Prompt Master — ChatGPT Plugin

A private ChatGPT plugin adaptation of nidhinjs/prompt-master, originally authored by Nidhin Joseph Nelson.

Use case

Write, diagnose, improve, simplify, split, or adapt prompts for language models, coding agents, image/video generators, research assistants, and automation tools.

Core functionality

• Identifies the target tool and surface before selecting prompt structure.
• Extracts task, context, constraints, output format, audience, and success criteria.
• Uses 14 reusable prompt structures for common tasks.
• Diagnoses 37 common prompt failure patterns.
• Adds scope limits, stop conditions, and approval gates for agentic workflows.
• Avoids hidden-reasoning requests, credential exposure, fabricated model settings, and ungrounded citations.
• Produces one concise, ready-to-paste prompt by default.

Original source

• Repository: https://github.com/nidhinjs/prompt-master
• Original license: MIT
• Original skill and reference content adapted and reorganized for the portable Agent Plugins format.

Structure

• plugin.json — plugin metadata and ChatGPT presentation.
• skills/prompt-master/SKILL.md — main workflow and behavioral instructions.
• skills/prompt-master/references/templates.md — reusable prompt templates.
• skills/prompt-master/references/patterns.md — diagnostic checklist.