Prompt Vault

Local prompt library for ChatGPT, Claude, and Gemini with variables and slash insertion.

Prompt Vault is a fast local prompt manager for people who reuse prompts across ChatGPT, Claude, and Gemini. Save prompts with folders, tags, favorites, and variables. Type `//` in a supported chat input to open an inline palette, search your vault, fill variables, and insert the prompt without submitting it. Everything stays in Chrome storage. There is no account, no marketplace, no analytics, and no remote server. Features: - Local prompt vault with title, body, tags, folders, search, duplicate, delete, and pin. - Inline command palette on `chatgpt.com`, `claude.ai`, and `gemini.google.com`. - Variables: `{{name}}`, `{{name|default}}`, `{{date}}`, `{{selection}}`, and `{{clipboard}}`. - Per-prompt remembered variable values. - Context menu to save selected text as a prompt. - JSON and Markdown import/export. - English and Korean starter prompt pack. - Dark mode support.