Framework

Langchain agents

8,655 Langchain AI agents indexed on MeshKore — the most complete public catalog, ranked by popularity and updated daily.

8,655 agents · ranked by popularity · refine in the directory →

Langchain agents — page 87 of 87

langgraph-checkpoint-supabase

LangGraph checkpoint saver backed by Supabase (Postgres via PostgREST).

langgraph-store-upstash

LangGraph BaseStore implementation backed by Upstash Redis (REST client).

langgraph-ucashpay

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

launchdarkly-ai-langchain-agents

LangChain/LangGraph agent handler for LaunchDarkly AI SDK

launchdarkly-ai-langchain-messages

LangChain messages handler for LaunchDarkly AI SDK

maximem-synap-deepagents

Synap memory integration for deepagents — a memory backend, retrieval middleware, and tools

needlepath-langchain

Needlepath context selection for LangChain agents (AgentMiddleware) and LangGraph.

news-sentiment-agent

News sentiment scores (positive/negative) as a ready-made tool for LangChain, CrewAI, AutoGen, and any tool-calling AI agent. Weekly or daily series, period-over-period growth. Powered by trendsmcp.ai

news-volume-agent

News article mention volume as a ready-made tool for LangChain, CrewAI, AutoGen, and any tool-calling AI agent. Weekly or daily series, growth percentages. No media database subscription. Powered by trendsmcp.ai

npm-trends-agent

npm download trends as a ready-made tool for LangChain, CrewAI, AutoGen, and any tool-calling AI agent. Weekly download series, growth percentages, and live trending packages. Powered by trendsmcp.ai

openai-io

轻量级的 OpenAI 大模型 IO 库:chat / completions / embeddings,基于 httpx,langchain 风格 message

ragmesh

Retrieval as a mesh of MCP services — an agentic RAG platform built on LangGraph. Under active development.

reddit-trends-agent

Reddit mention volume as a ready-made tool for LangChain, CrewAI, AutoGen, and any tool-calling AI agent. Weekly series, growth percentages, and live Reddit trending posts. No OAuth. Powered by trendsmcp.ai

rusty-agent-runtime

Zero-dependency, stdlib-only Python client for rusty-server (threads, runs, SSE streaming, time travel, assistants, crons, KV store, durable tasks)

saihm-langgraph

Long-term memory for LangGraph your users own — a drop-in BaseStore, portable across every model, sealed client-side, and provably erasable (GDPR Art. 17).

solar-forecast-langgraph

LangGraph workflow for solar forecasting with OpenMeteo, historical data, and inverter-control integration

steam-trends-agent

Steam concurrent player data as a ready-made tool for LangChain, CrewAI, AutoGen, and any tool-calling AI agent. Weekly series, growth percentages, and live trending games. Powered by trendsmcp.ai

visibleagent

Plain-English observability for AI agents — live dashboards, replay, and one-line LangGraph auto-instrumentation, metadata-safe by default.

@openuidev/langchain

LangChain and LangGraph integration primitives for streaming OpenUI generative interfaces

@morsehq-dev/sdk

Unified observability for AI agents and infrastructure. One SDK.

@techdigger/humanode-agentlink-langchain

Native LangChain tools for Agentlink read-only queries.

@telnyx/agent-toolkit

Telnyx Agent Toolkit for TypeScript — tools for OpenAI, Vercel AI SDK, and LangChain.js

@barlas_sdk/langchain-tool

Official LangChain & CrewAI Tool for Barlas Execution OS.

@aiet/adapter-langgraph

LangGraph Adapter for AI-Engineering-Toolkit (AIET)

@agentic-fullstack/postgres

PostgreSQL adapter and LangGraph checkpointer for agentic-fullstack.

@agentic-fullstack/engine

Execution engine for agentic-fullstack — runs LangGraph agents driven by a persistent timeline of events.

secretary-ai

Node.js SDK for building an MCP-powered virtual secretary with LangChain and LangGraph

agentavow-bridge-langchain

AgentAvow bridge for LangChain (formerly agentgraph-bridge-langchain) — register agents and graphs with the AgentAvow trust network

agentdeck-sdk

Declarative harness over the OpenAI Agents SDK and LangGraph: settings, capabilities, skills, runners, graph compilation, plug-in discovery.

agenteval-debugger

面向学习者的 AI Agent 执行调试器

agentshield-spend

A firewall for AI agent spending. 9 composable rules evaluated per-transaction in <1ms. Pure Python stdlib — zero dependencies.

attestify-langchain

LangChain toolkit for Attestify — governed AI loop execution, receipts, and audit trails

attestify-langgraph

LangGraph node integration for Attestify — governed AI loop execution, receipts, and audit trails

dma-langgraph

Thin LangGraph node helpers for DMA memory.

gandr-langchain

LangChain text to speech tool for the Gandr TTS API. First audio byte in 146 ms over the open internet, 116 ms p50 first audio, server side warm. 23 languages, every render watermarked.

gatecore-langchain

LangChain tools for GateCore marketplace discovery, procurement, and governed execution

gosce-authenticated-mcp-agent-aed9d5

JWT-gated LLM gateway: authenticate (bcrypt/JWT), then run a LangChain-on-Vertex Gemini completion. Unauthenticated calls are rejected.

gosce-llm-orchestration-agent-d0a1a1

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

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).

kafka-agent-bridge

Wire LangGraph and CrewAI agents into Kafka-backed event-driven systems.

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.

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