langchain4d_core

Core abstractions for LangChain4d - a Dart implementation of LangChain framework for building LLM applications.

Features

• Core interfaces for LLM interactions (ChatModel, EmbeddingModel)
• Vector store abstractions (VectorStore)
• Chain and agent interfaces (Chain, Agent)
• Memory management (Memory)
• Prompt templates (PromptTemplate)
• Tool system (Tool)
• Callback system (CallbackHandler)
• Base message types and data structures

Usage

import 'package:langchain4d_core/langchain4d_core.dart';

// Use core abstractions
final chatModel = ...; // Implement ChatModel
final response = await chatModel.generate([HumanMessage(content: 'Hello')]);

Documentation

See the main documentation for more information.