Anthropic has opened up the official skills catalogue for Claude, and one entry in it is worth stopping for: skill-creator. It is a skill that creates other skills. You describe in plain words what your Claude should be able to do, and it assembles the new capability itself, complete with instructions, scripts and resources. An AI that extends itself is no longer science fiction — it is a command in your terminal.
What happened
Anthropic is building out the open anthropics/skills repository, the official skill library for Claude. A skill is a folder of instructions, scripts and resources that Claude loads dynamically when a task calls for it: working with Word/Excel/PowerPoint/PDF documents, testing web apps, building MCP servers, brand books and design.
Installing all of it in Claude Code takes two commands: /plugin marketplace add anthropics/skills, then /plugin install example-skills@anthropic-agent-skills. Skills work in Claude Code, on claude.ai (paid plans) and through the Skills API — the same capability carries across products.
The gem of the catalogue is skill-creator. It turns building a new skill from hand-editing YAML and folder structures into a conversation: you describe the task, and Claude designs the skill, writes the instructions, drops in the scripts and validates the result against the official spec from the same repository.
Why it matters
Skills answer the biggest pain of working with AI agents: explaining the same thing over and over. Your project's rules, the style guide, the report format, the release checklist — all of it used to live in your head and get pasted into prompts. Now you package it into a skill once, and Claude applies it on its own when it is needed.
And skill-creator removes the last barrier: you no longer have to study the spec to build your own skills. The barrier to entry has dropped to almost nothing — "explain it once, use it forever" became a literal instruction. That changes the economics of working with agents: a team grows its skill library around its own processes at the speed of conversation.
What it means in practice
For anyone coding with Claude Code, it looks like this:
- Install the catalogue:
/plugin marketplace add anthropics/skillsand/plugin install example-skills@anthropic-agent-skills— that gets you the official skills, skill-creator included. - Ask skill-creator to build a skill around your routine: "make a skill that checks my code against the release checklist" — then try the result on a real task.
- Start with the pains that repeat: the team style guide, commit format, report structure, review rules. One skill means one less eternal explanation.
- The document skills (docx/xlsx/pptx/pdf) cover office routine: reports and presentations in your own template, straight from the chat.
- Keep security in mind: a skill executes code. Read other people's skills before installing them, the same as any package off the internet.
Skills rest on the same principle the qvib.pro engines are built on: rules and roles packaged so the agent behaves predictably. That approach is now the official standard of the Claude ecosystem.