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Creating Skills

Skills are reusable instruction sets that teach Claude how to perform specific tasks. EvoNexus includes 126 built-in skills — you can create your own.

Using the Skill Creator

The fastest way:
The skill-creator plugin walks you through:
  1. Name and prefix — follows the naming convention (e.g., prod-weekly-team-report)
  2. Description — the trigger phrase that activates the skill
  3. Instructions — what Claude should do when the skill is invoked

Manual Creation

Skills live in .claude/skills/ organized by prefix.

File Structure

SKILL.md Format

Key Points

  • The description field is the trigger. Claude matches user intent against skill descriptions to decide which skill to activate. Make it specific and include common trigger phrases.
  • The name field is the skill identifier.
  • The body contains the full instructions Claude follows when the skill is activated.

Naming Convention

Skills use a prefix that indicates their category:

Example: Creating a “Weekly Report” Skill

  1. Create the directory:
  1. Create SKILL.md:
  1. Test it — just describe the task:
Claude matches your intent to the skill description and follows the instructions.

Tips

  • Be specific in descriptions. “Generate financial reports” is too vague. “Generate financial statements (income statement, balance sheet, cash flow) with period-over-period comparison” tells Claude exactly when to activate.
  • Include trigger phrases. Add common ways users might ask for the skill: “Use when the user says ‘X’, ‘Y’, or ‘Z’.”
  • Reference other skills. Skills can call other skills — e.g., a weekly report skill can reference the Stripe integration skill for financial data.
  • Test iteratively. Create the skill, test it, refine the instructions based on the output quality.