Langchain agents

MCP server that builds a reachability graph across multi-agent orchestration configs (LangGraph, CrewAI, AutoGen/ag2) to find transitive excessive agency — an agent with no dangerous tool of its own that can still reach one through delegation or group mem

LangGraph and Hono based orchestration service for EasyInk Assistant

로컬에서 도는 Host 에이전트 채팅이다. Next.js 앱 하나가 브라우저 UI와 에이전트 서버를 같이 들고 있고, 한 턴은 `deepagents`/LangGraph 하네스가 돌린다. LLM 키만 있으면 채팅이 열린다(`shouldEnterChat` = `isLlmReady`, `lib/setup-gate.ts`). 위키·MCP·스킬·서브에이전트·웹검색은 그 위에 꽂는 슬롯이고, 하나도 없어도 대화는 된다. Host 프롬프트(`.agents/promp

CDS Plugin for LangGraph long-term memory stores in SAP CAP applications

CDS Plugin for building vector retrieval in LangGraph/LangChain/DeepAgents - Vector Store

Hierarchical-graph long-term memory for AI agents: variable-depth abstraction tree, cross-topic recall, temporal knowledge graph. Ships an MCP server, an HTTP service, and a LangGraph BaseStore.

Modern, deterministic Adaptive Cards from small, forgiving agent tool calls

A LangChain-MCP powered app for education.

Portable FastAPI and LangGraph chat with a bundled static UI

Framework-agnostic Python library for diagnosing LLM agent execution failures

Name placeholder for agent-engine-sdk-langgraph — not yet released

Self-improving agents through continual learning: in-process agentic RL that turns your own agent's work into training data. Observed tool outcomes, outbound-only, one runtime dependency.

LangChain and LangGraph adapter for Agent Harness Protocol

Agent Memory Integrity (agmi): a conformance test suite that measures whether AI agent memory and checkpoint stores notice tampering

LangGraph producer for agent-topology documents

Time-travel debugging and causal RCA for LangGraph agent traces, on a causal graph.

Human-in-the-loop for LangGraph, Pydantic AI and Strands agents -- and anything else a run has to wait for. Get the interrupt out of the process (SNS, SQS, EventBridge, DynamoDB, webhook) with everything needed to answer it; get the answer back in.

AWS announce adapters for agent-wait: SNS, SQS, EventBridge, and DynamoDB (the question as a row), plus a CDK stack for the example.

Plug-and-play turn-metrics logging for LangGraph/Strands/CrewAI agents on Bedrock AgentCore, shaped for CloudWatch Logs Insights + Grafana dashboards.

Application performance monitoring for AI agents: flows, cost, reliability and process quality

Python SDK for AgentGate x402 — web scraping, prompt injection guard, domain intel. Auto-pays via USDC micropayments on Base L2 / Solana.

Discover AI agents, map their capabilities, and flag security risk. Read-only static analysis.

Agentic Security Framework & Real-Time Threat Visualization Engine

Deterministic Security, Guardrails, and Governance OS for Autonomous AI Agents in Python.

A stress-test benchmark that provokes MAST failure modes in LLM agent frameworks, and shows how much of the failure comes from the framework's own prompt scaffolding.

Pre-inference routing for tool-rich LLMs and multi-agent systems with MCP, A2A, LangGraph, AutoGen, policy-aware routing, recovery, and reproducible evaluation.

LangChain toolkit for Andreax's pay-per-call x402 AI tools (USDC on Base, EIP-3009 autopay).

LangChain tools for the AnswerLine answer and search monitoring API.

Records what a LangChain agent's tool calls changed on disk, for Apache SkyWalking AI Sessionizer

Automatic learned skill delivery for native LangGraph agents

Gate a LangChain agent's tool calls with a CTRLRun policy, through wrap_tool_call.

Gate LangChain tool calls and LangGraph nodes on a signed Decionis Decision Dossier.

Graph-backed context scratchpad for LangChain Deep Agents.

Docker Sandboxes (sbx) microVM sandbox backend for Deep Agents

Django reusable app: DRF-to-LangGraph agent bridge with long-term memory.

LangChain document loader that uses fetta - tool that fetches web pages for assistants

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.

Google-OAuth-gated LLM gateway: verify a Google ID token, then run a Gemini (Vertex AI) completion for the verified caller.

Google-OAuth-gated LLM gateway: verify a Google ID token, then run a Gemini (Vertex AI) completion for the verified caller.

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.

Local Graph-View-Agent for inspecting and replaying LangGraph pipelines

Agent tracing SDK aligned with JEP Core 0.7; companion chain semantics remain outside Core

JEP runtime adapter for LangGraph: replayable delegation and verifiable AI accountability semantics.

Async Azure Container Apps Sandbox backend for LangChain Deep Agents

LangChain and LangGraph integration and toolkits for Adam Network autonomous agent message stream

LangChain integration for the Agent Margin Router: exposes all 39 paid API endpoints (market data, on-chain best-price, news, web, developer tools) as ready-to-use LangChain tools for your agents. Pay per call with USDC on Base via x402, or use an API key.

