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write-a-skill - Claude Code Plugin | ClaudePluginHub

Plugin

write-a-skill

Name: write-a-skill
Author: flight505

By flight505

Skill-author skill: create new agent skills with proper structure, progressive disclosure, and bundled resources. Enhanced from Matt Pocock's MIT-licensed write-a-skill (https://github.com/mattpocock/skills) with: (1) stdlib Python validation tools (description validator, structure validator, review-checklist runner), (2) 3 reference docs citing 5+ authoritative sources each (progressive disclosure principles, description design patterns, quality gates), (3) cs-skill-author persona agent + /cs:write-a-skill slash command. Matt's voice and 3-phase workflow (Gather → Draft → Review) preserved verbatim per his MIT license. Use when user wants to create, write, build, or author a new agent skill.

npx claudepluginhub flight505/claude-skills-jesper --plugin write-a-skill

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Med: 0·Avg: 271

What's Inside

Slash Commands1

cs-write-a-skill

/cs-write-a-skill

/cs:write-a-skill <name-or-description> — Author a new agent skill with Matt Pocock's 3-phase workflow (Gather → Draft → Review). Runs 6 review-checklist items + 3 validator tools as a gate. Use when starting a new skill in this repo.

Agents1

cs-skill-author

/cs-skill-author

Skill-author persona. Forcing-question interrogator before any new-skill commit. Runs Matt Pocock's 6-item review checklist as a 6-question gate. Refuses to accept skills with stale time-bound claims, vague descriptions, missing "Use when" triggers, or SKILL.md > 100 lines without progressive disclosure.

Skills1

write-a-skill

/write-a-skill

Create new agent skills with proper structure, progressive disclosure, and bundled resources. Use when user wants to create, write, build, or author a new skill.

README

claude-skills-jesper

Personal curated marketplace of Claude Code skills, agents, personas, and commands.

Content sources:

upstream/ — vendored copy of alirezarezvani/claude-skills via git subtree (268+ skills, 33 agents, 7 personas, 54 commands)
skills/ — first-party additions (21-toolkit survivors and anything I author)

Install layer: forge — registered as a marketplace-local source during dev, marketplace-remote once pushed.

Layout

.claude-plugin/marketplace.json   ← single merged catalog (generated)
skills/                           ← first-party skills
upstream/                         ← git subtree of alirezarezvani/claude-skills
scripts/
  regenerate-marketplace.py       ← rebuilds marketplace.json from upstream/ + skills/
  sync-upstream.sh                ← git subtree pull --squash + regenerate
  upstream-changelog.py           ← list added/removed/changed since last sync

Workflow

# Pull latest upstream + regenerate marketplace
./scripts/sync-upstream.sh

# Manually regenerate without pulling
python3 scripts/regenerate-marketplace.py

# Preview what a sync would change
python3 scripts/upstream-changelog.py

Install via forge

forge source add claude-skills-jesper \
  --kind marketplace-local \
  --path ~/Projects/Dev_projects/Claude_SDK/claude-skills-jesper

forge list --type skill
forge install <name>

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write-a-skill

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What's Inside

README

claude-skills-jesper

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Install via forge

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