Framework

Langchain agents

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

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Langchain agents — page 84 of 94

budget-agent

Track AI agent costs, tokens, runtime and spending. Prevent runaway OpenAI, Anthropic, LangGraph and OpenRouter agents from exceeding budget.

agentarmour-toolkit

Production reliability suite for LangChain/LangGraph multi-agent systems

agentsave

Cut AI agent token costs. One line of code. Drop-in supervisor for LangChain, LangGraph, AutoGen, CrewAI, and Smolagents.

ai-sci-agent

Full-process autonomous scientific research agent — from literature search to LaTeX paper

educode-agent

Autonomous coding agent — local-first, RAG-aware multi-agent CLI

forgesight-adapters-langgraph

ForgeSight LangGraph adapter — auto-instrument LangGraph/LangChain agents via callbacks.

hotdata-langchain

LangChain tools for Hotdata runtime

hotdata-langgraph

LangGraph integration for Hotdata runtime

langchain-aneforge

LangChain embeddings that run on the Apple Neural Engine, via ANEForge (no CoreML).

langchain-babeltele

BabelTele: model-native, high-density text compression for LangChain pipelines and agents.

langchain-infino

LangChain integration for Infino — vector, BM25, and hybrid retrieval over one engine on object storage.

langgraph-checkpoint-tigris

Library with a Tigris object-storage implementation of LangGraph checkpoint saver, with zero-copy bucket-fork branching.

lc-agent-app

LangChain Agent framework with built-in Web UI

langchain-hyperspace

LangChain integration for HyperspaceDB

@nest-langchain/patterns

Decorators for provider collaboration and modern LangChain task patterns in NestJS.

@langchain/langsmith-pi-extension

LangSmith extension for Pi Coding Agent

@nest-langchain/langgraph

LangGraph decorators and discovery integration for NestJS.

hystersis

Persistent memory infrastructure for AI agents - Memory that adapts. Intelligence that compounds.

@painitehq/ai-budget

Track AI agent costs, tokens, runtime and spending. Prevent runaway OpenAI, Anthropic, LangGraph and OpenRouter agents from exceeding budget.

@proofledger/sdk

The model-independent trust layer for AI agents: verifiable identity, model provenance, tamper-evident SHA-256 audit chains, policy enforcement, and outcome verification. Framework-agnostic.

beacon-protocol-sdk

Node.js SDK for the BEACON Protocol - Agent Safety Layer

agentpave

The runtime-agnostic AI agent specification. Define once. Run anywhere.

axemere-gateway-langchain

Axemere AI Gateway LangChain integration — ChatAiGateway BaseChatModel

maigp-langchain

AIGP governance adapter for LangChain/LangGraph

raguard-security

Deterministic security middleware for RAG applications to prevent context exfiltration via indirect prompt injection.

rifft-langgraph

LangGraph adapter for Rifft

tencentcloud-cls-sdk-langchain

CLS observability SDK for LangChain/LangGraph — 6-layer span hierarchy, direct upload to Tencent Cloud CLS

verifiedworkflows-langchain

Human-in-the-loop review as agent tools for LangChain, CrewAI, LlamaIndex, and AutoGen.

@wesell/n8n-nodes-confirmx

n8n community nodes for the ConfirmX WhatsApp Business Platform Public REST API. Ships a Message node (start conversation with a template, send text/media) and a ConfirmX AI Agent node, both eligible as AI Agent tools via n8n's usableAsTool.

entrox-agent-brain

Lightweight AI Agent Runtime for Node.js

@walletprint/sdk

Behavioral transaction risk SDK for crypto wallets and AI agent wallets

@idevsec/creduent

The official JS/TS SDK for Creduent: the open standard and security protocol for cryptographic AI agent identity, authentication, and trust verification using Ed25519 and DNS.

n8n-nodes-spendguard

SpendGuard pre-call budget enforcement for n8n AI Agent workflows — drop a sub-node between Chat Model and AI Agent.

