PromptVault

What it does

PromptVault is a library of 100 battle-tested AI prompts for legal, finance, marketing, engineering, HR and more. 15 prompts are free forever — no signup needed. Upgrade to Pro for all 100.

200+ battle-tested AI prompts for legal, finance, marketing, engineering, HR, product, and research professionals. Free tier with 15 prompts — no credit card required.

A curated library of 200+ AI prompts across Legal, Marketing, Sales, Engineering, Finance, HR, Product, and Research. 15 prompts are permanently free — no account or credit card required. PromptVault is a structured prompt library built for working professionals who need reliable, repeatable AI outputs. Every prompt is written with a specific role, task, and output format — so you paste, fill in your context, and get professional-grade results. Categories include Legal, Marketing, Sales, Engineering, Finance, HR, Product, Research, and Productivity. Extract risk clauses, flag unusual terms, and score overall contract safety. Gives you an executive risk summary with protective amendment…from aiopentec.github.io

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  PromptVaultNov 2025 · ▲7

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  PromptVaultJul 2026 · prompt-vault-mu-tawny.vercel.app · ▲4

  Expert-engineered AI prompts that actually works

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  PromptVault ProJul 2026 · momentumstudio2026.sell.app · ▲5

  The offline AI Prompt Operating System that runs anywhere.

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  PromptVault by VisprJul 2026 · vispr.gumroad.com · ▲5

  Research-grounded AI prompt systems. Built to a top standard

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