
Skill Creator
This is meta tooling for building and refining skills themselves. You walk through capturing intent, drafting the skill markdown, writing test cases, running evals, and iterating based on results. It includes a separate workflow for optimizing skill descriptions to improve triggering accuracy, which matters since Claude tends to undertrigger skills. The progressive disclosure guidance is solid: keep metadata tight, SKILL.md under 500 lines, and push detailed references into separate files. Most useful when you're systematically developing a skill rather than just hacking something together, though it adapts if you want to skip the eval rigor and just iterate by feel.
- skills.sh installs
- 2.8K
- GitHub stars
- 3.7K
- last updated
- Aug 21, 2026
Install
$ npx -y skills add ar9av/obsidian-wiki --skill skill-creator --agent claude-codeInstalls into .claude/skills of the current project.
Files
Skill Creator
A skill for creating new skills and iteratively improving them.
At a high level, the process of creating a skill goes like this:
- Decide what you want the skill to do and roughly how it should do it
- Write a draft of the skill
- Create a few test prompts and run claude-with-access-to-the-skill on them
- Help the user evaluate the results both qualitatively and quantitatively
- While the runs happen in the background, draft some quantitative evals if there aren't any (if there are some, you can either use as is or modify if you feel something needs to change about them). Then explain them to the user (or if they already existed, explain the ones that already exist)
- Use the
eval-viewer/generate_review.pyscript to show the user the results for them to look at, and also let them look at the quantitative metrics
- Rewrite the skill based on feedback from the user's evaluation of the results (and also if there are any glaring flaws that become apparent from the quantitative benchmarks)
- Repeat until you're satisfied
- Expand the test set and try again at larger scale
Sponsors
Details
- Repository
- github.com/ar9av/obsidian-wiki
- Categories
- Testing & QA, Documentation, Skill Development, Debugging, Office & Documents
- First seen
- May 16, 2026
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