@ayberkaya/memshot

Tiered, token-budget-aware memory for any LLM agent

@lightfeed/extractor

Use LLMs to robustly extract and enrich structured data from HTML and markdown

@agent-inspect/langchain

LangChain.js / LangGraph callback adapter for AgentInspect local execution trees and Evidence workflows

@veil_/agent-registry

Agent-callable wrappers for Veil Protocol's quantum-resistant payments (x402-pqc) and private Ghost AI inference (circles) — MCP server, LangChain tools, OpenAI functions, and a REST API

@bradyprotocol/discovery-langchain

LangChain tool adapter for the read-only BRADY Discovery SDK — advisory routing and observation tools for agent workflows

@spendguard/langchain

LangChain TS callback handler for SpendGuard budget guardrails

@grantex/langchain

LangChain integration for the Grantex delegated authorization protocol

@nest-langchain/langsmith

LangSmith tracing module and decorators for NestJS.

telegram-agent-kit

Render markdown to Telegram, stream agent replies into live drafts, and drive a snapshot/rollback turn-loop — runtime-agnostic.

@nest-langchain/tools

NestJS decorators and discovery for LangChain tools.

@enprompta/instrument-langchain

Enprompta framework instrumentation for LangChain — emits typed, nested OpenTelemetry spans that Enprompta ingests as first-class Retrieval/Tool/Agent spans.

@yuno-payments/agent-toolkit

> AI framework integrations for the Yuno payment orchestrator

@nest-langchain/core

Thin NestJS registry and shared contracts for optional LangChain integrations.

@payduct/langchain

PayDuct spend-request tool for LangChain agents

@intelli-1113/stratos-sdk

Stratos AI agent telemetry (OpenLLMetry), Vercel AI auto-spans, LangChain inspect/fix, MCP proxy.

ai-agent-runtime

Runtime adapter that bridges agent frameworks (OpenAI SDK, LangChain) with production infrastructure

@ai-sdk/harness-deepagents

A [HarnessV1](../harness) adapter that runs [Deep Agents](https://github.com/langchain-ai/deepagentsjs) (LangChain's LangGraph-based agent harness) as a coding-agent runtime inside an AI SDK sandbox.

@nest-langchain/prompts

NestJS prompt registry helpers for LangChain prompt templates.

@paydirectv2/langchain

LangChain tools for PayDirect — enable AI agents to make payments, check balances, swap tokens, and manage wallets

@nest-langchain/openai-compatible

OpenAI-compatible provider tokens and model factory wiring for Nest LangChain.

@nest-langchain/gemini

Gemini provider tokens and model factory wiring for Nest LangChain.

@nest-langchain/visualization

Hosted graph documentation and layout APIs for Nest LangChain registries.

@nest-langchain/anthropic

Anthropic provider tokens and model factory wiring for Nest LangChain.

@unbrowse/langchain-js

Unbrowse as native LangChain JS tools. Three tools (resolve, execute, search) shaped exactly like LangChain's StructuredTool/DynamicStructuredTool — { name, description, schema (JSON Schema), invoke, call }. No zod dependency. Pass your own @langchain/cor

@ar.io/anchor-langchain

Anchor your LangChain.js agent's run tree as it executes: one callback handler turns every chain/LLM/tool step into a Merkle-batched, individually inclusion-proofed provenance record on ar.io — prompts and outputs are hashed locally and never uploaded.

n8n-nodes-nils-codex

Self-hosted n8n Nils Codex node via ChatGPT subscription device-code auth

@ayushkumar320/codebuddy

Local-first Markdown-backed MCP memory and automatic project-context engine for multi-agent coding, indexed with Postgres and pgvector.

agent-watchdog

Runtime loop and deadlock detection for multi-agent AI systems

@oasisomniverse/web6-api

Isomorphic (Node + browser) JavaScript/TypeScript client for the WEB6 OASIS AI Layer API v2.0 — 17 modules, 46 operations covering: unified AI completion across 20+ providers (OpenAI, Anthropic, Gemini, Grok, Mistral, SambaNova, OpenRouter, Together AI, P

commune-ai

Email infrastructure for agents — set up an inbox and send your first email in 30 seconds. Programmatic inboxes (~1 line), consistent threads, custom domains, attachments, and structured data.

costwright-mcp

MCP server: static worst-case token-budget analysis for LLM-agent workflows (LangGraph/CrewAI/OpenAI-Agents) + signed budget certificates.

@threadplane/middleware

Backend middleware for the Threadplane client-tools capability. The /langgraph entrypoint targets LangGraph.js.

