Langchain agents

NestJS foundation package with JSON:API, Neo4j, Redis, LangChain agents, and common utilities

E2E Testing Reinvented with AI - A powerful TypeScript browser automation framework using AI-powered testing with LangChain, OpenAI GPT-4o, and Playwright

Framework integrations for Agent Replay

n8n community node for OpenCode AI chat model integration

FriskAI TypeScript SDK

Langchain Toolkit extension of Agentkit (forked from Coinbase)

XAIP callback handler for LangChain.js — emits signed XAIP receipts for every tool call. Provider-agnostic trust layer, drop-in.

This is the langchain wrapper built for (Maxim JS SDK)[https://www.npmjs.com/package/@maximai/maxim-js].

Proviras tracing SDK for LangGraph and LangChain agents

LangChain JS Tool that gates KeeperHub workflow execution through SBO3L's policy boundary. Composable with @sbo3l/sdk.

Raindrop integration for LangChain

LangGraph agent module package for the GenAI AWS plugins for Backstage

Azure CosmosDB integration for LangChain.js

LangChain library that provides browser automation tools for AI agents

Pine Labs Agent Toolkit — Pine Labs payment APIs as tools for AI agent frameworks (OpenAI, LangChain, Vercel AI SDK, Anthropic Claude). Generated from the same OpenAPI spec that powers the Fern SDKs.

Third-party integrations for LangChain.js

OpenTelemetry GenAI tracing for LangChain/LangGraph JS with Azure AI Foundry and Application Insights

Guards, Evals & Observability for AI applications - works seamlessly with LangChain/LangGraph

A LangChain/LangGraph agent that codes like a senior software engineer — install globally, use anywhere

LangChain integration for Metorial - provides compatibility with LangChain for streamlined tool usage.

n8n community node for Berget AI. Multi-resource action node (chat, image analysis, rerank, speech-to-text) plus Chat Model, Embeddings Model, and Reranker sub-nodes that plug into n8n's built-in AI Agent and Vector Store nodes.

Maton Agent Toolkit - connect popular agent frameworks (LangChain, Vercel AI SDK, OpenAI) to the Maton MCP server.

NotiLens callback handler for LangChain.js — automatic run tracking, token metrics, and error alerting

Agentic adapter for the LangChain TS SDK.

LangChain integration for Hedera Agent Kit.

AI agent that collects daily standup updates, structures them into a professional MOM email, and sends via Zoho Mail MCP. Built with LangChain, LangGraph, and Groq LLM.

Synapse Client SDK -- Typed Solana RPC gateway with @solana/kit native types, 53 JSON-RPC methods, DAS, WebSocket, gRPC/Geyser parser, 110+ plugin-based AI tools (Token, NFT, DeFi, Misc, Blinks), MCP server & client, and x402 payments | Powered by oobepro

n8n community node — DeepSeek Chat Model (OpenAI-compatible API, thinking mode, ChatDeepSeek).

LangChain.js adapters for Model Context Protocol (MCP)

Deep Agents - a library for building controllable AI agents with LangGraph

LangChain.js integration for ClawDB retrieval, chat history, and tools.

Official SupraWall security integration for LangChain (TypeScript)

LangChain.js tools for Arenza — let any LangChain or LangGraph agent read AI visibility metrics, GEO opportunities, and brand mention data across ChatGPT, Claude, Gemini, Perplexity, Copilot, and Grok.

LangChain adapter for Mirage AI.

OpenCode plugin for tracing to LangSmith

icons from untitled ui for langsmith and langgraph frontend

TypeScript SDK for Silmaril Firewall — prompt injection and jailbreak detection

LangGraph adapter for HITL Kit. Emit schema-conformant HITL events from LangGraph interrupt() nodes and resume with typed Command payloads.

Framework-agnostic tool-call reliability boundary for LLM agents and gateways.

LangChain/AgentKit tool for Tag-per-Track API with x402 micro-payments

Official JavaScript/TypeScript SDK for the Execlave AI agent governance platform — tracing, policy enforcement, and framework auto-instrumentation for LangChain, OpenAI Agents SDK, CrewAI, Model Context Protocol, and OpenAI Chat Completions

LangChain JS tool factories for the iFlow Search API (web search, image search, web fetch). Built on @iflow-ai/search-core.

The **[AI SDK](https://ai-sdk.dev)** LangChain adapter provides seamless integration between [LangChain](https://langchain.com/) and the AI SDK, enabling you to use LangChain agents and graphs with AI SDK UI components.

Library for validating LangGraph checkpoint saver implementations.

Struct agent observability SDK — auto-instruments AI agent frameworks with OpenTelemetry

LangChain library that logs model inputs/outputs with customizable formatting

Multi-tier exact-match cache for AI agent workloads backed by Valkey. LLM responses, tool results, and session state with built-in OpenTelemetry and Prometheus instrumentation.

Atbash safety guard and audit nodes for LangGraph workflows

LangGraph.js / LangChain.js callback handler that emits Goderash audit events — tamper-evident, hash-chained, regulator-ready.

AWS DynamoDB implementation for LangGraph Memory Store and Checkpoint Saver in TypeScript

n8n community node — use Flair as your AI Agent's memory backend. Includes FlairChatMemory (Memory port) and FlairSearch (Tool port).

