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AI SDK by Vercel - build apps like ChatGPT, Claude, Gemini, and more with a single interface for any model using the Vercel AI Gateway or go direct to OpenAI, Anthropic, Google, or any other model provider.
- ai
- vercel
- sdk
- llm
- mcp
- tool-calling
- tools
- structured-output
- agent
- agentic
- generative
- genai
- chatbot
- prompt
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Open-source TypeScript/React library for building production-grade AI chat experiences
IBM Generative AI Node.js SDK (Tech Preview)
Property based testing for Jest based on fast-check
simplex-noise is a fast simplex noise implementation in Javascript. Works in node and in the browser.
Property based testing for Vitest based on fast-check
Deterministic avatar faces from any string. Lightweight, interactive, pure CSS. Works with any framework.
- facehash
- avatar
- react
- react-avatar
- nextjs
- next
- og-image
- image-generation
- deterministic
- generative
- profile-picture
- profile-avatar
- identicon
- hash
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Property testing for JavaScript
Generative property tests for Jasmine
Property based testing for AVA based on fast-check
Generative UI SDK
Component library for Generative UI SDK
A tiny engine for 3D voxel scenes rendered to SVG
A set of methods for the generation and transformation of number sequences useful in algorithmic composition
- serialism
- composition
- total
- algorithmic
- twelvetone
- melody
- pitch
- rhythm
- harmony
- chord
- progression
- sequence
- pattern
- note
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color palette generator mico-lib
A tiny, agent-native CLI for generating images, video and text with dead-simple commands, stdin support and predictable artifact outputs
Utilities for sketching in Canvas, WebGL and generative art
io-ts codec to fast-check arbitrary mapping
Generative property tests for Mocha
Color ramp generator using curves within the HSL color model