Langchain agents

Veritell LangChain SDK

LangChain callback handler for Viatoris — emit a signed Viatoris receipt for every LangChain tool call

VideoSDK Agent Framework plugin for LangChain and LangGraph

Secure sandboxed code execution and agent toolbox

VM-X AI Langchain Python SDK

Python SDK for the Voidly Agent Relay — E2E encrypted agent-to-agent communication

LangChain tools for voidpay internal test credits, signed requests and x402 integration. Credits are not backed or redeemable.

Vystak framework adapter — generates LangChain/LangGraph agent code

LangChain tools for waveStreamer — a multi-agent builder-operator platform. Get waveStreamer prediction, research, and survey capabilities into every LangChain agent.

LangGraph-orchestrated AI agent framework for multi-domain entity management

Web Structured Data Extraction Agent

LangChain integration for WebCrawlerAPI

CLI coding agent powered by LangGraph — intent routing, task decomposition, hierarchical memory, and 11 built-in tools

The Wise Agent Toolkit enables the integration of various AI frameworks and libraries with Wise APIs to create and manage transfers programmatically.

AI-powered document transcription and semantic chunking for RAG pipelines

A config-driven, plug-and-play worker agent template built on LangGraph + FastMCP.

LangChain and LangGraph integration for Wren AI Core — attach a CLI-prepared Wren project to your agent in three lines.

wxai-langchain enables the use of IBM watsonx.ai in LangChain projects. This is not supported by IBM.

Framework-agnostic payer for the x402 HTTP payment protocol. Works with LangChain, CrewAI, AutoGen, LangGraph, or any other agent framework.

x402 payment integration for LangChain - Enable autonomous AI agent payments

26 AI agent tools in 2 lines. Web search, price feeds, Hive memory, on-chain tx simulation, LLM routing. Free tier, no credit card.

XAT signing for LangChain -- every tool call gets an Agent-Signature header. OpenAPI x-agent-trust.

xShieldAI / AEGIS DAN gate + budget guard for CrewAI agents — pre-execution governance via @xshieldai/aegis

xShieldAI / AEGIS DAN gate callback for LangChain agents — pre-execution governance via @xshieldai/aegis

LLM related tools

Convert YAML workflow files to LangGraph implementations

The @yeagerai Agent is used to create your custom LangChain Agents on-the-fly.

Useful classes extending langchain library

LangChain tools for policy-gated YieldAgentX402 execution — discovery, policy preview, receipt verification via the live MCP gateway. Proof: 16 tools, 18 chains, no custody, signed receipts.

helper functions for Ollama with Langchain

LangGraph utilities for Streamlit - StreamlitLanggraphHandler and more

ZARQ risk intelligence tool for LangChain agents — trust scores, crash probability, and structural risk for 205 crypto tokens.

LangChain integration for Zeta MLX

Private AI document assistant — local RAG pipeline with web GUI. Zero cloud. Supports local, NFS, SMB and object storage.

Zeus AI Platform - Next-generation AI Agent Development Platform

Chinese language processing library

A multi-framework AI agent SDK for the Zynd AI Network. Supports LangChain, LangGraph, CrewAI, PydanticAI, and custom agents with a unified invoke() interface. Provides Ed25519 identity, agent discovery via agent-dns, A2A protocol communication, agent cards, and x402 micropayments.

Conversation memory SDK — query meeting transcripts, decisions, and action items from any AI agent or application

ACP (Agent Client Protocol) server for DeepAgents - enables IDE integration with Zed, JetBrains, and other ACP clients

Nuggets identity verification toolkit for LangChain.js

Repository containing the LangchainJS toolkit for creating powerful web3 agents.

MCP server for n8n with tools for generating workflows, linting, diagnosing failed executions, and driving live n8n instances. Built for AI agents.

Agent instrumentation SDK for forensic auditing — auto-signing, hash-chaining, LangChain adapter

LangChain TypeScript SDK - Human-in-the-Loop validation via Loopman platform

n8n community node for DeepSeek chat models (Pro / Flash) with reasoning_content (Chain-of-Thought) support, usable as a LangChain sub-node inside the AI Agent and Basic LLM Chain.

CodeWave - AI-Powered Commit Intelligence. Multi-agent system for comprehensive code quality evaluation using 7-pillar methodology.

A programmable Solana wallet SDK for AI agents — LangChain, AutoGen, ElizaOS compatible

Framework for building AI agents through natural language and taking them from experiment to production at scale

Health monitoring and cluster management for AI agents. Monitor soul drift, manage multi-agent clusters, and ensure agent identity preservation.

JavaScript/TypeScript SDK for LangVoice Text-to-Speech API with AI agent integrations

Agentic workflow SDK — proof cards, contracts, human handoffs, MCP/A2A

TypeScript/Node.js client for dyolo-kya: cryptographic chain-of-custody for recursive AI agent delegation

On-chain AI safety infrastructure for autonomous agents. Encrypts actions client-side, submits to Chromia blockchain, and gets AI safety verdicts before execution.

