Langchain agents

LangChain middleware for NeuralTrust TrustGuard

LangChain tools for Simplepages: build, edit, and measure landing pages via the hosted Simplepages MCP server.

An integration package connecting WaveSpeed AI and LangChain

NeuForge x402 Token Metering for LangChain

Parlot turn-model instrumentation for LangGraph / LangChain (same debugger as voice)

LangChain / LangGraph adapter for sonar-tracing.

Modular CLI tool featuring LangGraph AI Agent, file compression, string manipulation, and API integrations

LangChain connector for BonkLM

LangChain tools for the minia2a.uk marketplace — discover, try, and pay for 1,680+ x402 APIs, and audit smart-contract source code ($2 static / $20 AI). USDC on Base.

LangChain integration for the LLM7 Chat API

LangChain.js adapter for CodeSpar — convert session tools to LangChain StructuredTool format

A langchain adapter for Huggingface transformers

Mnemo-backed long-term memory for LangGraph JS — a BaseStore implementation plus remember/recall tools.

Live terminal debugger and offline ASCII graph renderer for LangGraph.js — no LangSmith account, no network calls.

Ship agent traces from OpenAI Agents, Claude Agent SDK, LangChain, LangGraph, Vercel AI SDK, n8n and any OpenTelemetry-instrumented agent into Cognipeer Console.

Use AegisDB as a LangGraph long-term-memory store

Differential testing of budget enforcement semantics across AI agent frameworks

Idempotent execution layer for LLM tool calls: outbox + dedupe keys.

Watch your multi-agent AI workflow as a 2D retro pixel-art game

CrewAI integration for LastSearch — research infrastructure with Grounded Intelligence for AI agents

Factory for building LangChain deepagents equipped with episodic, semantic, and procedural memory.

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

Software development kit for building Keystone pro-code agents: LangGraph authoring primitives, the agent manifest model with local validation, and typed clients for the platform's language-model, retrieval, guardrail, memory and skill services.

LangChain document loader for Gluedly scrape snapshots

LangChain integration for LastSearch — research infrastructure with Grounded Intelligence for AI agents

MongoDB Atlas-backed virtual filesystem search adapter for LangChain DeepAgents

LangChain integration for QuanticData — document loaders, a web retriever and an agent toolkit for scraping, SERP search, crawling and 74 ready-made collectors through residential proxies.

LangChain middleware that cleans tool outputs: fixes broken encoding, HTML and invisible characters before your agent ever reads them.

LangChain tools for the Web Metadata, OpenGraph & Contact Extractor API — give your agent URL-to-structured-data extraction, AI-ready Markdown, contact discovery, and SEO auditing.

Full, tamper-evident traceability for LangGraph agents — a port of DeepSeek Harness (dsh)'s traceability design: hash-chained, content-addressed, replayable, rewindable.

LlamaIndex integration for LastSearch — research infrastructure with Grounded Intelligence for AI agents

A visual debugger for RAG pipelines — see exactly where your pipeline breaks

Scheduled agent loops that audit a repository and the harness that judges it

Governed LangGraph agents with Watchlight — authorize every agent action, fail-closed, with zero infrastructure.

AI Agent node for n8n with automatic multi-model failover and retry mechanisms

Gate every LangChain agent action through Qerexa runtime trust enforcement.

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

Simple MCP Client to quickly test and explore MCP servers from the command line

MemorySync integration for LangChain.js and LangGraph.js: chat message history, memory tools, recall context, and a LangGraph store.

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

LangChain adapter for textopt

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

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

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

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

[](https://www.npmjs.com/package/@bytecrafts/agent-ui-components) [](ht

Magic Hour tools for LangChain.js — AI video (Sora 2, Veo 3.1, Kling 3.0, Seedance, WAN 2.2) and image generation as LangChain tools.

equip langchain sdk

LangChain integration for Leanroute. Drop-in `ChatLeanroute` chat model — same interface as `ChatOpenAI`, but routes across 13 LLM providers (OpenAI, Anthropic, Google, DeepSeek, Groq, xAI, and more) with cost caps, failover, and MCP support baked in.

LangChain tools for Arbiter — pre-flight judgment for agents that hold a wallet.

LangChain / LangGraph adapter for the GraphMind live agent debugger: a callback handler that streams the run tree as a live graph, plus tool wrappers that honour pause / step / inject / retry / abort gates.

Zero-dependency AI chaining and autonomous agent framework utilizing device resources for Node.js ESM and Android Termux

Official JavaScript / TypeScript SDK for Quesen — the deterministic AI decision engine for autonomous-agent risk evaluation.

