skill-creator

Creates new GBrain skills with conformant SKILL.md frontmatter, manifest, and resolver entries.

Updated Aug 17, 2026
One-click install
npx skills add https://github.com/AMC-JTC/gbrain-1 --skill skill-creator-amc-jtc
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: skill-creator
Source: https://github.com/AMC-JTC/gbrain-1/tree/main/plugin/skills/skill-creator
Command: npx skills add https://github.com/AMC-JTC/gbrain-1 --skill skill-creator-amc-jtc

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Building a new skill by hand risks inconsistent structure, missing frontmatter fields, and overlap with existing skills. This Skill standardizes skill authoring so every new skill follows the GBrain conformance standard and passes the conformance test suite. ## Core Features & Use Cases - Standardized Skill Generation: Produces SKILL.md files with required frontmatter (name, version, description, triggers, tools, mutating) plus Contract, Phases, Output Format, and Anti-Patterns sections. - MECE Overlap Check: Reviews skills/manifest.json and skills/RESOLVER.md to confirm no existing skill already covers the intended triggers before creating a new one. - Registry Updates: Automatically updates manifest.json and RESOLVER.md routing entries, then verifies the result with the skills-conformance test suite. - Use Case: When you notice a user intent with no matching skill, invoke this Skill to scaffold a conformant new skill, register it in the manifest and resolver, and validate it with bun test test/skills-conformance.test.ts. ## Quick Start Ask the agent to create a new skill for a missing capability, and it will check for overlap, generate the SKILL.md, and update the manifest and resolver.

Frequently Asked Questions about skill-creator

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

FAQPage Schema
How do I create a new skill for GBrain?

Invoke the skill-creator skill with the missing capability in mind. It runs a MECE check against existing skills, generates a conformant SKILL.md with frontmatter and required sections, and updates the manifest and resolver.

What sections must a GBrain SKILL.md contain?

A conformant SKILL.md needs YAML frontmatter with name, version, description, triggers, tools, and mutating fields, followed by Contract, Phases, Output Format, Anti-Patterns, and Tools Used sections in the body.

How do I avoid creating duplicate or overlapping skills?

Run the MECE check before authoring: review skills/manifest.json and skills/RESOLVER.md to see whether an existing skill's triggers already cover the intent. If so, extend that skill instead of creating a new one.

How do I verify a new skill passes conformance tests?

Run `bun test test/skills-conformance.test.ts` after creating the skill. The suite validates that the SKILL.md structure, frontmatter, and registry entries meet the GBrain conformance standard.

When should I extend an existing skill instead of creating a new one?

Extend an existing skill when its triggers or scope already cover the user intent you identified. Creating an overlapping skill violates the MECE principle and is listed as an anti-pattern in the skill-creator workflow.