BlackStone Prompt Manager by Jun

Save, search, and inject prompts into AI chat interfaces with one click.

Available on Firefox for Android™

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About this extension

BlackStone Prompt Manager lets you build a personal library of reusable prompts and inject them directly into AI chat interfaces like ChatGPT, Claude, Gemini, DeepSeek, and more.

Features:
- Save prompts with titles, tags, and types (text, image, variable)
- Search and filter your prompt library instantly
- Inject any prompt into the active chat field with one click
- Variable support — use {{placeholders}} that prompt for input before injecting
- Mark favorites for quick access
- Full prompt manager with create, edit, duplicate, and delete
- Works across 15+ AI chat sites

No accounts, no cloud sync, no tracking. All data stays local in your browser.

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Permissions and data

Required permissions:

Access your data for claude.ai
Access your data for chat.openai.com
Access your data for chatgpt.com
Access your data for chat.deepseek.com
Access your data for gemini.google.com
Access your data for you.com
Access your data for www.perplexity.ai
Access your data for kimi.com
Access your data for www.kimi.com
Access your data for chat.z.ai
Access your data for qwen.ai
Access your data for chat.qwen.ai
Access your data for agent.minimax.io
Access your data for www.dola.com
Access your data for dola.com
Access your data for wenxin.baidu.com
Access your data for yiyan.baidu.com
Access your data for yuanbao.tencent.com
Access your data for www.doubao.com
Access your data for doubao.com

Optional permissions:

Access your data for claude.ai
Access your data for chat.openai.com
Access your data for chatgpt.com
Access your data for chat.deepseek.com
Access your data for gemini.google.com
Access your data for you.com
Access your data for www.perplexity.ai
Access your data for kimi.com
Access your data for www.kimi.com
Access your data for chat.z.ai
Access your data for qwen.ai
Access your data for chat.qwen.ai
Access your data for agent.minimax.io
Access your data for www.dola.com
Access your data for dola.com
Access your data for wenxin.baidu.com
Access your data for yiyan.baidu.com
Access your data for yuanbao.tencent.com
Access your data for www.doubao.com
Access your data for doubao.com

Data collection:

The developer says this extension doesn't require data collection.