CarlyEmail's email tools for the Vercel AI SDK, LangChain, and any other agent framework.

MCP server and framework adapters for Corsair. Expose 200+ integrations to any agent framework (Mastra, LangChain, LlamaIndex, OpenAI, Vercel AI, Claude) as tools.

Grounded Intelligence for AI agents. MCP server with real-time web search, evidence extraction, verification, and structured citations. The research infrastructure for LangChain, CrewAI, and custom agents.

Intertrace runtime protection SDK — authorize+permit tool gates and agent-builder adapters

BTP v3.0 The AI Agent Execution Gateway — Sub-35µs In-Process Tool Gating, AST Invariants, Secret Scrubbing, Loop Damping & Offline Merkle Receipts

Deterministic runtime evidence and diagnostics for LangGraph TypeScript workflows.

Provider-neutral graph primitives built on LangGraph and LangChain.

Context-aware LLM agents and pipelines over the LangGraph functional API, with pluggable memory and storage-independent persistence.

The DevPilot conductor as a LangGraph agent — plan, review, dispatch and advance a wave plan as one resumable graph

LangChain and LangGraph tools for txn.dev. Agent payments and hiring humans.

Automatic LangChain Agent observability for AgentBase AgentOps

自主任务 Agent：面向模糊长目标的多步自主执行引擎（LangGraph），零业务依赖

A financial clearinghouse and dynamic credit-allocation middleware for stateful, hierarchical multi-agent workflows.

Behavioural monitoring for AI agents: runtime baselines, scope enforcement and cold-start-safe anomaly detection.

Check what an LLM is given for prompt injection: material at ingest, tool output, and the turn it answers

ARK Runtime SDK — attach ARK decision telemetry, cost attribution, and (experimental) constrained supervision around your existing agent.

An LLM agent that standardizes legacy biomedical metadata to adhere to CEDAR templates

Agent integrations for CapSolver — framework-agnostic tool definitions + LangChain tools.

Cryptographic runtime receipts for LangChain/LangGraph agents — signed Ed25519 audit evidence for every tool call.

LangChain BaseMemory adapter for Context-M — the Universal Neuro-Symbolic Memory Fabric.

LangChain tools for Cracked, the agent tool router: CrackedTool plus cracked_tools(query) that turns discover results into StructuredTools.

LangChain tools for Cracked, the agent tool router: load_cracked_tools() gives an agent 50,000+ tools behind one key.

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

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

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

LangChain integration tool for x402 payment-gated web scraping micro-services.

LangGraph tracing for Databricks MLflow

LangChain agent middleware that reads an agent's committed state, and repairs the step where a later action would contradict an earlier one.

LangChain retriever integration for Hacker News — search stories, fetch the front page, and retrieve full comment threads without API keys.

LangChain tools for ICTContact / ICTDialer — start, stop and monitor outbound call-center campaigns over the REST API

LangChain tools for ICTExam — parse question papers with AI, publish exams, and read gradebooks and item analysis over the REST API

LangChain tools for ICTFax — send and track faxes over the ICTCore REST API

LangChain tools for ICTPBX — query extensions, DIDs, SIP trunks, tenants and PBX stats over the ICTCore REST API

LangChain integration for OpenZoo - OpenAI-compatible inference with no signup

Official LangChain 1.x & CrewAI Integration for OpticParse Vision Web Scraping & PhishVision Threat Detection (Includes 200 Free Trial Requests & Zero-Friction In-IDE Refills)

LangChain retriever integration for Google Play Store — fetch app details and retrieve user reviews.

LangChain retriever integration for Reddit — search posts, fetch subreddit feeds, and retrieve full comment trees using PRAW.

LangChain VectorStore integration for the Rostam vector database

An integration package connecting SereneDB and LangChain

LangChain retriever integration for Stack Overflow — search questions and retrieve full answers from the Stack Exchange network.

LangChain tools for StackResolve: find, compare, and audit software for AI agents, plus structured company research.

LangChain tools for Truth Bear GAUGE official-source signal data

LangChain vector store integration for Typesense

LangChain tools for U.CASH agent monetization over HTTP-402.

Python tools for Webz.io News Search - global news in natural language with semantic ranking and rich filters

LangChain retriever integration for YouTube — search videos, fetch playlists, extract transcripts, retrieve video metadata, and fetch comments.

LangGraph checkpoint saver backed by local filesystem, GCS, or S3 via fsspec