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create-skill

Skill

Use when the user wants to persist a preference, skill, or knowledge. Use when it would aid future val development to store a memory of how best to build something.

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Install

git clone https://github.com/val-town/plugins.git ~/.claude/skills/create-skill

What is create-skill?

Use when the user wants to persist a preference, skill, or knowledge. Use when it would aid future val development to store a memory of how best to build something.

What this can do

Capabilities declared in this component's own frontmatter — not inferred.

Inherit all session tools

Declares no tool restrictions — inherits every session tool

~41 tokens of context used while enabled, before you invoke anything

Documentation

README · ~2 min read

Skills in Val Town instruct Townie and other AI agents using the Val Town MCP server how to write idiomatic vals that respect a user's preferences and knowledge.

In any val, a user can create a /skills/<name>/SKILL.md file, e.g. /skills/design/SKILL.md. Townie and the Val Town MCP server index skills with that directory/file structure across all of a user's vals. A user may choose to centralize their skills in one val or co-locate skills across multiple vals.

Frontmatter

A skill markdown file must have frontmatter:

  • name: kebab-case name of the skill; contains lowercase letters, numbers, and hyphens
  • description: helps the agent decide when the skill is relevant. A good skill description is critical for agent discovery
  • triggers: (optional) is a list of keywords to tip off the agent

The description and triggers fields enable skill discovery, i.e. tells the user's AI agent (e.g. Claude Code, Codex, Cursor) when to use it.

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