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Meetup

skill-up: How to Make Claude Work Your Way

Claude Code Meetup Helsinki · Helsinki, Finland ·

slides → event page → linkedin post →

Presenting the “Agent Skills = Open Standard” slide to a full room at the Claude Code Helsinki meetup

I talked about Agent Skills at the second Claude Code Helsinki meetup. It was good to see a crowd that size at a meetup.

Skills cost very few tokens up front. The model only loads one when it actually needs it. The rule of thumb I gave the room: if you find yourself prompting the LLM with the same thing over and over, that thing should be a skill.

Rather than just assert that skills are useful, I used one to build the talk. The slide deck was generated from scratch with Claude’s pptx skill, and I ran a live demo generating a deck from the Claude Code CLI.

What I covered

  • Why to use Agent Skills, now standardised as an open format at agentskills.io
  • How skills differ from MCP, hooks and plugins
  • The anatomy of a skill: SKILL.md, progressive disclosure, scripts and resources
  • Best practices
  • A live demo generating slides from the CLI

The “Anatomy of a Skill” slide, showing the SKILL.md structure alongside how progressive disclosure loads name and description first, then the full instructions, then scripts and resources

Thanks

Thanks to the Claude Code Helsinki organisers for having me.

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