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yzavyas
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build-extension-builder

Generate Claude cognitive extension scaffolds for skills, hooks, agents, commands, and MCPs.

7|3|Updated Dec 1, 2025
Search Tags:#Claude#build#quality#extensions#agent-sdk#workflows#plugin-dev
One-click install
npx skills add https://github.com/yzavyas/claude-1337 --skill build-extension-builder
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: build-extension-builder
Source: https://github.com/yzavyas/claude-1337/tree/main/plugins/1337-extension-builder/skills/build-extensions
Command: npx skills add https://github.com/yzavyas/claude-1337 --skill build-extension-builder

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Build-extension-builder enables rapid creation of high-quality Claude cognitive extensions. It targets extensions across skills, hooks, agents, commands, and MCPs while enforcing 1337 quality methodologies. It assumes tooling from plugin-dev and agent-sdk-dev and loads quality guidelines into startup context.

Core Features & Use Cases

  • Quality-driven scaffolding for skills, hooks, agents, and MCPs that aligns with plugin-dev and agent-sdk-dev standards.
  • Validation frameworks to catch design gotchas before shipping to the 1337 marketplace.
  • Rapid prototyping workflows for creating robust extensions with measurable quality.

Quick Start

  • Create a new extension scaffold using the standard skill template, integrate plugin-dev and agent-sdk-dev templates, and load the quality methodology at startup.

Frequently Asked Questions about build-extension-builder

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build Claude extensions that meet quality standards for the 1337 marketplace?▼

Build-extension-builder enforces 1337 quality methodologies during scaffolding for skills, hooks, agents, commands, and MCPs to ensure Claude extensions meet marketplace standards before shipping.

What's the best way to scaffold a Claude agent or hook with validation built in?▼

Quality-driven extension scaffolding generates agents or hooks using standard templates that integrate plugin-dev and agent-sdk-dev standards while loading quality guidelines at startup.

Do I need plugin-dev and agent-sdk-dev to create Claude cognitive extensions?▼

Yes, the extension builder assumes tooling from plugin-dev and agent-sdk-dev, integrating their templates and standards into the scaffolding process to ensure proper quality compliance.

Can I prototype and validate MCPs before publishing to a marketplace?▼

Rapid prototyping workflows and validation frameworks catch design gotchas in MCPs and other extensions before shipping to the 1337 marketplace, ensuring measurable quality.

How does the extension builder enforce quality during the development workflow?▼

The builder loads 1337 quality guidelines into startup context and applies validation frameworks throughout the scaffolding process to catch design flaws early in development.

Why should I use a quality-driven scaffolding tool instead of manually creating Claude skills?▼

Manual creation risks missing quality standards; the builder enforces 1337 methodologies, integrates plugin-dev and agent-sdk-dev templates, and provides validation frameworks to ensure robust extensions.

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