PyPI agents

Adapter for converting LangChain tools to FastMCP tools

An integration package connecting Together AI and LangChain

Langchain Token Usage

LangChain Tool - Agent Marketplace Search

LangChain Tool Client SDK (Python)

Per-tool input validation and output-boundary policies for LangChain agents.

LangChain Tool - NEAR filter account

LangChain Tool - NEAR import wallet

LangChain Tool - NEAR sign wallet

LangChain Tool - NEAR Signature Creator

LangChain Tool - NEAR State Reader

LangChain Tool - NEAR update key

Tiny LangChain middleware for better tool-call recovery, loop detection, and structured failure messages.

LangChain Tool Server (Python)

Adapter for converting LangChain tools to FastMCP tools

Simplifying, enhancing, and extending the LangChain library functionality

TradeKix financial market data tools for LangChain agents

AI trading agents driven by langchain,Simulates real-world financial company departments(manager,news,traditional indicator,price_action,economic_calendar,decision maker) free real-time and historical financial market data via HTTP and WebSocket APIs.specifically designed for AI quantitative trading/training.Multiple Timeframes,Multiple-Symbols-Multiple-Timeframes Alignment

LangChain integration for the Trawl unified content API — transcripts from 10+ sources

Generic event-driven triggers framework

LangChain tool for behavioral trust scoring via Dominion Observatory

LangChain integration for TruthVouch Trust API — hallucination detection and content verification

An integration package connecting turbopuffer and LangChain.

TurboQuant vector store for LangChain — 6x memory reduction with training-free quantization

An integration package connecting Tzafon and LangChain

Bridge Langchain agents with uAgents and register them on Agentverse

LangChain toolkit for Universal Commerce Protocol (UCP)

LangChain integration for Ujeebu Extract API

LangChain Document Loader for UnDatasIO

LangChain integration for the UniRate currency-exchange API — wrapper utility plus an agent tool for FX rate lookups and conversion.

An integration package connecting Unstructured and LangChain

An integration package connecting Upstage and LangChain

LangChain tool that lets agents verify URL safety before navigation via URLCheck MCP server

A production-ready LangChain integration for the Universal Tool Calling Protocol (UTCP), built on the official python-utcp SDK.

Make Universal Tool Calling Protocol (UTCP) tools compatible with LangChain and LangGraph agents.

Custom langchain components

Utilities built upon the langchain library

An integration package connecting Valthera and LangChain

An integration package connecting Valyu and LangChain

LangChain VectorStore integration for VAST Database

Vaultak runtime security callback handler for LangChain agents

LangChain integration for VDM Nexus — signed-inference ChatModel that pays per call via x402 on Solana.

An integration package connecting VDMS and LangChain

LangChain integration for vecr-compress: deterministic retention-guaranteed LLM context compression.

An integration package connecting Vectara and LangChain

An integration package connecting Vectorize and LangChain

An integration package connecting VeDB and LangChain

LangChain integration for Velatir - AI governance, compliance, and human-in-the-loop workflows

LangChain VectorStore for VelesDB: The Local AI Memory Database. Microsecond RAG retrieval.

LangChain integration for Verathos — verified LLM inference on Bittensor

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Adapter to integrate LangChain with Vercel AI SDK SSE streaming

LangChain tools for VEROQ Intelligence API

LangChain integration for ViscribeAI image analysis - AI-powered tools for image understanding

Vision tools for langchain

Visualization and debugging tool for LangChain workflows

VM-X AI Langchain Python SDK

langchain intergration for Volcengine veDB for MySQL and RDS for MySQL

LangChain VectorStore for VolcEngine RDS for MySQL native vector indexing (HNSW)

An integration package connecting VoyageAI and LangChain

LangChain integration for the Web2Agent Protocol — turn any W2A-enabled website into LangChain tools

LangChain tools for waveStreamer — What AI Thinks in the Era of AI. Get waveStreamer into every LangChain-based agent.

An integration package connecting Weaviate and LangChain

A widget to run in Jupyter Notebook.

Wipro AI integration for LangChain

An integration package connecting Writer and LangChain (includes deprecated features such as PDFParser and WriterTextSplitter)

LangChain Document Loader for WTM API — convert any webpage to Markdown

WZRD velocity-aware model selection, inference, and earn-loop tooling for LangChain.

x402 payment protocol integration for LangChain - enable AI agents to pay for APIs with USDC

LangChain tool for x402 service discovery — find any x402-payable API endpoint at runtime

LangChain toolkit for 2,400+ x402 pay-per-call APIs — discover, call, and manage with no wallet setup

LangChain integration for Xache Protocol - verifiable AI agent memory

An integration package connecting xAI and LangChain

LangChain integration for Xbaza Belarus Job Market API

在LangChain中流畅地使用讯飞星火大模型

langchain extension python package

An integration package connecting Xinference and LangChain

LangChain integration with xParse Parse API for intelligent document parsing

An integration package connecting YDB and LangChain

An integration package connecting You.com and LangChain

YouTube loader for LangChain using yt-dlp

An integration package connecting YugabyteDB and LangChain

LangChain integration for the Yutori API — Navigator browser control, browser automation, web research, and monitoring

A LangChain integration tool that provides reliable web scraping capabilities at any scale using ZenRows' Universal Scraper API

ZeroDB vector store for LangChain - AI-native vector database with free embeddings, semantic search, and RAG support. Pinecone alternative.