Academy Guide is Anthropic's agent skill that ends Claude's answers about using Claude with one or two matching Claude Academy courses or tutorials, and only when the match is strong.
Anthropic agent skills
Anthropic publishes 19 agent skills listed here, from anthropics/skills (179,326 GitHub stars, last push September 29, 2026). Anthropic's own repository of Agent Skills, the skill format it created for Claude.
- Algorithmic Art is Anthropic's open-source agent skill for generative art: the agent writes a short art philosophy, then builds an interactive p5.js piece with seeds and parameter sliders.
- Brand Guidelines is Anthropic's open-source agent skill that holds Anthropic's own brand colors and fonts, so an agent can give a document, slide deck or web artifact the Anthropic look.
- Canvas Design is Anthropic's open-source agent skill for static visual work: the agent writes a design philosophy, then makes a poster or art piece as a finished PNG or PDF file.
- Claude API is Anthropic's open-source agent skill for code that calls Claude: current model IDs and prices, guides for seven SDK languages plus cURL, and guided migrations to newer models.
- Discernment Nudge is Anthropic's agent skill that ends a substantive Claude answer with two or three specific follow-up questions, so you can check its facts, reasoning and assumptions.
- Doc Co-Authoring is Anthropic's agent skill that takes you and an AI agent through a document in three stages: gather context, draft section by section, then test it on a fresh reader.
- DOCX is Anthropic's proprietary agent skill for creating, reading and editing Word files, including tracked changes, comments and tables of contents; its license limits it to Claude and Anthropic's own products.
- Frontend Design is Anthropic's open-source agent skill that steers an AI agent toward a look made for your product and away from the templated pages AI tends to produce.
- Internal Comms is Anthropic's open-source agent skill for writing inside a company: the agent drafts 3P updates, company newsletters, FAQs and other internal messages in set formats.
- MCP Builder is Anthropic's open-source agent skill for building MCP servers in TypeScript or Python, from API research and tool design to testing and a 10-question evaluation.
- PDF is Anthropic's proprietary agent skill for reading, creating and editing PDF files, from pulling out tables to filling forms and OCR; its license limits it to Claude and Anthropic's own products.
- PPTX is Anthropic's proprietary agent skill for building PowerPoint decks from scratch or from your template and checking every slide for overflow; its license limits it to Claude and Anthropic's products.
- Skill Creator is Anthropic's open-source agent skill for making skills: the agent drafts a SKILL.md with you, tests it with and without the skill, and tunes its description so it triggers.
- Slack GIF Creator is Anthropic's open-source agent skill for animated GIFs sized for Slack: the agent draws the frames in Python, adds motion and checks the file meets Slack's limits.
- Theme Factory is Anthropic's open-source agent skill with 10 ready color and font themes, plus custom ones on request, that an agent applies to slides, documents and web pages.
- Web Artifacts Builder is Anthropic's agent skill for complex Claude.ai artifacts: the agent sets up a React, Tailwind and shadcn/ui project, then bundles it into one HTML file.
- Webapp Testing is Anthropic's open-source agent skill for testing local web apps: the agent writes Python Playwright scripts that click through your app, take screenshots and read console logs.
- XLSX is Anthropic's proprietary agent skill for creating, editing and cleaning spreadsheets with live formulas checked for errors; its license limits it to Claude and Anthropic's own products.