
Claude Cowork Plugins: What They Are and How to Add Them
Claude Cowork plugins bundle skills, connectors, agents, and hooks into one package. Learn what they do, how to install them, and how to stay safe.
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Every practical guide to Claude AI in one place — what the models do, how the features work, what the plans cost, and how to fix it when something breaks.
Claude AI is Anthropic's family of assistant models and the apps built on them, and this hub is where we make sense of all of it. We build and maintain this site in Claude Code every day, so the guides here come from working with Claude directly — testing the features, hitting the errors, and watching how each model behaves — rather than rewording an announcement. That is the whole point of the collection: usable answers from real use, not marketing gloss.
If you are new to Claude AI, start with the fundamentals — what Claude is and which model fits your task — then branch into the specific feature, integration, plan question, or fix you actually need. Each card below is a standalone guide, and together they are meant to take you from your first prompt to confident power user. When a topic deserves real depth we give it its own article and link it here rather than skimming it in a list.


Claude Cowork plugins bundle skills, connectors, agents, and hooks into one package. Learn what they do, how to install them, and how to stay safe.

The Claude Certified Architect is Anthropic's first official cert: a proctored exam on production Claude apps. Cost, domains, and prep.

Wondering which is the best Claude model? A plain-English guide to choosing between Opus, Sonnet, and Haiku by task, speed, and cost — so you always pick right.

Claude Opus 4.7 is Anthropic's flagship Opus-tier model for deep reasoning, complex coding, and long-context agentic work. See its features and when to use it.

Claude pronunciation, explained: Claude is pronounced 'klawd' — one syllable, rhyming with 'flawed.' Learn how to pronounce Claude in English and French.

Claude free vs Pro, explained honestly: what the free plan really gives you, what Pro adds, and why token-based limits decide when you should upgrade.

Claude for Excel is an add-in that puts Claude in a sidebar inside Microsoft Excel to read, analyze, build, and edit your spreadsheets safely.

Claude custom voices let you pick how Claude sounds in voice mode. Learn the five voice options and how to change your Claude voice on mobile and web.

Choosing a Claude coding plan? Compare Pro, Max, and the API for Claude Code by usage level, what each gets you, and where each one hits its limits.

Claude routines are scheduled agent tasks that run in the cloud on a cadence. Learn how routines work, which surfaces support them, and how to start safely.

Claude Cowork pricing explained: which Claude plans include Cowork — Pro, Max, Team, and Enterprise — what each costs, usage limits, and how to get access.

Build a claude family tree from your own genealogy records: how Claude organizes, analyzes, and transcribes your data — plus its honest limits.

A grounded look at Claude for healthcare: real use cases, HIPAA and PHI rules, accuracy limits, and how clinical teams adopt AI responsibly.

Anthropic Academy is Anthropic's free official hub of courses and guides for learning Claude — from basics and prompt engineering to the API and Claude Code.

Who owns Claude AI? Claude is owned by Anthropic — not Amazon or Google. Meet the founders, the investors, and the trust that controls the company.

A claude humanizer skill rewrites stiff, AI-sounding drafts into natural prose. Learn what it fixes, how to install or build one, and how to humanize AI text.

Delete Claude account the safe way: cancel your subscription first, export the chats you want to keep, then confirm removal in Settings on claude.ai.

Claude token limits explained: what a token is, how the context window, max output, and plan usage caps differ, and how to work within each.

The Claude prompt generator in the Anthropic Console drafts structured, best-practice prompts for you, plus the prompt improver and a chat alternative.

Learn how to delete all Claude chats — remove a single conversation, bulk-select many at once, or wipe everything by deleting your account. Export first.

A practical guide to Claude skills for marketing: content, ad copy, campaign plans, SEO briefs, email, repurposing, research, and on-brand skills.

A Claude skill for Obsidian teaches Claude to write real Obsidian Markdown — wikilinks, embeds, callouts, properties. How to install and use it in your vault.

Claude Design turns a description into designs, prototypes, and slides you refine by chat. How to use it, what it does, and how to export your work.