TypeScript client for Naty LangChain API with async file uploads, real-time progress tracking, and Chat support

A TypeScript SDK for interacting with Cardano blockchain agents

LangChain chat model for OpenAI via OAuth (ChatGPT Plus/Pro)

Authority-aware LangChain tool integration for Baseline.

LangGraph adapter for AG-Kit agents

LangChain retriever for Ask AI over published Sourcey docs sites.

Toolkit is an easy way to generate and use AI plugins. Generate code for LangChain plugins by just describing what they should do.

Create a LangGraph chat app with one command

Framework-agnostic agent security gateway — protect any AI agent with Veridex security packs, regardless of framework

Problem-name wrapper for Monarch Doctor: preflight safety for x402, Stripe, card, bank, wallet, stablecoin, paid MCP, and agent-payment code.

EDM enrichment layer for LangChain — governed emotional schema for any memory type

AI agent framework adapters for Chronary calendar tools

Tiny HTTP client for posting OC Agent envelopes (delegations, actions, revocations, sub-delegations) to console.ochk.io. Used by every framework adapter (@orangecheck/agent-anthropic, agent-openai, agent-vercel, agent-langgraph, agent-mcp).

n8n community node: Langfuse + OpenAI-compatible LLM provider

AgentMail Toolkit

The OpenAI adapters for nlux React, the React JS library for building conversational AI interfaces.

Spanlens SDK — agent tracing, LLM usage capture, and cost observability for TypeScript.

Runtime security SDK for AI agents — guard tool calls in 1 line

Unified AI coding assistant CLI - Manage Claude Code, Gemini & custom agents. Multi-provider support (OpenAI, Azure, LiteLLM, SSO). Built-in LangGraph agent with file operations & git integration.

The OpenAI adapters for nlux, the javascript library for building conversational AI interfaces.

Armalo AI integrations for OpenAI, Anthropic, Gemini, LangGraph, CrewAI — 2-line trust telemetry.

CLI for AgentVoy — scaffold, develop, and deploy AI agents across any framework

CornerStone MCP x402 skill for agents: tools to predict tickers, backtest strategies, link bank accounts, and query agent/borrower scores. Agents pay via Aptos/EVM (x402). Handles 402 → pay → retry. Publishable in marketplaces for autonomous download and

Spend control plane for autonomous agent payments. Anomaly detection (enforce/review/off), multi-agent budget pools with fleet policy inheritance, event sink for future hosted integration, and proof metrics. Zero dependencies.

ASG Agent Pay — the banking layer for autonomous AI agents. Multi-chain payments (x402 + MPP), virtual cards, policy engine, and wallet abstraction across 17 networks. The only SDK unifying Coinbase x402 and Stripe MPP protocols.

ASG Pay — the banking layer for autonomous AI agents. Multi-chain payments (x402 + MPP), virtual cards, policy engine, 15 networks. The only SDK unifying Coinbase x402 and Stripe Machine Payments Protocol into one npm install.

SDK for autonomous AI agents to hold, move, and pay on the Ergo blockchain. Policy enforcement, acceptance predicates, LangChain adapter.

AI Multi-Agent library for Javascript Developers.

Vendor-neutral Agent Orchestrator for developer workflows with LangGraph, AGENTS.md, and multi-agent pipelines

Researchify - A CLI multi-agent research assistant built using LangChain and LangGraph

Simulate how communities react to new rules, events, or policies — multi-agent simulation engine for TypeScript

LangGraph-based orchestrator for multi-agent pipelines over Claude Code CLI

AI Multi-Agent library for Javascript Developers.

AI-powered architecture documentation generator with RAG, hybrid retrieval (semantic + structural), and multi-agent workflows using LangChain

Production-ready TypeScript agent framework built on LangGraph with orchestration, middleware, and typed abstractions.

Fast TypeScript AI agent framework — per-request agents, 30+ model providers, 100+ integrations, 20+ vector DBs, 10+ databases, sessions, memory, knowledge, tracing, evals, HITL, teams, and workflows.

LangGraph-based AI agent framework

The serverless-native agent framework. Zero schema migration. Runtime contracts. Built-in analytics. RAG support.

Skills library for AI agents — payments, memory, RSI, wallet. Drop-in capability layer for any agent framework.

Adapter that wraps an [AG-UI](https://github.com/ag-ui-protocol/ag-ui) `AbstractAgent` into the runtime-neutral `Agent` contract from `@ngaf/chat`. Works with any AG-UI-compatible backend — LangGraph, CrewAI, Mastra, Microsoft Agent Framework, AG2, Pydant

Multi-Agent framework allowing NocoBase AI Employees to spawn and delegate tasks to specialized sub-agents with specific skills.

Framework adapters for ACM (LangGraph, Microsoft Agent Framework)

Agent framework integrations for OrmAI — Vercel AI SDK, LangChain, OpenAI, Anthropic, LlamaIndex, Mastra

Agent framework plugins for .agnt name resolution — LangChain, CrewAI, ElizaOS

Fold — Agent framework adapters for LangChain, LangGraph, and Vercel AI SDK

Self-improving agent framework powered by LangChain and LangGraph

Cryptographic security layer for AI agents. Ed25519 identity, signed messages, trust scoring. Works with LangChain, CrewAI, AutoGen, OpenClaw, or any agent framework.

An enterprise-grade AI agent framework based on LangChain and LangGraph, featuring dynamic tools, interceptors, breakpoints, and performance monitoring.