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Keep shoppingAgent Skills in a Day : Build Reusable AI Capabilities
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728 students
Agent Skills in a Day : Build Reusable AI Capabilities
Design, build, and deploy production-ready Skills with your own workflows, domain knowledge, and automation scripts
Created byFirstlink Consulting
Last updated 6/2026
English
English [Auto],
What you'll learn
- How Claude Skills work — the filesystem-based, demand-loaded model that makes them composable and efficient
- The exact YAML frontmatter rules that control when a Skill triggers and what Claude is allowed to do
- How to write a SKILL that is precise enough to trigger correctly and flexible enough to handle real-world variation
- How to structure multi-file Skills with REFERENCE, domain sub-folders, and supporting scripts
- The plan-validate-execute pattern for Skills that interact with data files or external tools
- How to write and wire in helper scripts (Python) that reduce context noise and handle input validation
- How to evaluate a Skill against a structured rubric and iterate until it meets a production bar
- How to deploy Skills across Claude Code, claude ai, and the Claude API
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Course content
7 sections • 33 lectures • 1h 57m total length
Requirements
- Claude Code installed or a claude ai Pro, Max, Team, or Enterprise account with code execution enabled
- Comfort working in a terminal and editing plain-text files
- Basic familiarity with Python (Module 3 and beyond); no advanced Python is required
- No prior experience with Claude Skills is assumed
Description
Claude Skills are the simplest way to make Claude reliably do what you need — every time, without re-explaining yourself. In this course, you will go from writing your very first SKILL file to building multi-file Skills with validator scripts, reference libraries, and structured workflows that Claude loads automatically.
The course is structured around four progressive modules, each grounded in hands-on labs. You will start with the fundamentals of the Skills architecture, move into building single-file and multi-file custom Skills, and finish with evaluation-driven best practices used in production environments. Every concept is paired with a working lab you can keep and adapt after the course.
What Will Students Learn?
- How Claude Skills work — the filesystem-based, demand-loaded model that makes them composable and efficient
- The exact YAML frontmatter rules that control when a Skill triggers and what Claude is allowed to do
- How to write a SKILL that is precise enough to trigger correctly and flexible enough to handle real-world variation
- The difference between Skills, MCP servers, and Agents — and how to choose the right tool for each job
- How to structure multi-file Skills with REFERENCE, domain sub-folders, and supporting scripts
- The plan-validate-execute pattern for Skills that interact with data files or external tools
- How to write and wire in helper scripts (Python) that reduce context noise and handle input validation
- How to evaluate a Skill against a structured rubric and iterate until it meets a production bar
- How to deploy Skills across Claude Code, claude ai, and the Claude API
Who this course is for:
- Developers who use Claude Code daily and want repeatable, project-specific workflows baked in
- Team leads and technical leads who want to package team conventions — code review checklists, data schemas, brand guidelines — so every teammate benefits automatically
- Prompt engineers who are ready to graduate from one-off prompts to structured, versioned, reusable capabilities
- AI practitioners building internal tooling on top of Claude who want lightweight automation without the overhead of a full agent framework