to evaluation testing.
by Anthropic175.4k stars
Extract text and tables from PDFs, merge, split, rotate, watermark, encrypt, and create new PDFs with Python libraries.
by Anthropic175.4k stars
pptx
OfficialCreate, edit, and extract content from .pptx and .potx files with bundled validation scripts.
by Anthropic175.4k stars
skill-creator
OfficialBuild, test, and iteratively improve Claude skills through a draft, eval, and revision cycle.
by Anthropic175.4k stars
slack-gif-creator
OfficialKnowledge and utilities for creating animated GIFs optimized for Slack. Provides constraints, validation tools, and animation concepts. Use when users request animated GIFs for Slack like "make me a G
by Anthropic175.4k stars
theme-factory
OfficialToolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact t
by Anthropic175.4k stars
web-artifacts-builder
OfficialSuite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state manag
by Anthropic175.4k stars
webapp-testing
OfficialToolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser l
by Anthropic175.4k stars
xlsx
OfficialCreate, edit, and verify Excel spreadsheets with correct formulas, formatting, and recalculation.
by Anthropic175.4k stars
About Ottermind skills
These skills are published and maintained by Anthropic. Official skills track changes in the underlying product or API, which matters for anything that integrates with a service that keeps shipping.
Skills cover the full range of what an Ottermind agent does: building editable PowerPoint decks, generating product and brand images, writing and running code on a machine you connect, producing video from a script or a still, and cleaning and analysing spreadsheet data. A skill is what turns a general model into something that handles your specific version of one of those jobs the same way every time.
A skill is a plain Markdown file with a short frontmatter header, which means you can read exactly what it will do before running it, edit it to match your own conventions, and share it with colleagues. Once a skill produces the result you wanted, it can be attached to an agent or scheduled as an automation so the same work happens again without anyone rewriting the prompt.
- What is an Ottermind skill?
- A reusable instruction package written in Markdown. It gives an agent the context, steps, and constraints for one kind of task, so results stay consistent instead of depending on how well you phrased the prompt that day.
- How do I install and use a skill?
- Open any skill's detail page, read the full document, and install it into your workspace. From then on the agent can use it automatically when the task matches, or you can invoke it by name.
- Can I create my own skill?
- Yes. A skill is a Markdown file with frontmatter naming it and describing when it should be used. If you have a workflow you keep re-explaining to an agent, writing it down once as a skill is usually the shortest path to making it repeatable.
- Do skills cost extra?
- Browsing and installing skills from this library does not cost anything on its own. Running one consumes the same credits as any other agent task, depending on the model you choose and how much work the task involves.