Framework

Langchain agents

9,311 Langchain AI agents indexed on MeshKore — the most complete public catalog, ranked by popularity and updated daily.

9,311 agents · ranked by popularity · refine in the directory →

Langchain agents — page 90 of 94

langchain-1claw

LangChain integration for 1Claw — HSM-backed secrets, signing, memory, and automations for AI agents

langchain-agentgate

Gate any LangChain tool behind human approval in Slack or Microsoft Teams, via AgentGate.

langchain-lexmex

Tool de LangChain para consultar LEX-MEX (leyes federales mexicanas con IA).

langchain-opensolr

LangChain integration for Opensolr — managed Apache Solr with server-side embeddings and hybrid (BM25 + kNN) search

langchain-polardb-pg

LangChain integration for PolarDB for PostgreSQL

langchain-tendem

Human-in-the-loop for LangChain agents — price-capped tools that delegate work to vetted human experts via Tendem, polling in plain Python (no LLM, no tokens) until the verified result returns.

langgraph-agentram

AgentRAM-backed long-term memory for LangGraph and LangChain: a BaseStore plus agent-callable memory tools, no vector database.

langgraph-ucash

LangGraph nodes/tools to monetize graph steps via U.CASH (HTTP-402). Non-custodial.

llm-agent-trace

Zero-dependency LLM call tracer — patch once, trace everything

memstrata-langchain-conversational

LangChain retriever integration for MemStrata Conversational Memory

memstrata-langchain-governance

LangChain audit callback integration for MemStrata Governance

ssw-agent

OpenClaw-like personal AI assistant MVP built with LangChain Deep Agents

tati-langchain

Framework-agnostic AI/LangChain engine: OpenAI/Anthropic/Bedrock chat models, Pydantic structured outputs, tool-calling agents, and pure cost calculators.

useagentgate

Slack-native approval queue for AI agents

vigilagent-sdk

Monitor, debug, and optimize your AI agents. Track LLM calls, costs, latency, and tool usage in real-time.

stepglass

See exactly what your AI agent did. Lightweight tracing + a local dashboard for debugging LangChain agent runs.

@gaunt-sloth/core

Core utilities and types for Gaunt Sloth

@smartagentkit/langchain

LangChain integration for SmartAgentKit — AI agent smart wallet tools

n8n-nodes-openrouter-chat-model

Custom n8n OpenRouter Chat Model sub-node with JSON options support (reasoning, max_tokens, etc.) for use with AI Agents and Chains.

@gosce/structured-output-mcp-agent-langchain-core

Turn a prompt + a field schema into validated, typed JSON (Instructor over Gemini 2.5 Flash on Vertex AI).

kojiru-langchain

Kojiru Recourse Layer™ tools for LangChain — plug-and-play credit primitives (ACS™, stake, slash, draw, anchor, records) as native LangChain StructuredTools.

@thinkhive/sdk

ThinkHive SDK v4.0 - AI agent observability with business metrics, ROI analytics, and 25+ trace format support

@slauth.io/langchain-wrapper

Reusable wrapper of langchain

endee-langchain

Langchain integration with endee vector database.

scrape402-langchain

An x402-gated web scraper tool for LangChain agents, powered by Algorand.

n8n-nodes-llm-observability

n8n community nodes: Standalone AI Agent with multi-provider LLM support and integrated Langfuse/Phoenix/Helicone observability

@fractalai/agent-passport-mcp

Model Context Protocol (MCP) server to ISSUE and independently VERIFY verifiable agent passports: ML-DSA-65 (NIST FIPS 204) signature verification + FRC-55 on-chain agent lookup on the FractalAI L1. Works with LangChain, CrewAI, AutoGen, OpenAI Agents — a

@tathaastu/ai

One tool adapter for the TathaAstu API, with bindings for every major agent framework

@lians-ai/lians

Cross-platform decision evidence and reconstruction for regulated AI agents

opencode-langgraph

Explicit LangGraph connector for OpenCode

@langgraph-toolkit/adapter-nestjs

NestJS binding for @langgraph-toolkit/core: GraphService + DynamicModule + @Sse() usage.

@langgraph-toolkit/core

Framework-agnostic Langgraph-Toolkit core: typed graph builders, state, execution, streaming, interrupts, models and agents for any backend host.

