Langchain agents

A modular library for advanced LLM orchestration, stateful RAG, multi-step agentic workflows, and tool use, built on LangChain.js.

One prompt. A full AI engineering team. Go lie on the couch.

Drop-in adaptive UI engine. Tracks user behavior, asks an agent for a CSS-level adaptation plan, mutates the live DOM in real time.

ZeroEval TypeScript SDK

Slidev addon and wrapper CLI for LangChain-powered slide authoring.

A full-stack, enterprise-grade Invoice Manager application leveraging modern AI orchestration (LangChain/LangGraph), RAG-based document querying, MCP servers for modular tool execution, and a React TypeScript frontend.

One command. Full context for your AI agent. Any editor. Install governance bundles with skills, PRD, AGENTS.md and GitHub Spec Kit.

AI-powered plugin scaffolding tool - Create full-stack applications with 7+ AI models, 50+ business integrations, and production-ready infrastructure

TypeScript SDK shim for My Compliance Center. Drop-in replacement for @anthropic-ai/sdk, openai, and @aws-sdk/client-bedrock-runtime with unavoidable governance enforcement.

AG-UI protocol HTTP endpoint adapter for Hono — aligned with Python add_langgraph_fastapi_endpoint

Persistent memory + tool-result intelligence for AI agents — TypeScript SDK. One install, all framework adapters, MCP server, CLI, and the agent skill.

AI-powered long-form content generation engine — novels, technical docs, courses & screenplays with multi-provider support, interactive sessions, and intelligent continuity tracking.

A plugin for integrating Warpads functionality with LangChain and CDP tools.

Integration LangChain with CozeLoop | 扣子罗盘 LangChain 集成

Trust verification for AI agent handoffs

Auth0 AI for LangChain

Non-custodial wallet toolkit for LangChain agents — EVM + Solana, spend limits, x402 payments, CCTP bridge

Policy enforcement and rollback for AI agent code edits

Framework adapters for the Agent Governance Toolkit (LangChain, CrewAI, OpenAI Agents, and more)

Retrieval access control and vector store policy enforcement for RAG pipelines

AMFS integration for LangChain

AMFS integration for LangGraph

LangChain integration for Engram — cognitive memory infrastructure for AI agents

Official LangChain / LangGraph integration for Thrindex — persistent semantic memory for AI agents.

LangGraph adapter for NCP: invoke NCP graphs as LangGraph nodes via ncp-mcp-server subprocess.

LangChain.js tools for Orizn Visa API — 39,585 passport-destination pairs in 15 languages

Quelvio for LangChain.js — your company's brain as a retriever and a tool.

Turn your LangGraph agent into a small fine-tuned model that runs with no orchestrator - near-frontier quality at a fraction of the inference cost.

Audit & Compliance SDK for AI Agents

LangChain Tools for ANP2 — where AI agents talk, share knowledge, build trust, and (when useful) trade (publish, query, post tasks, earn credit)

LangChain integration for Daftari — wrap a Daftari MCP vault as LangChain tools.

Multi-model orchestration for LangChain chat models: primary/secondary failover (resilience) and tier-split gather/compose (cost/latency), tool-calling preserved across both.

LangChain integration for Nomad headless browser engine — 700× cheaper than Chrome

LangChain tools for 2s.io — pay-per-call AI agent APIs on Base via x402.

LangChain embeddings for Forge, Voxell's hosted text-embedding API (turbo, pro, ultra tiers). Voxell's Ingot-8B-R3 ranks #1 for English on the public MTEB leaderboard.

Time-travel debugging for LangGraph agents — record, replay, fork, and catch regressions from a single SQLite file.

LangChain tool for generating My Magic Pencil live visual lessons

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

AI-powered code review tool that works as a LangChain Tool, powered by Groq.

Flux CLI - Connect LangChain agents to iMessage

Low-code framework for generating agentic AI systems from a prompt or spec

Dead-simple Groq LLM chaining in Python. Chain prompts with .step() — no LangChain needed.

Native LangChain chat models for OpenAI Codex subscription OAuth and OpenCode Zen/Go — no Node sidecar.

Core toolkit for LangGraph.js — provides agent templates, middleware, and utilities not included in @langchain/langgraph

LangChain adapter for cdr-kit — getLangChainTools(agent).

LangChain.js integration for PubMed API - search biomedical literature and retrieve article metadata

LangChain adapter for the Agent2Agent protocol.

Yandex integration for LangChain.js

LangChain integration for cascadeflow - Add intelligent cost optimization to your LangChain models

LangChain.js integrations for Google Cloud SQL for PostgreSQL

AgentCamp SDK — where agents train their own experts. Observe, train, shadow, and activate cheaper expert models behind your existing agents.

Multi-tenant agent memory framework powered by BECOMER — zero tokens, any LLM

Normalize LangChain, MCP, and multimodal content blocks into provider-ready text and image payloads.

Provider-agnostic persuasion guard built with LangChain and LangGraph.

LangChain-based read-only query layer for LightRAG knowledge graph

A pluggable, self-correcting agentic RAG framework with MCP-native retrieval.

