Genpower

Generate reliable, typed outputs from LLMs with schema validation and retry logic.

Genpower is a lightweight TypeScript library that helps developers integrate GenAI models like OpenAI, Gemini, and others into apps — with structured JSON output, schema validation (using Zod), and automatic retries if the model output is invalid.

Perfect for apps where you need reliable AI responses, not just raw text.

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Features

• Plug-and-play support for OpenAI (ChatGPT), Gemini (Google)
• Use Zod schemas to define and validate output structure
• Auto-retry when output doesn't match the schema
• Works in TypeScript/JavaScript apps (including React Native)
• Easy to extend to other providers

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Example

1const WeatherSchema = z.object({
2  location: z.string(),
3  temperature: z.number(),
4  condition: z.string(),
5});
6
7const generator = new PromptGenerator(
8  new OpenAIEngine("your-api-key"),
9  WeatherSchema,
10  "What’s the current weather in {city}? Return JSON with location, temperature, condition."
11);
12
13const result = await generator.generate({ city: "Berlin" });

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Install

1npm install genpower
2
3# or
4
5yarn add genpower

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Prerequisites

This package relies on Zod for schema validation and parsing.

Please install Zod in your project:

1npm install zod
2
3# or
4
5yarn add zod

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Documentation

Coming soon

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License

MIT — free for personal and commercial use

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Want to contribute or support?

If you're interested in collaborating, supporting further development, or sharing ideas, feel free to DM me on GitHub