@langgraph-toolkit/adapter-struxjs

StruxJS binding for @langgraph-toolkit/core: ServiceProvider, AgentScanner, checkpoint, SSE.

@langgraph-toolkit/mcp

Typed MCP client integration for Langgraph-Toolkit with async credentials and framework-agnostic execution.

@langgraph-toolkit/adapter-express

Express binding for @langgraph-toolkit/core: SSE middleware and graph router.

@langgraph-toolkit/adapter-fastify

Fastify plugin for @langgraph-toolkit/core: graph routes with native SSE.

@langgraph-toolkit/community

Optional community model provider presets for Langgraph-Toolkit, including Hugging Face and OpenAI-compatible open-source deployments.

@inupedia/spotlight-server

Deployable LangChain and LangGraph runtime for Inupedia Spotlight

@langgraph-toolkit/adapter-checkpointers

Database checkpointers for @langgraph-toolkit/core: SQL (SQLite/Postgres/MySQL), Redis, MongoDB. Drivers are injected, so no database library is a hard dependency.

agent-experience

Event-sourced experience capture, validation, and reuse for AI agents.

agent-ledger-adapters

One-liner audit trails + policy enforcement for LangChain, LlamaIndex and OpenAI Agents — zero dependencies

agentstage-ui

Python-first UI layer for LangChain and LangGraph agents

areev-langgraph

Areev persistence for LangGraph: a BaseStore and a BaseCheckpointSaver over content-addressed, governable memory files

chap-langgraph

CHAP bridge for LangGraph: emit hash-linked audit envelopes around human-in-the-loop interrupts.

citadeldb-langchain

LangChain vector store and chat history backed by Citadel: encrypted at rest, with deletes that destroy the key

decimalai-langchain

DecimalAI's LangChain integration ships inside `decimalai` — run: pip install decimalai

errand-langgraph

Run LangGraph graphs as errand jobs — background execution, HITL resume, SSE streaming, smart retries, and an auto-generated FastAPI router.

gosce-llm-orchestration-agent-opentelemetry-api

Run a prompt through a LangChain (system + human) chain over Gemini on Vertex AI; optional LangSmith tracing.

graphgpt-builder

Declarative, extensible compiler from versioned YAML workflows to native LangGraph

kitaru-langgraph

LangGraph recording and replay adapter for Kitaru.

langchain-agenttrafficlab

LangChain middleware and two-stage dynamic MCP execution for Agent Traffic Lab

langchain-alphai

LangChain tools and retriever for AlphAI: AI-scored financial news and SEC Form 4 insider events.

langchain-blopus

An integration package connecting Blopus and LangChain

langchain-citemesh

Official LangChain & CrewAI integration for CiteMesh x402 citation settlement and anti-hallucination claim anchoring.

langchain-context

LangChain tools for Context.dev web data, brand intelligence, monitors, and batches

langchain-decimalai

DecimalAI's LangChain integration ships inside `decimalai` — run: pip install decimalai

langchain-eisfi

LangChain middleware for the EISFI Weaver integrity chain: a tool call whose integrity precondition fails is never executed.

langchain-opensearch-py

Placeholder for the LangChain integration with OpenSearch (langchain-opensearch-py). Real integration is under active development.

langchain-reserp

Minimal LangChain tool for the Reserp Google Search API v2

langchain-sandbox-opensandbox

OpenSandbox sandbox backend for LangChain Deep Agents — run agent-generated code and file operations in an isolated OpenSandbox environment.

langchain-tacnode

Tacnode integration for LangChain and LangGraph — multi-modal retrieval and a drop-in agent stack on one hybrid SQL plane

langchain-tokportal

LangChain / LangGraph integration for TokPortal — managed TikTok, Instagram and YouTube accounts as tools (native tools + remote MCP server).

langchain-xns

LangChain document loaders and byte store for XNS — S3-compatible object storage with $0 egress

langgraph-checkpoint-cli

A terminal CLI for browsing LangGraph checkpoints — list threads, walk state history, inspect and diff checkpoints, no code required.

langgraph-context-mcp

MCP server that parses LangGraph Python codebases into a structural graph model and layers local semantic search on top.

