Langchain agents

LangChain tools wrapping Toolstem MCP servers (Finance + SEC EDGAR) with x402 USDC micropayments

LangGraph tools and integration for Memanto's persistent memory

MemHQ adapter for LangChain — chat message history and retriever backed by MemHQ.

Myrm Agent Harness: Professional Agent framework built on LangChain with advanced skill system and MCP integration

LangChain and LangGraph observability for Tuner SDKs

AACP coordination layer for LangChain multi-agent workflows

Make your AI agents leaner, faster, and cheaper — smart context management and token compression

LangChain integration for AIPP (AI Payment Protocol)

DPX settlement and intelligence tools for LangChain agents — quote, ESG scoring, oracle status, and settlement execution.

Build LangGraph graphs from JSON configuration

An integration package connecting Duel Agents and LangChain

Seven LangChain tools for the FTIR.fun spectroscopy API

LangChain integration for Talor SERP API — 33 search engines in one tool

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

💧 LangChain tools for Spraay Agent Wallet — provision smart wallets, manage session keys on Base via x402

Zero-code auto-instrumentation for AI agents. Detects and traces LangChain, CrewAI, AutoGen, OpenAI, Anthropic, and raw HTTP calls automatically.

Cross-standard vector DB migration tool — .vmig.jsonl interchange format for agent memory. Import Claude and ChatGPT conversations with LLM fact extraction. Migrate between Pinecone, Qdrant, Chroma, Weaviate, pgvector, Redis, Milvus, Neo4j, VEKTOR. Conver

Celo-first agent payment SDK: x402 + MPP settlement, ERC-8004 identity, and on-chain spending policy via the EnvoyFacilitator. Optional Solana, Stellar, Stripe, DEX/bridge, and unified-wallet modules via subpath imports.

Protocol-agnostic classification, risk tiers, and exact-call policy. Consumable by MCP, A2A, LangGraph, and Vercel AI tool runtimes.

LangChain Retriever adapter for Fetchium — token-efficient AI-native web search

Halo host adapter for LangChain agents and LangGraph graphs (Python): a wrap_tool_call encode middleware plus a halo_fetch navigation tool. install_halo() wires it in one call.

LangChain tools for iwant.fyi -- reference implementation of the iwant.fyi demand-side protocol v1.0. Lets any LangChain agent express structured purchase intent and receive matched supply.

LangChain-compatible Amazon S3 Vectors store for TypeScript

One-line monitoring for LangChain. A BaseCallbackHandler that pings StillRunning on every chain/agent run with duration, tokens, cost, model, and tool-call count.

Pragma Coherence agent skill — verify multi-agent state transitions, gate tool calls, and fetch certs from any LangChain / LangGraph agent in one line.

Self-improving AI agent with memory, skills, MCP, CLI, and TUI

Universal agent server. Wraps any LangGraph graph and exposes it over standard agent protocols — Vercel AI SDK, Claude Code, TUIs, and more.

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.

Islo (islo.dev) sandbox integration for Deep Agents

LangChain document loader for Lyrenth: read URLs as clean AIDocuments.

Persistent user memory for LangChain and LangGraph agents, backed by MemoryRouter

Language analyser for trivia questions — parse, classify, and score question difficulty

LangChain integration for LatchGate — execution security kernel for AI agents

LangChain (Python) callback handler that adds RANKIGI cryptographic receipts to every LLM, tool, agent, and retriever step.

Standalone, dependency-free rolling conversation memory (summary + buffer), inspired by LangChain's ConversationSummaryBufferMemory.

Sarvam provider support for Langchain

Snowbll MCP Server — Gaming Behaviour Intelligence tools for AI agents (Claude, Cursor, Windsurf, OpenAI Agents SDK, LangChain, CrewAI, AutoGen, Vercel AI SDK).

The only agent execution layer that enforces governance before consequences land. x402-native paid execution, financial control plane, immutable receipts, output verification, EIP-712 portable reputation credentials, escrow settlement, RAG semantic memory

A2A TrustGate CLI — Safety, compliance, and governance for AI agents. Screen every action before it executes.

LangGraph node, model, stream, and tool instrumentation for isplay.

A multi-agent automated code review framework powered by LangGraph and Gemini.

Framework-agnostic SDK for Pomerene. createCache + withCache wrap any agent function (Mastra, LangGraph, raw OpenAI Agents SDK, custom loops) with a deterministic trajectory cache.

Middleware utilities for LangGraph StateGraph — inject modules, before/after hooks, error catching, and callback observation

Python SDK for the Agent Event Protocol (AEP) — structured observability for multi-agent AI systems

The emergency brake for multi-agent systems. Stop runaway LangChain & CrewAI agents in real time, before 50 cents becomes $47,000.

Agent-centric, local-first observability: understand what your AI agents do, not just trace them.

ai-agent-common

Thread-based agents with typed streaming, tool-hide rules, branch compression, and optional Django persistence

Make Google Gemini structured output actually validate against your Pydantic models — fixes the anyOf/enum drop, ignored numeric & length bounds, degraded array tails, and MAX_TOKENS string-runaway collapse.

Deterministic LangGraph orchestration with optional Codex execution

SentraGuard framework-neutral guardrail core for AI agents — LangChain/LangGraph, LiteLLM, and direct provider adapters (no OpenTelemetry dependency).

