LangChain Antigravity

LangChain integration for Antigravity, providing support for Antigravity's LLMs within the LangChain ecosystem.

Installation

npm install langchain-antigravity

Usage

Authentication

The library supports interactive login and uses cached credentials.

import { interactiveLogin } from "langchain-antigravity";

// Run this once to authenticate
await interactiveLogin();

Chat Models

import { ChatAntigravity } from "langchain-antigravity";

const model = new ChatAntigravity({
  model: "antigravity-gemini-3-flash",
  temperature: 0.7,
});

const response = await model.invoke("Hello, how are you?");
console.log(response.content);

Features

• Support for Gemini and Claude models via Antigravity API.
• Integrated authentication flow.
• LangChain standard interface compatible.
• TypeScript support with full type definitions.

License

ISC