Langchain agents

Self-hosted n8n Nils Codex node via ChatGPT subscription device-code auth

MCP memory server for multi-agent systems, powered by Postgres, pgvector, and Hugging Face.

Runtime loop and deadlock detection for multi-agent AI systems

Isomorphic (Node + browser) JavaScript/TypeScript client for the WEB6 OASIS AI Layer API v2.0 — 14 modules, 40 operations covering: unified AI completion across 20+ providers, FAHRN hero solve endpoint, Holonic BRAID reasoning-graph memory, holonic memory

Email infrastructure for agents — set up an inbox and send your first email in 30 seconds. Programmatic inboxes (~1 line), consistent threads, custom domains, attachments, and structured data.

MCP server: static worst-case token-budget analysis for LLM-agent workflows (LangGraph/CrewAI/OpenAI-Agents) + signed budget certificates.

Backend middleware for the Threadplane client-tools capability. The /langgraph entrypoint targets LangGraph.js.

Portable plug-and-play agent SDK: invoke protocol, transports (http/local/ipc/langgraph), manifest + permission contract.

Managed Deep Agents — the `defineDeepAgent` authoring interface plus the CLI that compiles and deploys a code-first Deep Agent repository to a managed LangGraph runtime.

LangGraph.js capture adapter for Provenance

HelixID middleware for LangChain and LangGraph — verifiable credential enforcement at agent execution boundaries with per-tool scope checking.

Multi-agent orchestration framework for Claude Code CLI. Run agents in parallel (Conductor) or stateful workflows with crash-resume + Human-in-the-Loop (Conductor-LangGraph). Subscription-flat by default.

Execution kernel (compiler, node-runner, registry, binding resolver) and built-in IF/LLM nodes for OpenPipeline.

git-bot: an LLM-powered CLI assistant for conventional commits and branch names.

Framework-agnostic execution kernel and interface contracts for OpenPipeline.

Deterministic workflows of agents — a Docker-Compose-shaped YAML for composing LLM / code / model / tool nodes into a runnable flow.

Provider-agnostic action defender SDK for AI agents

The Reliability Layer for Autonomous AI Agents — full tracing, cost intelligence, guardrails, and quality evaluation.

Portable AI agent definitions — validate, adapt, and import agent specs across frameworks (Claude, OpenAI, Cursor, GitHub Copilot, Microsoft 365 Copilot, Copilot Studio, LangGraph).

AgentGuard Python SDK — Runtime security for AI agents

Framework-agnostic agent fabric orchestration for CrewAI, LangGraph, Strands, local CLI runners, and vendor-fabric tools

Framework-agnostic message reducer for AI agent state management. Works with LangGraph, CrewAI, and plain dicts.

Time-travel debugger and branch explorer for LangGraph AI agents. Capture execution traces, inspect LLM and tool calls, and branch from any point with overridden outputs.

An open-source, provider-agnostic agentic framework + interactive project scaffolder for LangChain and CrewAI. Pick your LLM provider, agents, RAG, memory, MCP tools and skills — generate a ready-to-run uv project.

Carry an AlgoVoi keystone decision into a LangChain run trace: a recomputable execution_ref under algovoi.keystone.*, verifiable offline

LangGraph controller and actions for AOA.

Bench adapter for LangChain — auto-instrument every chain, agent, and LLM call.

LangChain tools for Blacksands Bursar

LangChain integration for CortexDB — long-term memory for AI systems

LangChain tools for Trust Gate post-quantum receipts — sovereignty gate, egress check, exit drill.

Streaming, declarative multi-agent workflows for Deep Agents.

Drop-in LangGraph store that merges concurrent writes instead of silently dropping them.

LangChain and LangGraph integration for GaaS (Governance as a Service)

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.

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

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

LangChain integration for AgentLine — give AI agents real phone numbers for calls and SMS.

LangChain tool for ChronoVerify: verify when a photo was taken and its provenance (C2PA Content Credentials, EXIF, pixel forensics).

LangChain chat model wrapper for the Claude Code Agent SDK — Mimir distribution of langchain-claude-code with bundled adapter fixes (upstream PRs #2/#4/#6, unmerged). Import package remains ``langchain_claude_code``.

LangChain / LangGraph integration for comply54 — African AI agent compliance enforcement

Docker sandbox backend for AI agents - execute code safely in isolated containers

Mimir persistent, local, encrypted memory for LangChain — tools and a retriever backed by the Mimir MCP engine.

LangChain tools for Novada — web search, scrape, crawl, extract, research & proxy — derived LIVE from the Novada MCP server (zero contract drift).

NVIDIA OpenShell sandbox backend for LangChain Deep Agents

LangChain document loader for pdfmuse — deterministic PDF/DOCX parsing for RAG.

