Lightlines
By anthropics

skill-creator

anthropics

Build better skills through testing and iteration.

skill development

What it does

Creates, improves, evaluates, benchmarks, and optimizes reusable skills.

When to use it

Use when creating, editing, evaluating, benchmarking, or optimizing a skill.

How to use it

Tell it what skill you want; it interviews you, drafts or edits the skill, tests it, gathers feedback, and iterates.

Uses


Access · 6

This skill

Claude

Write

Sends trigger tests to Claude

documentation and similar skills

Read

Researches docs and similar skills

generate_review.py

Execute

Starts a local review viewer

scripts.run_loop

Execute

Optimization in background

Good to know

  • starts helper agents, number unstated
  • starts 2 helper agents
  • starts 1 helper agents

What you need · 2

Python is needed for benchmark aggregation and other bundled scripts used by the evaluation workflow.

The claude CLI, specifically `claude -p`, is required only for description optimization.


About this skill

Visibility
Public
Repository
anthropics/claude-plugins-official
Created
Oct 8, 2026
Updated
Oct 8, 2026
Files
18