langgraph-dynamodb-store

A DynamoDB-backed BaseStore for LangGraph — cross-thread memory for agents, no Postgres/pgvector required

langgraph-scenario-lab

Behavioral scenario testing for production LangGraph applications

llm-metrics

Trace LLM calls with a decorator — non-blocking, fail-silent observability SDK.

nowledge-mem-langgraph

Identity-aware Nowledge Mem connector for LangGraph and LangChain agents

prism-langchain

Prism Network GPU tools for LangChain and LangGraph agents

prompt2agent-portable-runtime

Public standalone LangGraph runtime for Prompt2Agent workflow exports

pytest-agent-trace

pytest for AI agents — trajectory-level recording, replay and assertions for LangGraph/LangChain agents

render-langgraph

Zero-config LangGraph graph visualizer

tracegc-langgraph

LangGraph adapters for tracegc

@dltech/nestjs-langchain

NestJS-friendly LangChain utilities: decorator-based JSON Schema generation for tool/function calling, a streaming output parser for class-typed tool calls, LLM fallback chains, and an Observable adapter for LangChain streams.

n8n-nodes-universal-chatmodel

Production-oriented n8n community Chat Model for native Google Gemini and OpenAI-compatible APIs

langchain-yandexgpt

LangChain-YandexGPT provides an integration of YandexGPT with LangChain for Node.js

@decionis/langchain

Gate any LangChain.js tool or LangGraph.js node on a signed Decionis Decision Dossier.

@rollyjoely/mlflow-langchain

LangChain integration package for MLflow Tracing

langchain-pdfbot

A LangChain-based tool to answer questions strictly from PDF content using Groq LLM and local embeddings.

attestify-mcp

The only agent execution layer that enforces governance before consequences land. x402-native paid execution, financial control plane, immutable receipts, output verification, agent reputation, memory continuity, and Attestify Trust (no-wallet agent ident

@ourobx/shield

Kernel-level Zero-Trust Security SDK for AI Agents and LLMs via Agent-eBPF

@aegis-kernel/langchain

LangChain and LangGraph deterministic invariant tool guard

@countersign-ai/react

Drop-in approval inbox components for LangGraph human-in-the-loop agents

create-skein-js

Scaffold a skein-js project — the open-source LangGraph Platform alternative for TypeScript. Self-host your LangGraph.js agents in one command.

ai-cli-agent

Developer CLI and shared toolkit for the Enterprise AI Workspace (Angular studio, NestJS gateway, LangGraph agent-core). Includes architecture docs, gateway helpers, and an extensible Commander-based CLI.

@cortadel/langgraph

Cortadel long-term memory for LangGraph — a BaseStore implementation, memory tools, and automatic recall/persist graph nodes.

nexusgenesis-agent-keys-mcp

MCP server for NexusGenesis agent-keys — zero-code key management for Claude Desktop, Cursor, LangGraph

@skein-js/langgraph

The LangGraph.js binding for @skein-js/agent-protocol — wraps a compiled graph as an AgentGraph.

agent-boundary-scan

Static analyzer for confused-deputy vulnerabilities in MCP, LangGraph, OpenAI Agents, and CrewAI systems

agentaudit-python

EU AI Act Article 12 audit trails for AI agents

keycardai-langchain

LangChain integration for Keycard: delegated, per-tool-call access with brokered credentials

langchain-erc8004

LangChain tools for the ERC-8004 agent identity, reputation, and validation registries: resolve agents, read attributed trust signals, and build registry writes as execution plans.

langchain-footballcharts

LangChain tools for football-charts.com: tables, results, fixtures, model probabilities and Monte Carlo projections for 93 football leagues.

langchain-hydrafetch

LangChain integration for Hydrafetch. Load, search and extract clean web data for agents and RAG.

langchain-hyperlight

LangChain tool for executing untrusted code in Microsoft Hyperlight micro VMs (experimental, AI-generated)

langchain-inspire-hep

INSPIRE HEP tools and API wrapper for LangChain.

langchain-magic-hour

LangChain tools for Magic Hour: AI text-to-video, image-to-video and image generation (Sora 2, Veo 3.1, Kling 3.0, WAN 2.2, GPT-image, Nano Banana Pro, ...)

langchain-memorysync

MemorySync integration for LangChain: chat message history, memory tools, and recall context.

langchain-microsandbox

Microsandbox integration for Deep Agents

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