Deterministic testing helpers for @harpua/langgraph graphs: scripted chat models, stream collectors, interrupt assertions, and a Nest testing-module harness

@zanii/langchain

Receipt every tool call in a LangChain or LangGraph run with one callback handler - no changes to your tools. Signed, verifiable Zanii proofs across the whole chain.

@48nauts/workflow-runtime

Durable LangGraph workflow runtime: registry, Postgres checkpointer, case-file DI seam, base state schema.

@openpipeline/runtime

PipelineEngine orchestrator for OpenPipeline — drives a run end to end over the kernel.

@openpipeline/mcp

Optional MCP integration for OpenPipeline: JSON-Schema→Zod converter, MCP client factory, env catalog loader, and mcp:* node resolver.

airgptx

AirGPTX Python package with the bundled AirSim client APIs.

anti-claude-check

Local privacy and proxy consistency audit skill

aws_sdk_bedrock

aws_sdk_bedrock client

chatgpt-oauth

Experimental subject-scoped ChatGPT OAuth and subscription transport

chatgptweb

ChatGPT PlayWright API

claude-thermos

Keeps your Claude session warm for you.

cocoonstack-sandbox-langchain

LangChain tools backed by cocoon microVM sandboxes

crewai-aproxpay

CrewAI tools for AproxPay residential proxy — x402 pay-per-request and session passes

crewai-claw-messenger

Send one controlled Claw Messenger message from CrewAI and prove the matching reply in the tool

crewai-paysafe

RENAMED to 'crewai-tollwarden' (pip install crewai-tollwarden). Final compatibility release: re-exports the TollWarden CrewAI integration under the old names and warns on import.

fastapi-langgraph-server

A typed FastAPI server compatible with LangGraph RemoteGraph clients

gemini-notebook

Unofficial Python client for Google Gemini Notebook (formerly NotebookLM) - alias of gemini-notebook-py.

gemini-notebook-py

Unofficial Python client for Google Gemini Notebook (formerly NotebookLM) - canonical distribution from 0.9.0.

gemini-web-client

A Python package for automating Google Gemini web UI via Playwright

gemma4-pt-claude

Canonical PyTorch implementation of Gemma 4

genkit-ollama

Ollama on Genkit

genkit-openai

OpenAI-compatible models on Genkit

gpt-cli-env

A command-line interface for OpenAI models

gpt-workflow

Typed Python wrapper for deterministic gpt-workflow runs

graphcoherence

Global coherence dynamics on networks — Python client for the GraphCoherence API

haystack-unirate

Haystack integration for the UniRate currency-exchange API — components for FX rate lookups, conversion, and currency listings in Haystack pipelines.

ibm-db-haystack

Haystack integration for IBM Db2

kinako-llama-cpp

Python bindings for the llama.cpp library

kryptorious-qbio-coherence

Bio-Coherence Falsifier: a computational falsification engine for biological quantum-coherence claims, anchored to the Firmenich 2026 HEOM dephasing baseline.

langchain-apple-fm

LangChain integrations with Apple Foundation Model

langchain-aproxpay

LangChain tools for AproxPay residential proxy — x402 pay-per-request and session passes

langchain-cassandra

Langchain vector store for Apache Cassandra.

langchain-claw-messenger

Send one controlled Claw Messenger message from LangChain and prove the matching reply in the tool

langchain-clickhouse

Langchain vector store for ClickHouse.

langchain-docuweave

An integration package connecting DocuWeave and LangChain.

langchain-faiss-vectorstore

Langchain vector store for Faiss.

langchain-fidacy

Fidacy action firewall for LangChain tool calls. Convention-named entry point: the implementation lives in fidacy-langchain, and this package re-exports it unchanged.

langchain-ilovevideoeditor

An integration package connecting iLoveVideoEditor and LangChain

langchain-lancedb

Langchain vector store for LanceDB.

langchain-mero-tools

A collection of tools for LangChain Mero.

langchain-openviking

OpenViking integrations for LangChain and LangGraph

langchain-paysafe

RENAMED to 'langchain-tollwarden' (pip install langchain-tollwarden). Final compatibility release: re-exports the TollWarden LangChain integration under the old names and warns on import.

langchain-polardbx

An integration package connecting PolarDB-X and LangChain

langchain-sct

Reversible PII pseudonymization + token compression for LangChain 1.0 — a keyed, DSGVO/BaFin-grade superset of the built-in PIIMiddleware.

langchaint

It ain't langchain.

langgraph-checkpoint-oceanbase-es

Library with an OceanBase/MySQL implementation of LangGraph checkpoint saver with Elasticsearch vector search support.

langgraph-checkpoint-upstash-redis

LangGraph checkpoint saver backed by Upstash Redis (REST API)

lfx-ollama

Ollama model components as a standalone Langflow Extension Bundle.

linkup-haystack

Haystack integration for Linkup Search API

llama-index-postprocessor-distil

llama-index postprocessor distil integration

llama-index-readers-opendma

LlamaIndex readers for OpenDMA - integrate ECM systems with LlamaIndex

llama-index-tools-nimble

Nimble Web Search tool for LlamaIndex

llama-parameter-scout

Benchmark llama.cpp models across candidate configurations

lora-ollama-bridge

LoRA adapter bridge between Unsloth and Ollama for dynamic adapter loading.

m3-langchain

Recognizable alias for m3-memory's LangChain / LangGraph integration (drop-in Mem0 replacement, M3Store, M3Saver checkpointer, retriever, LCEL). Re-exports m3_memory.langchain.

maigp-llamaindex

AIGP governance adapter for llamaindex

maigp-openai

AIGP governance adapter for openai

mcp-mistral-queue

MCP server for Mistral API with queueing and rate limiting

mcp-test-harness-ollama

Ollama local models testing helpers for MCP Test Harness

mtk-gpt-tool

Build, patch, and inspect MediaTek-style GPT partition tables from scatter XML files.

nbchatgpt

ChatGPT-5.4 Nano 中转服务 SDK - 每天免费 1.0K tokens，国内开箱即用