Langchain agents

LangChain integration for Octen Web Search

LangChain tools for OilPriceAPI — real-time oil, gas, and commodity prices

An integration package connecting Ollama and LangChain

The most reliable and cost-effective web search, scraping and crawling API for AI. Build intelligent agents that can search, scrape, analyze, and structure data from any website.

LangChain integration for OneBrain — persistent AI memory layer

LangChain toolkit for Microsoft Fabric OneLake — workspace, file, table, directory, and item operations powered by the Fabric MCP Server.

LangChain integration for OneLy x402 marketplace - AI agents can buy and sell APIs

LangChain tools for OneShot — 45 tools for AI agents

An integration package connecting OpenAI and LangChain

An integration package connecting OpenAI and LangChain

A bridge to use Langchain output as an OpenAI-compatible API.

Wrapper for Langchain & OpenAI api calls which use OpenAI headers to deal with TPM & RPM.

LangChain chat model wrappers that expose reasoning/thinking content in ag-ui-langgraph compatible format

A LangChain integration for OpenDataLoader PDF

openGauss vector store integration for LangChain

An integration package connecting OpenGradient and LangChain

One-line OpenMemory integration for LangChain with persistent, temporal, local-first memory.

An integration package connecting OpenRouter and LangChain

An integration package connecting Opensearch and LangChain

OpenTerms adapter for LangChain — sign and emit ORS v0.1 receipts for every tool call.

Proof-of-Time tools for LangChain agents — cryptographic temporal attestation for DeFi transactions and general LLM audit-trail timestamping

LangChain-OpenTutorial(https://github.com/LangChain-OpenTutorial/LangChain-OpenTutorial) Packages

LangChain openwebui

An integration package connecting OpperAI and LangChain

An integration package connecting Oracle Database and LangChain

LangChain Tool - Orderly Integration

LangChain integration for Oris: Compliant payment rails and KYA infrastructure for autonomous AI agents.

LangChain tools for the Orizn Visa API — 199 passports x 202 destinations, 15 languages

Oso observability integration for LangChain agents

Langchain Document loader for Outline

LangChain document loader for oxidize-pdf — fast, Rust-powered PDF parsing with element-disjoint RAG chunking

Oxylabs integration package for LangChain

An integration package connecting PaddleOCR and LangChain

LangChain integrations for Pangea

langchain-pangu

A LangChain integration for Parallel Web AI services, including Chat and Search.

ParallelWeb integration for LangChain

LangChain Tool - Paras Integration

LangChain integration for PathCourse Health — autonomous agent inference with USDC billing on Base L2

PayClaw tools for LangChain and LangGraph — give your agent a USDC wallet on Base it can actually spend. Gasless via Circle Paymaster.

LangChain integration for PayLobster - AI agent payment escrow on Base

LangChain integration for Parallel Context-of-Experts Decoding (PCED) for RAG pipelines

Generate clean, readable PDFs from raw text or LLM output

LangChain document loader for pdfmux — self-healing PDF extraction

An integration package connecting Perigon and LangChain

Access control tools and retrievers for LangChain.

LangChain toolkit for PermitBase — U.S. residential building permit data API (1980–present)

An integration package connecting Perplexity and LangChain

LangChain VectorStore for hybrid search with pgvector (dense) and pg_textsearch (BM25)

An integration package connecting Pinecone and LangChain

An integration package connecting Pipeshift and LangChain

LangChain VectorStore integration for Pixeltable multimodal data infrastructure.

LangChain integration for NextPlaid multi-vector search

LangChain integration for PlainID authorization

Subscribe to events using a callback and store them in PlantUML format. You can easily subscribe to events and keep them in a form that is easy to visualize and analyze.

LangChain integration for Plasmate — agent-native headless browser with SOM output

LangChain integration for The Polaris Report — verified news intelligence tools and retriever

An integration package connecting PODataInsight and LangChain

LangChain provider for Pollinations unified API (OpenAI-compatible chat completions + image endpoint).

POPMiddleware for LangChain agents.

An integration package connecting Postgres and LangChain

An integration package connecting Postgres and LangChain

LangChain integration for PowerSun.vip — TRON Energy & Bandwidth marketplace and DEX swap aggregator with 27 MCP tools for AI agents

PPIO sandbox integration for Deep Agents

LangChain integration for PQS (Protocol Quality Standard) — Certificate Authority for AI agent economy

LangChain integration for PQSafe AgentPay — post-quantum safe payments for AI agents

LangChain tools for pr402/x402 protocol — autonomous AI agent payments on Solana

LangChain integration for PraisonAI multi-agent framework

Create controlled and compliant AI systems with PredictionGuard and LangChain

Orchestrate and observe tools built with langchain.

LangChain integration for PrefID - Preference-aware AI agents

Primordia economic metering for LangChain - track AI costs with machine-readable receipts

LangChain integration for Prism policy enforcement

LangChain integration for Privy embedded wallets

Wrapper for nicely displaying progress bars for langchain embedding components when using multiprocessing or ray.

An integration package connecting Prolog and LangChain

An integration package connecting Prompty and LangChain

LangChain tools for ProofSlip — ephemeral receipt-based verification for AI agent workflows

Python bindings for the LangChain agent streaming protocol

Langchain based completions provider for Spyder

LangChain integration for ProxyClaw - residential proxy network

LangChain integration for PubNub real-time messaging

langchain-pull-md is a Python package that extends LangChain with a loader to convert URLs into Markdown. It addresses the challenge of extracting content from JavaScript-rendered pages, like those built with React, Angular, or Vue.js, by utilizing the pull.md service. This approach optimizes resource usage and ensures efficient, reliable Markdown conversion directly from URLs.

LangChain tools for Purple Flea — casino, trading, wallet, and domain APIs for AI agents

automatically reduces token usage by replacing field names with short identifiers (e.g., a, b, c, …), while preserving full descriptions and reversibility.

An integration package connecting PyMuPDF Layout to LangChain. Load PDF content to Markdown using AI-based, CPU only, layout analysis.

An integration package connecting PyMuPDF4LLM to LangChain

LangChain integration for Pythia Oracle — on-chain calculated crypto indicators (EMA, RSI, Bollinger, Volatility) via Chainlink

This is a temporary project while I wait for my langchain [pull-request](https://github.com/langchain-ai/langchain/pull/7278) to be validated.