Guide · what is a claude skill

What Is a Claude Skill?

Updated Jun 18, 2026 · By fisher

The Short Version

Claude Skills are best for repeated workflows: processing PDFs, generating slide decks, reviewing code, or following a domain-specific SOP.

When to Use a Skill

Use a skill when the task has repeatable steps, reusable constraints, known gotchas, and examples that improve reliability.

When Not to Use a Skill

Do not create a skill for a one-off prompt, vague brainstorming task, or workflow that changes every time.

What a Good Skill Includes

  • Clear scope.
  • Trigger conditions.
  • Step-by-step process.
  • Examples.
  • Known limitations.
  • Installation notes.

FAQ

What is a Claude Skill?

A Claude Skill is a reusable capability package that gives Claude task-specific instructions and supporting context.

Are Claude Skills the same as MCP?

No. Skills package reusable task behavior; MCP connects models to external tools and resources.