開発ツール
java-sdk
The official Java SDK for building Model Context Protocol servers and clients.
★ 3.7k スターMIT
ガイドを見る →aiは、vercelが公開しているオープンソースの開発ツールプロジェクトです（GitHub: vercel/ai）。GitHubスターは27,180、フォークは5,288で、NOASSERTIONライセンスの下で公開されています。GitHubでの最終更新は2026年10月8日です。
Vercel's AI SDK: the TypeScript toolkit for building AI apps and agents with any model provider
Decide what you want to achieve with ai and check the README on GitHub for requirements before installing.
Clone the repository from GitHub (or take the packaged install route in step 3 if the README offers one).
Follow the project's documented install commands — the Run section below lists the exact ones — and add any required API keys or models.
Work through the README's quickstart example end to end, then adapt it to your own project or data.
Switch models and providers without rewriting your generation code.
Generate text and type-safe structured objects from the same toolkit.
Tool calling and agent patterns are first-class parts of the SDK.
Streaming chat and generative-UI hooks/packages for React, and support for Svelte, Vue and Angular.
Official templates help scaffold common AI app shapes quickly.
The project even ships a skill (npx skills add vercel/ai) that teaches coding agents the SDK.
Get the AI SDK monorepo source and examples.
git clone https://github.com/vercel/ai.git
cd aiAdd the core package and the provider package for your model.
npm install ai
npm install @ai-sdk/openaiUse generateText (or streamText) with your provider key as shown in the README usage section.
# import { generateText } from 'ai';
# import { openai } from '@ai-sdk/openai'; // see README Usage for the full snippetai is maintained by the vercel organization/account on GitHub, together with open-source contributors, in the public repository vercel/ai.
Yes — the code is open source under the NOASSERTION license. Check the repository's LICENSE file for the exact terms before commercial use.
The SDK is free; model calls use your own provider API keys (OpenAI, Anthropic, Google and others), billed by that provider.
LangChain.js is a broad framework with chains and retrievers; the AI SDK is a leaner, provider-unified toolkit especially strong on streaming UI in the Vercel/React ecosystem.
Clone the repository from GitHub, follow the install commands in the Run section (taken from the project's README), and complete the documented quickstart example before adapting it to your own use case.
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