Skill

improve

Improve a whetstone skill based on an improvement spec. Analyzes the spec, understands the gap, makes a targeted edit to the skill, and tests the fix.

Install

npx claudepluginhub jobrien127/plugin-marketplace --plugin whetstone

Tool Access

This skill is limited to using the following tools:

Read Write Bash Grep

Preview

Execute an improvement spec to fix a whetstone skill.

SKILL.md

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Last CommitApr 24, 2026

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Skill Improver

Execute an improvement spec to fix a whetstone skill.

Steps

Read the improvement spec — ~/.whetstone/state/improvement-specs/improvement-next.md

What skill? What's the gap?
What evidence triggered the improvement?

Read the current skill — whetstone/skills/{skill}/SKILL.md

Understand the section to edit
Note existing behavior

Make the edit — Targeted fix to the identified section

Change behavior as specified
Preserve skill structure and tone
Test if there's a test case

Test — Run the test case from the spec

Check if output now satisfies the requirement
Verify no side effects

Update the spec — Mark as done

mv improvement-next.md improvement-completed-YYYY-MM-DD.md

Example

Spec: Skill route should handle "ambiguous" clarity → ask questions first.

Current: Route skips ambiguous cases.

Edit: Add "elif Ambiguous: ask questions" to Decision section.

Test: Run test case "ambiguous_requirements_test", verify output contains clarifying questions.

Skill Improver

Execute an improvement spec to fix a whetstone skill.

Steps

Read the improvement spec — ~/.whetstone/state/improvement-specs/improvement-next.md
- What skill? What's the gap?
- What evidence triggered the improvement?
Read the current skill — whetstone/skills/{skill}/SKILL.md
- Understand the section to edit
- Note existing behavior
Make the edit — Targeted fix to the identified section
- Change behavior as specified
- Preserve skill structure and tone
- Test if there's a test case
Test — Run the test case from the spec
- Check if output now satisfies the requirement
- Verify no side effects
Update the spec — Mark as done
- mv improvement-next.md improvement-completed-YYYY-MM-DD.md

Example

Spec: Skill route should handle "ambiguous" clarity → ask questions first.

Current: Route skips ambiguous cases.

Edit: Add "elif Ambiguous: ask questions" to Decision section.

Test: Run test case "ambiguous_requirements_test", verify output contains clarifying questions.