LLM Framework

Opik TypeScript and JavaScript SDK integration with Vercel AI SDK

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n8n community node for Neo4j with vector search, auto-create indexes, dynamic dropdowns, and enhanced security

n8n node for Neo4j with LangChain integration, supporting vector stores and graph operations

LangGraph

n8n community node for OpenCode AI chat model integration

A langchain adapter for Huggingface transformers

This package offers a collection of nodes designed specifically for AI, databases, langchain, and much more.

Extra utilities and extensions for LangChain to enhance your AI development workflow.

Grok API wrapper for Node.js

LangChain tools for x402 Engine — pay-per-call AI, crypto, and storage APIs via HTTP 402 micropayments

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Vercel AI SDK extension of Agentkit (forked from Coinbase)

Agent Tool Hub: multi-protocol tool registry, PTC runtime, and adapter layer for MCP/LangChain/n8n/SKILL

ParallelWeb integration for LangChain.js

An open source and LangChain compatible Vector Store class for Turbopuffer. Store vectors in object storage for cheap.

LangChain.js provider integration for SiliconFlow (chat + embeddings).

n8n community node for Neo4j — vector search, graph DB, AI tool integration. Fixed version with no internal langchain dependency.

n8n community node package providing a LangChain tool for the Brave Search API.

Advanced n8n community node for intelligent document retrieval with multi-step reasoning, reranking, and comprehensive debugging