Prompt Master

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Universal prompt engineering engine and Claude skill that generates high-precision, token-efficient prompts for coding agents, LLMs, and image generators.

Country:
Global
Added On:
2026-09-17
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Prompt MasterPrompt Master
Prompt MasterOpen site

Prompt Master is an open-source prompt engineering engine and Claude skill created by Nidhin Joseph. Engineered under the philosophy that “the best prompt is not the longest, but the one where every word is load-bearing,” Prompt Master eliminates conversational fluff and token waste to produce one-shot, high-precision prompts for AI coding agents, foundational LLMs, and generative image models.

Core Problem & The Load-Bearing Prompting Engine

Most AI users burn credits through repetitive prompting cycles: writing vague instructions, receiving incorrect outputs, re-prompting, and finally converging on an answer after multiple wasted iterations. Prompt Master resolves this by running a structured 8-step pipeline:

  • Target Architecture Detection: Automatically identifies target systems (Cursor, Claude Code, GPT-4o, o1/o3, Midjourney, ComfyUI, ElevenLabs) and applies their native formatting dialect.
  • 9-Dimensional Intent Extraction: Parses tasks across 9 key facets—task, inputs, expected output, hard constraints, context, target audience, memory retention, success criteria, and few-shot examples.
  • Token Efficiency Audit: Systematically purges filler words, polite preambles, and conversational fluff that consume context window space without altering the output.
  • Model-Specific Framework Routing: Maps requests to structural XML tags for Claude, visual parameter locks (--v 6 --ar 16:9 --style raw) for Midjourney, or strict markdown specifications for AI software engineers.

Supported AI Tools & Ecosystems

Category Supported AI Platforms Applied Prompt Architecture
AI Coding Agents Cursor, Claude Code, Windsurf, Bolt.new, v0, Lovable, Devin Strict Design Specs, Stack Locks, File Trees, Vanilla/Modular Guidelines
Reasoning LLMs Claude 3.7 / 3.5 Sonnet, OpenAI o1/o3, GPT-4o, Gemini 2.0, Grok Semantic XML Tagging, Role Anchoring, Few-Shot Grounding
Generative Media Midjourney v6, Stable Diffusion, ComfyUI, DALL-E 3, Runway, Sora Comma-Separated Visual Descriptors, Camera & Lighting Specs, Negative Prompts
Automation & Workflows Zapier Central, Make.com, n8n AI Nodes Structured JSON Schema, Strict Conditionals, Deterministic Output Controls

Installation & Setup

Prompt Master can be installed into Claude.ai or cloned into local developer environments:

  1. Claude.ai (Web UI): Download the repository ZIP file from GitHub, navigate to Claude.ai → Sidebar → Customize → Skills → Upload a Skill, and upload the archive.
  2. Claude Code CLI (Local): Clone directly into your local skills directory: 
    git clone https://github.com/nidhinjs/prompt-master.git ~/.claude/skills/prompt-master

Frequently Asked Questions

How does Prompt Master differ from standard prompt generators?

Most prompt generators inflate prompt length with unnecessary adjectives and conversational filler. Prompt Master does the opposite: it performs a token efficiency audit, stripping non-functional words and structuring instructions using machine-readable formats (like XML tags or visual parameters) to achieve reliable one-shot outputs.

Can Prompt Master optimize existing, poorly performing prompts?

Yes. You can paste an existing prompt and instruct Prompt Master to audit and refine it. It identifies ambiguous phrasing, fixes negative constraints, and restructures the logic for your target AI model.

Is Prompt Master completely free and open-source?

Yes. Prompt Master is an open-source project hosted on GitHub under the MIT License, free for both personal and commercial use without subscription fees.

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