QuantumScan tools for LangChain, LangGraph, CrewAI, and AutoGen — pre-transaction safety checks and post-quantum cryptography scanning for autonomous agents.

LangChain-native equivalent of Google ADK's RemoteA2aAgent — invoke remote A2A agents as LangChain Runnables and tools

An integration package connecting SearchApi.io and LangChain

An integration package connecting SibFly (measured ground motion per US address, from NASA InSAR) and LangChain

LangChain tools for Signatrust — cryptographically signed, tamper-evident AI Decision Receipts.

Superserve sandbox integration for Deep Agents

LangChain tools for the Synoppy web-data API — read, search, crawl, map, extract, classify, enrich, images, and screenshot the live web from your agent.

An integration package connecting TheCrawler and LangChain

LangChain integration for Tokonomics — AI cost metering, budget alerts, and spending caps for LLM API calls.

Tool governance and auditing framework for LangChain

LangChain VectorStore integration for VectorAmp

An integration package connecting Verifly (agent-native email verification) and LangChain

LangChain integration for XYNQ — decentralized OpenAI-compatible inference.

LangChain integration for ZeroEntropy zerank rerankers

A multi-agent teams implementation using LangGraph (Blackboard & Mailbox architecture)

ScyllaDB checkpointer for LangGraph

LangGraph abstractions for hierarchical multi-agent systems

SurrealDB checkpoint persistence and cross-thread stores for LangGraph.

LangGraph checkpoint saver for Azure CosmosDB with built-in message history pruning via agentstate-reducer

LangGraph checkpoint saver for Google Firestore with built-in message history pruning via agentstate-reducer

A global reusable LLM Registry wrapper for LangChain models with unified error mapping for Lighthouse Agents Factory

Typer + Rich CLI for recruit-loop-agent — run recruiting loops from the terminal

LangChain tools for the Metalift web context API

Microloop integration for LangGraph

MolTrust trust verification middleware for LangChain 1.x

MS-RAGS(ALL-IN-ONE) — production-grade RAG framework builder terminal CLI

Production-grade Harness Agent built on top of LangChain Deep Agents.

FanLang — LangChain integration. OODA Agent and FanLang Retriever for LangChain apps.

LLM-powered semantic assertions for pytest

Plug-and-play agentic framework with multi-backend, guardrails, and Azure AD support

A LangGraph-based multi-agent SDLC orchestration library

A local, free, self-fact-checking multi-agent research assistant (Ollama + MCP + RAG).

LangChain adapter for Snubber

LangChain BaseChatModel adapter for somm — lets LangChain/LangGraph/deepagents apps use somm as their LLM substrate

Drop-in state backend for LangGraph, CrewAI & custom agent loops - Rust core, framework-agnostic, built for production.

LangChain retriever for trelix code intelligence

Use TensorRT-LLM models from LangChain (ChatTrtLlm) with model load/unload and streaming

Governed agent runtime adapters for Tuning Engines, LangGraph, Temporal, and MCP.

LangGraph integration for Zep

LangChain callbacks for ZizkaDB causal agent logging

Stellar Tools LangChain Adapter

LangGraph-powered autonomous CLI agent with guarded execution, local RAG, and memory-scoped planning.

LangChain tools for iCloud Mail (IMAP) and iCloud Calendar / Reminders (CalDAV) — direct protocol calls, no MCP. Auth via Apple ID + app-specific password. Extracted from Jarela.

Factory to create Deep Agents (LangChain) specialized on different databases (MySQL, Postgres, MongoDB, Neo4j, SQLite, DuckDB).

FurlPay tools for LangChain — stablecoin payments, investing, and x402 agentic payment rails

A read-only Kubernetes natural-language CLI agent using LangGraph

Perseus Vault persistent, local, encrypted memory for LangChain — tools and a retriever backed by the Perseus Vault MCP engine.

Grafomem (Fair Source) adapter for LangGraph Checkpointers

Use Mollie in AI agent frameworks — OpenAI, LangChain, Vercel AI SDK

Zero-dependency TypeScript SDK for the fastsearch REST API — hybrid search over docparse chunks, with first-class helpers for LLM agent development (tool definitions, RAG context, retrievers).

true402 tools for LangChain — pay-per-call on-chain rug/honeypot & address safety for Base AI agents over x402 (USDC, no account, no API key).

Local copy-paste runtime for the AIFluensLab learning labs. Build and run an agent on your own machine with your own provider key.

A CLI that uses a DeepAgents documentation agent to generate and maintain an OpenWiki for a codebase.

LangChain.js tool wrapper for the NodeProxy x402 web surface markdown parser