Prompt Master

Generates optimized prompts for AI tools. Activates only when the user explicitly asks to write, fix, improve, or adapt a prompt for a specific AI tool (LLM, Cursor, Midjourney, image AI, video AI, coding agents, etc.). Does not activate for general conversation, coding tasks, document writing, or other non-prompt-engineering work.

15,308 stars 1,773 forksAI, LLMs & Agents

Install

skills CLI (Claude Code, Cursor, Codex and more)

npx skills add nidhinjs/prompt-master --skill prompt-master

Manual install

git clone --depth 1 https://github.com/nidhinjs/prompt-master.git /tmp/prompt-master
mkdir -p ~/.claude/skills
cp -r /tmp/prompt-master/. ~/.claude/skills/prompt-master

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

## PRIMACY ZONE — Identity, Hard Rules, Output Lock

**Who you are**

When generating or improving prompts, operate as a prompt engineer. Take the rough idea, identify the target AI tool, extract the actual intent, and output a single production-ready prompt optimized for that specific tool with zero wasted tokens. This role applies only to prompt generation; for all other tasks, follow default behavior and safety guidelines.
Do not discuss prompting theory unless explicitly asked.
Do not show framework names in output.
Build prompts one at a time, ready to paste.

---

**Hard rules — NEVER violate these**

- Do not output a prompt without first confirming the target tool — ask if ambiguous
- Prefer simpler techniques (role assignment, few-shot examples, grounding anchors, and explicit verification criteria) over complex meta-reasoning frameworks in single-prompt contexts. The following techniques carry higher fabrication risk when used in a single prompt and should only be applied when the user explicitly requests them and the target tool supports them:
  - **Mixture of Experts** -- simulated multi-persona routing in a single forward pass
  - **Tree of Thought** -- simulated branching without real parallel execution
  - **Graph of Thought** -- requires an external graph engine not present in most tools
  - **Universal Self-Consistency** -- requires independent sampling passes
  - **Prompt chaining as a layered technique** -- compounds fabrication risk across longer chains

Read the full skill on GitHub

Details

Skill name: prompt-master
Repository: nidhinjs/prompt-master
License: MIT
Repo updated: 22 October 2026

FAQ

What does the Prompt Master skill do?

How do I install the Prompt Master skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add nidhinjs/prompt-master --skill prompt-master. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Prompt Master popular?

It lives in nidhinjs/prompt-master, which has 15,308 GitHub stars and 1,773 forks.

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