LangChain tools for the Agent Nexus registry: discover and inspect callable APIs, MCP servers and CLIs at runtime.

LangChain integration for the Aspected vector database

LangChain tools for Asyntai, the AI chat agent for websites

LangChain tool for Clearsigned: calibrated claim verification for AI agents, paid per call over x402, receipts verified offline.

LangChain tools for Collar Guardrail — deterministic pre-trade risk checks for AI trading agents on Robinhood Chain.

LangChain tool for the Council of AI GSPC measurement board (wraps csoai-gspc).

LangChain tools for Darkmoon, the local privacy-first autonomous AI penetration testing engine.

28 pay-per-event regulatory, sanctions, procurement, and corporate-registry monitoring tools for LangChain agents, backed by Apify's hosted MCP gateway.

LangChain agent middleware that selects the most relevant tools per step with local hybrid dense and sparse vector search over zvec

EnConvert document loader for LangChain: perceive URLs or ingest a whole site into Documents, every read scored.

LangChain callback handler that notarizes every tool call on FairSeal (on-chain non-repudiation)

LangChain tools and toolkit for FeedMyAgent — the technology intelligence feed for AI agents

GoDaddy provider for LangChain & LangGraph — Agent Identity (registration, discovery, verification)

LangChain tools for sourced greenhouse-gas emission factors — every value returns with its publisher, exact source reference and citation.

Thin LangChain integration for Komplex AI — a hallucination detector for LLM output (adapts the halu SDK to LCEL).

Official Python SDK for the HyBit Vector Database

Per-turn skill selection for LangChain and LangGraph agents: a judge picks the loadout, the catalog stays out of the prompt.

Native LangChain integration for the ML Junction gateway

LangChain / LangGraph integration for mnki (Agent Trust): guard tools so every call is verified against delegated authority, with evidence, before it runs.

LangChain chat model for the NuRoute inference gateway

LangChain vector store for polign_db

Sub-millisecond PII detection and prompt injection firewall for LangChain

Per-turn skill routing for LangChain deepagents: a pluggable judge (Jev included, or your own) loads only the SKILL.md skills each turn needs, keeping a catalog of hundreds out of the prompt.

LangChain tools and Python client for the ThorData SERP API

LangChain tools for Twelve Data market data

A LangChain integration for TypeSafe classifiers

LangChain document loader and agent tool for the Velrim document-extraction API: extraction against a JSON Schema you supply, with per-field state (present, null, missing), a per-field confidence score, and source anchors (page + bounding box).

A pure-Python BM25 (lexical) retriever for LangChain, powered by Whoosh.

Runtime sandbox integration for Deep Agents

A LangChain Tool that pays per-request for SAGG LLM chat completions via the x402 protocol - no API key needed.

LangChain tools for xdataapi.io: read-only public X (Twitter) profiles, tweets, threads, followers and search.

LangChain callbacks that publish verifiable AI agent receipts to zambo.dev

Use ACP-compatible agents as first-class LangGraph nodes.

GridGain checkpointer, store and node cache for LangGraph — short-term thread state, long-term cross-thread memory, and node-level caching.

LangGraph checkpoint savers on plain Redis (sync + async) - no RedisJSON / RediSearch modules required, works on Redis 5+

Policy enforcement and guardrails for LangGraph AI agents

A plug-and-play System One conditional router for LangGraph using TypeSafe AI's Jev model.

Find LangGraph wiring bugs before they become a runtime KeyError.

Long-term memory engine for LangGraph over any BaseStore — LLM fact extraction, consolidation, and recall ranked by semantic similarity, recency and importance (a maintained alternative to LangMem)

SingleStore checkpoint saver and store for LangGraph

MCP server + Claude skill for building LangGraph projects by editing a structured YAML spec instead of regenerating Python each turn

Shared core for LangGraph long-term-memory (BaseStore) backends — implement a store with four small primitives

Azure CosmosDB long-term-memory store (BaseStore) for LangGraph — namespaced key/value memory with filters, list_namespaces and native semantic (Cosmos DB vector) search

Google Firestore long-term-memory store (BaseStore) for LangGraph — namespaced key/value memory with filters, list_namespaces and native semantic (Firestore vector) search

PostgreSQL long-term-memory store (BaseStore) for LangGraph — namespaced key/value memory with filters, list_namespaces and native semantic (pgvector) search

The LangGraph side of agent-wait: ask() to declare a question at the interrupt site, an adapter that reads what a thread is parked on, and helpers for the host's start/resume routing.

A provider-neutral explainability layer for LangGraph applications.

M2MCent x402 V2 plugin for LangChain (EIP-3009 Gasless Settlement on Base L2).

A maf-sandbox router as a Deep Agents sandbox backend — any backend the router admits (Docker, ACA Sandboxes) behind LangChain's BaseSandbox, with the router's isolation floor and egress policy still enforced.

LangGraph BaseStore backed by Mnemosyne: versioned agent memory with blame and branch.

Agent Skills (SKILL.md) management for LangChain: middleware, progressive-disclosure tools, and composable loaders