@ofrnsb/mangolu

Portable plug-and-play agent SDK: invoke protocol, transports (http/local/ipc/langgraph), manifest + permission contract.

managed-deepagents

Managed Deep Agents — the `defineDeepAgent` authoring interface plus the CLI that compiles and deploys a code-first Deep Agent repository to a managed LangGraph runtime.

@peculis/provenance-langgraph

LangGraph.js capture adapter for Provenance

@helixid/langchain

HelixID middleware for LangChain and LangGraph — verifiable credential enforcement at agent execution boundaries with per-tool scope checking.

@studiomeyer-io/agent-fleet

Multi-agent orchestration framework for Claude Code CLI. Run agents in parallel (Conductor) or stateful workflows with crash-resume + Human-in-the-Loop (Conductor-LangGraph). Subscription-flat by default.

@openpipeline/nodes

Execution kernel (compiler, node-runner, registry, binding resolver) and built-in IF/LLM nodes for OpenPipeline.

@shailesh-714/git-bot

git-bot: an LLM-powered CLI assistant for conventional commits and branch names.

@openpipeline/core

Framework-agnostic execution kernel and interface contracts for OpenPipeline.

agent-composer

Deterministic workflows of agents — a Docker-Compose-shaped YAML for composing LLM / code / model / tool nodes into a runnable flow.

agent-defender

Provider-agnostic action defender SDK for AI agents

agentcontrolroom

The Reliability Layer for Autonomous AI Agents — full tracing, cost intelligence, guardrails, and quality evaluation.

agentdef

Portable AI agent definitions — validate, adapt, and import agent specs across frameworks (Claude, OpenAI, Cursor, GitHub Copilot, Microsoft 365 Copilot, Copilot Studio, LangGraph).

agentguard-platform

AgentGuard Python SDK — Runtime security for AI agents

agentic-fabric

Framework-agnostic agent orchestration with A2A, MCP, runtime adapters, and vendor-fabric tools

agentstate-reducer

Framework-agnostic message reducer for AI agent state management. Works with LangGraph, CrewAI, and plain dicts.

agentstep

Time-travel debugger and branch explorer for LangGraph AI agents. Capture execution traces, inspect LLM and tool calls, and branch from any point with overridden outputs.

agentx-kit

An open-source, provider-agnostic agentic framework + interactive project scaffolder for LangChain and CrewAI. Pick your LLM provider, agents, RAG, memory, MCP tools and skills — generate a ready-to-run uv project.

algovoi-keystone-langchain

Carry an AlgoVoi keystone decision into a LangChain run trace: a recomputable execution_ref under algovoi.keystone.*, verifiable offline

aoa-langgraph

LangGraph controller and actions for AOA.

bench-langchain

Bench adapter for LangChain — auto-instrument every chain, agent, and LLM call.

blacksands-bursar-langchain

LangChain tools for Blacksands Bursar

cortexdb-langchain

LangChain integration for CortexDB — long-term memory for AI systems

cwn-langchain-trust-gate

LangChain tools for Trust Gate post-quantum receipts — sovereignty gate, egress check, exit drill.

deepflow-agents

Streaming, declarative multi-agent workflows for Deep Agents.

extodan-agentsync

Drop-in LangGraph store that merges concurrent writes instead of silently dropping them.

gaas-langchain

LangChain and LangGraph integration for GaaS (Governance as a Service)

gosce-authenticated-mcp-agent-bcrypt

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

gosce-authenticated-mcp-traced-agent

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

gosce-llm-orchestration-agent-cryptography

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

gosce-llm-orchestration-jwt-agent

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

langchain-agentline

LangChain integration for AgentLine — give AI agents real phone numbers for calls and SMS.

langchain-chronoverify

LangChain tool for ChronoVerify: verify when a photo was taken and its provenance (C2PA Content Credentials, EXIF, pixel forensics).

langchain-claude-code-mimir

LangChain chat model wrapper for the Claude Code Agent SDK — Mimir distribution of langchain-claude-code with bundled adapter fixes (upstream PRs #2/#4/#6, unmerged). Import package remains ``langchain_claude_code``.

langchain-comply54

LangChain / LangGraph integration for comply54 — African AI agent compliance enforcement

langchain-docker-backend

Docker sandbox backend for AI agents - execute code safely in isolated containers

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