kh0pper

Extension Dev — Testing skill for Claude Code

Testing community

Develop, test, and publish Crow extensions (bundles, panels, MCP servers, skills).

How to install Extension Dev

Installs to ~/.claude/skills/kh0pper-crow-extension-dev/SKILL.md

Terminal

mkdir -p ~/.claude/skills/kh0pper-crow-extension-dev && curl -fsSL https://raw.githubusercontent.com/kh0pper/crow/HEAD/skills/extension-dev.md -o ~/.claude/skills/kh0pper-crow-extension-dev/SKILL.md

Restart Claude Code, or start a new session, for it to be picked up.

What Extension Dev does

name: extension-dev description: Develop, test, and publish Crow extensions (bundles, panels, MCP servers, skills) triggers:

build extension
create bundle
develop panel
new add-on for crow
publish extension tools:
crow-memory
filesystem

Extension Development Workflow

When to Activate

Building a new Crow extension, bundle, panel, or MCP server
Modifying an existing extension
Publishing an extension to the registry

**This skill covers extension-sp

Alternatives in Testing

Develop Web Game — Build and test web games iteratively using Playwright with time-stepping 14.6k ★
Ext Apps — Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP serve 1.9k ★
Agent Plugins Spec — Agent Plugins Specification v1.0.0 — A minimal standard for packaging agent extensions into distributable plug 1.2k ★