SuperAgentX Policy Engine. Enterprise-grade AI Agent Governance Framework. Govern AI agents with policies, approvals, threat detection, cost controls, memory protection, PII, compliance protections and multi-agent security.

Scaffold a CData agent template (ADK, AI SDK, LangChain) into the current directory.

Declarative multi-agent framework on top of @morphixai/agent-core — define agents/tools/skills, plug an LLM, run routing/streaming.

LangChain-powered AI agent using Groq for fast, free inference. Features custom tool creation, AI code generation, and beautiful web interface.

Conversational meta-agent for your terminal: every prompt runs through a multi-agent coordination round (debate, adversarial, tournament, consensus) over Claude Code + Codex, on your subscriptions.

90,000+ universal AI agent skills — Claude Code, OpenAI Agents, Hermes, AutoGen, LangChain, any LLM

TypeScript SDK for Merka2a - The B2B exchange for AI agents. Search products, negotiate prices, and place orders via API.

LangGraph adaptor plugin for Enterprise WeChat (WeCom) AI Bot / Agent API / Webhook integration

mnex — cognitive-architecture AI coding agent with stateful LangGraph planner-critic loop, 5-tier memory, causal work graph, local-first routing, GitHub integration, eval harness, and plugin SDK

Sage OSS CLI — Copier-template wrapper that scaffolds a production-ready agentic AI product (FastAPI + Next.js + LangGraph + Helm) pre-wired to Cerebe and the Dark Factory gate on commit one. Bundles the Sage template inside the npm package; no GitHub acc

LLM-powered enterprise treasury agent that deploys and administers tokenized equity and bonds on Hedera (testnet or mainnet) via the @hebx/hak-ats-plugin Hedera Agent Kit plugin.

Physical-bottleneck, reverse-consensus investment analysis for every market — an LLM agent chain that traces any stock (A-share / HK / US) to its supply-chain constraint and refuses to chase narrative-driven tops. Bring your own LLM key.

LangChain integration for GoodSender — transactional email API with consent management

LangChain callback handler for NeBeso AI cost tracking

LangChain integration for Neuralwatt — energy-aware AI inference.

LangChain tool for hard spending limits on AI agents via Valta

LangChain VectorStore integration for Vector Panda

A LangChain integration tool that provides reliable web scraping capabilities at any scale using ZenRows' Universal Scraper API, extended with Adaptive Stealth Mode

Policy-gated, durable, audited execution for AI agent tool calls. Every action gets a five-verdict policy check, a crash-safe checkpoint, and a tamper-evident audit event — a library, not a server.

Shared utilities for StackFactor AI agent services — LangChain helpers, structured logging, error handling, and constants.

Drop-in preflight guard for AI agents — one call to the x402 Trust Layer (guard + security grade + attestation) before any paid x402_fetch. Works with any agent framework (LangChain, CrewAI, Coinbase AgentKit).

Security observability layer for LangGraph and Anthropic SDK AI agents

LangChain / LangGraph / CrewAI integration for auto-browser

Official Dial LangChain tools — phone numbers, SMS, WhatsApp, and voice calls for AI agents

FiGuard pre-flight spend authorization for LangChain agents

Verifiable, scope-gated tool execution for AI agent frameworks (IDProva)

E2B sandbox integration for Deep Agents

LangChain VectorStore for mnestic — embedded graph + vector + full-text store with one-call hybrid retrieval.

Tenant isolation and per-tenant usage metering for LangGraph checkpointers and stores

LLMRIX AI Agent SDK

TypeScript & Node.js SDK for HipCortex - the persistent causal memory & token optimization substrate for autonomous AI agents.

Local-first DevTools for AI agents. See every tool call, prompt, and token — 100% on your machine. Zero cloud, zero signup, one command.

Framework-neutral AgenC marketplace tool definitions (JSON-Schema) for AI agents — discovery, inspection, and unsigned mutation-prepare tools, with OpenAI / LangChain / CrewAI adapters

AIGP governance adapter for LangChain/LangGraph

Wrap a deny.sh vault entry as a LangChain v1 tool. The credential resolves inside the tool boundary; only a narrowed DTO reaches the model. Fail-closed leak sweep.

Dome Platform LangChain adapter — govern LangChain tools with Dome authorization

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

EMILIA Protocol guard for LangChain tools: a named human approves the exact irreversible action (Face ID / passkey) before it executes — fail-closed, with offline-verifiable Trust Receipts.

LangChain integration with OmegaEngine governance - callbacks, tools, and safety chains

Native LangChain / LangGraph tools for the Rine network — send, receive, discover, and run E2E-encrypted agent-to-agent conversations and groups from a LangChain / LangGraph agent

LangGraph checkpointer backed by PerSQL — durable agent state in an isolated SQLite database per agent.

Earned autonomy for LangGraph — evaluate, interrupt, approve, resume.

LangChain and LangGraph tools for Bloomberg workflows backed by @xbbg/core

LangChain tools for SNAP — private agent-to-agent payments on Solana using zero-knowledge proofs

Implicit state machine middleware for LangChain.js agents. Ordered task pipelines with per-task tool scoping, prompt injection, and composable validation.

Autonomous AI-native SDLC platform — run parallel AI agents in isolated worktrees to automate the development cycle from idea to deploy.

LangGraph-powered intelligence orchestration for Tuff (providers, prompts, quotas, audit)

CVE-style advisory database and static scanner for AI agent security risks