claudeindex
Plugin

1337-extension-builder

Build Claude extensions with quality methodology. Composes with plugin-dev and agent-sdk-dev for schemas. Use when: creating extensions, need quality validation, building for 1337 marketplace.

Installation

1

Add the marketplace

/plugin marketplace add yzavyas/claude-1337
2

Install plugins

/plugin

Run these commands in Claude Code to add this plugin to your environment. The marketplace must be added before you can install its plugins.