LangChain BaseChatModel adapter for @earendil-works/pi-ai — use Pi with any provider, model and auth. Includes a native opencode/Zen chat model (no pi).

Integration package for using LangChain with Supabase

MMCP — Multi-Model Context Protocol. Intelligent AI model routing with MCP server for Claude Desktop & Codex CLI. Auto-routes tasks to Claude, GPT, Gemini, DeepSeek, Llama with RL-based smart routing and cost optimization.

LangGraph JS adapter for Agent IAM

LangGraph adapter for @threadplane/chat — Angular bindings for LangGraph Platform.

MCP server that lets Claude, Cursor, LangGraph, and other agents record AI decisions to a tamper-evident ledger.

LangGraph-based decision graph for the CogStream agent. Receives behavioral episodes, runs interpretation, evaluates intervention triggers, builds interventions, and emits AG-UI events.

Cognitive-architecture AI coding agent — stateful LangGraph planner-critic loop, multi-tier memory, causal work graph, local-first routing, GitHub integration, eval harness, and plugin SDK

AAEP integration for LangChain agents via callback handler

Local-first, MCP-native multi-agent platform — job tracker + daily briefing for software engineers, with tracing, evals, and budgets.

LangChain callback adapter for AeroGraph — automatically record LangChain traces.

SparkNotes for your AI agents — log runs to AgentNotes with one pip install and env vars.

Reference Python agent for the LLMOps.Pro sovereign-AI substrate. Consumes the five MCP servers (nwc-mcp, nostr-ops-mcp, marketplace-mcp, albyhub-admin-mcp, paywall-mcp) and demonstrates the agent-pays-paid-MCP loop end-to-end. Ollama-first, API-pluggable. Built on pydantic-ai — no LangChain. MIT.

Lookspan adapter for LangChain / LangGraph — emits spans for chains, LLM calls, and tools.

Stream-optimized, x402-gated grounding retrievers for LangChain and CrewAI

Framework adapters for mosadd. Subpath exports: @mosadd/ai/vercel, @mosadd/ai/langchain, @mosadd/ai/openai, @mosadd/ai/anthropic. Single package, atomic releases (Stripe Agent Toolkit pattern).

MCP server for e2a — email for AI agents

Multi-agent AI system with memory and autonomous capabilities

TypeScript SDK for AgentDrive — cross-agent artifact workspace with provenance, semantic recall, and portable storage.

Production-readiness platform for AI agents — inspect, improve, and stress-test before you ship.

Docker-backed sandbox backend for DeepAgents

LangChain tools for easycome social media data APIs

LangChain integrations for Exabase memory

LangChain integration for the Diffbot Knowledge Graph and Extract APIs

Monty-backed code-interpreter middleware for LangChain agents

LangChain connector for Noxy human-in-the-loop — interrupt/resume with relay outcome polling via noxy-sdk.

LangChain tools for ZeroGPU: A compute-efficient inference provider for apps and agents — purpose-built small and nano language models on an edge network that run the repeatable tasks frontier models shouldn’t, ~10x faster and 50%+ cheaper. Auto-scaling, with zero GPU infrastructure. Plug in and you’re live.

LangGraph connector for Noxy human-in-the-loop.

LangChain tools for Mapsi geospatial APIs — geocoding, routing, isochrone, places

Noosphere Prime SIGMA Tools for LangChain — sovereign risk intelligence for AI agents

LangGraph source connector for OpenWright — capture agent decisions, tools, and human-in-the-loop approvals as evidence.

LangChain JS tools for SIGNA — wallet-signed cross-platform agent messaging on Base. Drop into a LangChain agent in 5 lines and it can send DMs, post to rooms, check on-chain hold-to-chat gates.

Drop-in Tessera integration for LangChain.js. One line of config routes your existing ChatOpenAI / ChatAnthropic / ChatMistralAI / ChatGroq / ChatCohere through Tessera's auto-route + auto-cache + auto-compress + auto-batch proxy.

Runtime governance for autonomous AI agents — per-run budget ceilings, loop detection, iteration limits, and kill switch. Works with LangGraph, CrewAI, OpenAI Agents SDK, or any agent framework.

Web UI for EvoScientist — a self-evolving AI scientist built on DeepAgents/LangGraph.

Dynamic UI runtime for any LangGraph agent: render live, pluggable cards (incl. custom HTML) from agent-emitted UI events.

LangGraph and Hono based orchestration service for EasyInk Assistant

Catch silent failures in your AI agents. TypeScript SDK for Pisama, the failure detector for vibe-coded agents (Cursor, Claude Code, LangGraph, Vercel AI SDK).

A LangGraph-powered gateway for multi-MCP agent workflows.

Entropy-based evaluation metrics for AI agent behavior, tools, trajectories, uncertainty reduction, and robustness.

An integration package connecting Firecrawl and LangChain

LangChain integration for Talor SERP API — 33 search engines in one tool

Deterministic governance middleware for LangChain agents — policy enforcement, cost limits, tool allowlisting, NHI scope controls, and SARIF audit evidence. No LLM in the governance path.

LangChain integration for thalam. — one OpenAI-compatible endpoint for every leading AI model.