yaniv-golan

Skill Creator Plus — Testing skill for Claude Code

Testing community

Based on Anthropic's skill-creator — with bug fixes, working Cowork support, and official best practices baked in.

How to install Skill Creator Plus

This entry records only its repository, not the path inside it, so there is no exact command to give. Open yaniv-golan/skill-creator-plus and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Skill Creator Plus does

Based on Anthropic's skill-creator — with bug fixes, working Cowork support, and official best practices baked in. Claude skill for creating, testing, and improving other Claude skills.

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README

Skill Creator Plus

[![Install in Claude Desktop](https://img.shields.io/badge/Install_in_Claude_Desktop-D97757?style=for-the-badge&logo=claude&logoColor=white)](https://yaniv-golan.github.io/skill-creator-plus/install-claude-desktop.html)

[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT) [![Claude Code Plugin](https://img.shields.io/badge/Claude_Code-plugin-F97316)](https://docs.anthropic.com/en/docs/agents-and-tools/claude-code/plugins)

The skill that builds skills. Write a draft, run evals against a baseline, review results in an interactive viewer, improve, and repeat — until your skill actually works. Based on Anthropic's official [`skill-creator`](https://github.com/anthropics/claude-plugins-official) plugin, with bug fixes and best practices baked in.

	Official `skill-creator`	`skill-creator-plus`
Best practices guide	—	620+ line Anthropic patterns reference
Script vs. Instruct guidance	—	Decision framework for when to bundle scripts vs. use instructions
Cross-host portability	—	Validates full agentskills.io spec + Claude-specific fields
Claude Code runtime docs	—	2.1.222 listing budget + per-skill degradation order, permission semantics, truncation caps, live-reload behavior
Eval viewer in Cowork	Silent fail on submit	Copyable JSON textarea (fixed)
Description optimizer	Requires separate `ANTHROPIC_API_KEY`; drifts toward 1,024-char bloat	Uses your existing `claude` session; length-aware selection + plateau early-stop
Benchmarking script	Silent empty results	Fixed directory handling
Skill type taxonomy	3 broad categories	3 + 9 Anthropic internal types
Pre-packaging checklist	—	Official checklist built in