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What is Prompt Lockbox ?

As language models become central to our applications, the prompts that control them are often treated as an afterthought—scattered across code, text files, and documents. This chaos leads to inconsistency, lost work, and a lack of security for your most critical AI assets.

Prompt Lockbox is a command-line tool and Python SDK designed to fix this. It provides a professional framework for bringing structure, security, and version-controlled management to your entire prompt engineering workflow, transforming your prompts from simple text into robust, reliable, and manageable code.
Quick Tip!As all project configuration and state are stored in centralized files, you can use the CLI or SDK interchangeably. Actions performed with one are immediately reflected when using the other.

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What problems does it solve ?

Here’s what it fixes for you -
  • Problem: Your team’s best prompts are lost in a chaotic mess of text files, Slack messages, and Google Docs. No one knows where the “official” version is, leading to confusion and duplicated effort
  • Solution: It creates a centralized and structured library, making it effortless for your entire team to find and use the correct prompt.
  • Problem: You tweak a great prompt and accidentally make it worse, with no way to go back to the version that worked.
  • Solution: It provides Git-like versioning for prompts. Safely create new versions and manage modifications, just like code.
  • Problem: A critical prompt is changed without approval, breaking your application and causing unpredictable outputs..
  • Solution: It lets you lock and secure key prompts. The system instantly detects any unauthorized edits, ensuring production reliability.
  • Problem: Your team wastes time building prompts that already exist because they’re impossible to find.
  • Solution: It makes your entire library instantly searchable. Find what you need in seconds with powerful, context-aware search.
  • Problem: You write a brilliant prompt but have no time to document it, making it unusable for others (or your future self).
  • Solution: It uses AI to automate documentation. One command generates a clear description and search tags, turning your prompts into reusable assets.

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Prompt Format

Let’s have a quick look on how it creates an awesome prompt. 
from prompt_lockbox import Project
project = Project()

new_prompt = project.create_prompt(
  name="Email-agent",
  version="1.0.0",
  description="Create a persuasive email template for small tech business owners to promote a chatbot product.",
  namespace=["email-tools", "ai-agent"],
  tags=[
      "email",
      "persuasive",
      "small business",
      "tech industry",
      "chatbot"
  ],
  author="ananya868 <ananya8154@gmail.com>",
  intended_model="gpt-9",
  model_parameters={
      "temperature": 0.7
  },
  linked_prompts=[
      "email-monitor-agent",
      "client-scrapper-agent"
  ],
  notes="Do not use in production before testing!"
)
The above code creates a prompt template with metadata. Go ahead and plug in your actual prompt. Here’s the final version: Prompt Template

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Core Features in a nutshell

A brief look at what Prompt Lockbox can do for you.
This is just an overview of the features. Please checkout Use Cases for detailed usage !

Standardized Structure

Define every prompt in a clean, lintable YML format. This enforces consistency, separates logic from metadata, and makes your entire prompt library easy to understand and maintain.

Python SDK Integration

A lightweight and intuitive Python SDK allows you to seamlessly load, render, and execute your version-controlled prompts directly within your applications.

Versioning & History

Treat your prompts like code. Create new versions with semantic versioning (v1.0.0 -> v1.1.0) to build a complete audit trail and safely experiment without breaking what works.

Integrity & Security

Lock your production-ready prompts to protect them from accidental or unauthorized changes. The framework will instantly detect any tampering, ensuring application’s reliability.

Powerful Search

Stop reinventing the wheel. Instantly find any prompt in your library with fuzzy, keyword, or advanced semantic search that understands the intent behind your query.

AI Features

Let AI do the tedious work. Automatically generate documentation, get expert critiques on your prompts, and receive suggestions for improvement, all from a single command.

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Quickly Access Documentation

Quickstart

Get started with the framework.

Basics

Learn the essentials of this toolkit.

Use Cases

Explore advanced features and use cases.

API Reference

Complete technical docs for the CLI and Python API.

Contribution

Contribute to this toolkit.
To contribute to this open source toolkit. Please follow guidelines described at Contribution !

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Next Steps

Here’s how to install and get started with the toolkit -

Quickstart

Setup the toolkit and explore the basics.