Persistent memory for AI agents — JavaScript/TypeScript client for Cathedral

The open-source circuit breaker and accountability layer for multi-agent AI pipelines. Trace every action. Explain every decision. Short-circuit before the damage propagates.

LangGraph adapter package for AgentLedger Runtime.

A TypeScript CLI for packaging, installing, and running LangGraph workflow templates with manifest-based distribution and bundled OpenCode execution assets.

Runtime library for projects scaffolded by AgentForge. Provides base classes, the LLM provider factory, and shared utilities.

Monty-backed Python REPL middleware for Deep Agents, with a shared filesystem between the sandbox and the agent's file tools.

Reversible UUID/ID aliasing for LangChain & LangGraph — cut tokens and stop the LLM mangling your IDs.

LangChain integration for TinyFish Web Agent - AI-powered web automation

Capture decision-id-joined evidence from LangGraph agents. Wraps your checkpoint saver to emit OEP tool_permission_packet.v0 records covering the 19 surfaces LangGraph's StateSnapshot does not bind natively.

Causal intent monitoring for LangGraph agents using bundled Structural Final Models.

Oracle Database integration for LangChain.js

LangChain v1.x integration for Sapiom SDK


LangChain and LangGraph integration for @datacules/agent-identity

Multi-agent RAG system for RBAC-secured financial document Q&A. 72.7% on FinanceBench. Ships a CLI client + self-hostable FastAPI backend.

langchain-akasicdb package is an implementation of core LangChain abstraction for AkasicDB

High-level reasoning agents with planning, confidence judgement, and reflection on top of LangGraph

A framework that replace traditional RAG pipelines. Ingest any number of documents in multiple workspaces (channels, departments, etc.), index it with BM25, and let the agent search, fetch, and reason over it, exactly like searching the web, but entirely on your machine. No vector store, no embedding needed.

Multi-agent code review system using LangGraph

LangGraph.js adapter for darwin-agents — wrap self-evolving Darwin agents as StateGraph nodes with zero hard deps. V0.5.4 opens the darwin-agents peer range to any 0.x (ends the per-minor install breakage; verified against 0.11). V0.5.2 wires the runAgent

LangChain/LangGraph integration for Credat — authenticate AI agents with trust and delegation

LangChain v0.x integration for Sapiom SDK (legacy)

Comprehensive security guards for LLM-powered and agentic AI applications - 35 guards covering OWASP Top 10 for LLMs 2025, Agentic Applications 2026, and MCP Security. All guards accessible via unified TrustGuard facade. Features prompt injection (PAP/per

LangGraph checkpoint saver backed by Firestore + GCS, with automatic GCS spill for large payloads.

LangGraph.js / LangChain.js integration for the Ejentum Reasoning Harness. createEjentumTools() returns eight agent-callable tools as an array: four dynamic (reasoning, code, anti-deception, memory) plus four adaptive (adaptive-reasoning, adaptive-code, a

AI-powered coding assistant using Gemini, LangGraph, and MCP

ScopeBlind evidence wrapper for LangChain + LangGraph. Signed receipts for tool calls, graph node transitions, and interrupt resumes.

Reusable chat interface component for Ara Browser with LangGraph integration

AI-powered task orchestration with LangGraph single-orchestrator architecture, 150+ MCP tools, and LangChain function calling. Submit development tasks via Copilot Chat.

SDK for building agentic coding experiences with WebContainer and LangGraph

CLI tool to visualize LangGraph OpenTelemetry traces in a browser

LangGraph Supervisor Agent for intelligent multi-agent orchestration

Open Smith Server

Deep Research Engine with LangGraph and React Integration

Inquiry Routing Engine for LangGraph.js — Graph-level orchestration of PDE-to-Inquiry pipelines with Four Directions routing, relational accountability gating, and multi-channel dispatch

Complete toolkit for building AI agents on TON — wallet tools, TonGuard security, billing, payments. Works with LangChain, LangGraph, or any framework.

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

Standard Agent System - A unified agent package system for tools, middlewares, and storage

Strategy Agent bridge — A2A protocol integration for LangGraph strategy-agent (37 financial analysis skills)

Ready to use GenAI starter kit with NextJS, FastAPI, LangChain, LangGraph, NextAuth, Mailgun, Stripe, Neon Postgres, and much more

Complete toolkit for building AI agents on TON — wallet, TonGuard security, A2AE marketplace (agent-to-agent economy), payments. Works with LangChain, LangGraph, or any framework.

The official command-line interface for LangGraph.js, providing tools to create, develop, and deploy LangGraph.js applications.

Wrap LangChain/LangGraph tools with Zehrava Gate governance — deterministic policy enforcement before any tool executes

PostgreSQL implementation of the LangGraph.js API.

DelReact: Extensible framework for building intelligent AI agents that can autonomously plan, reason, and act to accomplish complex, multi-step tasks, built on LangChain-LangGraph.