Javascript agents

LangChain integration for the OpenJobs agent-to-agent job marketplace.

OSSA - Open Standard for Software Agents. Infrastructure bridge between agent protocols (MCP, A2A) and deployment platforms. Define once in YAML, export to 9+ platforms (Docker, Kubernetes, LangChain, CrewAI, Claude Skills, etc.).

LangChain.js document loader for AHTML. Fetch any AHTML-emitting site and ingest it as LangChain Documents with chunk boundaries, citation anchors, and metadata preserved.

LangChain.js integration for PathCourse Health — autonomous agent inference on Base L2

Wrap LangGraph tool nodes with OC Agent scope enforcement and emit a signed agent-action envelope per execution. Binds the action to the graph-state hash so verifiers replay the audit against the persisted graph snapshot.

LangChain / LangGraph adapter for kanban-lite – exposes all kanban-lite features as LangChain StructuredTools with streaming comment support

Fireworks integration for LangChain.js

TypeScript client for MCP Langchain

tegg langchain decorator

Solo-dev harness engineering kit for Claude Code, with experimental Codex and Kiro CLI runtime rendering.

> ⚠️ **`gaunt-sloth-assistant` has been renamed to [`gaunt-sloth`](https://www.npmjs.com/package/gaunt-sloth).** > The `1.5.x` series is the final release under the old name — active development continues under > the new package. To switch: > > ```bash >

TypeScript SDK for Ovrule case-file classification, guardrails, and receipt verification.

GovernMy.ai LangChain integration — callback handler that checks regulatory obligations during agent tool calls and chain invocations

AtomicMemory adapter for LangChain JS - memory tools and framework-agnostic retrieve/ingest helpers around an injected MemoryClient.

将 AG-UI 兼容的 Agent 部署为 HTTP 服务。

Reminix agents for LangGraph - serve AI agents as REST APIs

Atbash safety guard for LangChain DynamicStructuredTool

NestJS foundation package with JSON:API, Neo4j, Redis, LangChain agents, and common utilities

E2E Testing Reinvented with AI - A powerful TypeScript browser automation framework using AI-powered testing with LangChain, OpenAI GPT-4o, and Playwright

Rsbuild builder for Storybook

TypeScript definitions for global-agent

Framework integrations for Agent Replay

Umbrella package for agent-tail — pipes browser console logs to files on disk during development.

Develop and deploy code with zero configuration

n8n community node for OpenCode AI chat model integration

Proxy agent support for @cordisjs/plugin-http

Coding agent CLI with read, bash, edit, write tools and session management

Zep: Fast, scalable building blocks for production LLM apps

OpenInference instrumentation for Claude Agent SDK

Browser, os and device detection

Send parameterized requests to GitHub's APIs with sensible defaults in browsers and Node

FriskAI TypeScript SDK

Langchain Toolkit extension of Agentkit (forked from Coinbase)

A Node.js wrapper for the opendataloader-pdf Java CLI.

SheetBase Pro – Google Sheets as a database for n8n (Simple public reads, Advanced Apps Script CRUD, Tool, and Webhook Trigger with API key security).

XAIP callback handler for LangChain.js — emits signed XAIP receipts for every tool call. Provider-agnostic trust layer, drop-in.

Popsicle middleware for setting a default `User-Agent` header

This is the langchain wrapper built for (Maxim JS SDK)[https://www.npmjs.com/package/@maximai/maxim-js].

Local GitHub Actions runner — pause on failure, ~0ms cache, official runner binary. Built for AI coding agents.

Skillflag producer CLI reference implementation.

Autonomous local coding agent

GUI agent for web applications - add intelligent automation to any webpage with a single script

Proviras tracing SDK for LangGraph and LangChain agents

LangChain JS Tool that gates KeeperHub workflow execution through SBO3L's policy boundary. Composable with @sbo3l/sdk.

Creates a proper HTTP User-Agent

AWS SDK for JavaScript Bedrock Agent Client for Node.js, Browser and React Native

The Salesforce CLI

Elastic apm core

Curve Agent SDK

A SOCKS proxy `http.Agent` implementation for HTTP and HTTPS

Agent-ready financial intelligence MCP tools by Toolstem

Raindrop integration for LangChain

PM2.io Agent Standalone for NodeJS

Library that helps you to get mobile application user agent and web view user agent strings.

LangGraph agent module package for the GenAI AWS plugins for Backstage

Building blocks for capable, general-purpose agents

Pre-payment counterparty verification for AI agents. KYC, risk screening across 386 data sources, Companies House, ACRA. PROCEED/BLOCK verdict in one call.

Module to prevent SSRF when making requests

Azure CosmosDB integration for LangChain.js

LangChain library that provides browser automation tools for AI agents

Pine Labs Agent Toolkit — Pine Labs payment APIs as tools for AI agent frameworks (OpenAI, LangChain, Vercel AI SDK, Anthropic Claude). Generated from the same OpenAPI spec that powers the Fern SDKs.

Third-party integrations for LangChain.js

Self-hosted AI chat dashboard for Hermes Agent — multi-model web UI with multi-platform integration

NeuroShield Sentry — host-level agent protection daemon. Detects and blocks malicious AI agent actions at the OS level.

<!-- ~ Copyright (c) 2025-2026 Datalayer, Inc. ~ ~ BSD 3-Clause License -->

Local-first graph memory CLI for AI agents

Spool-dispatch orchestration engine with unified state machine, skills, and automated git enforcement

OpenTelemetry GenAI tracing for LangChain/LangGraph JS with Azure AI Foundry and Application Insights

Guards, Evals & Observability for AI applications - works seamlessly with LangChain/LangGraph

Capture the complete train of thought of agent work as first-class artifacts

Native CLI binary for @anthropic-ai/claude-agent-sdk on linux-arm64-musl

Baseberg AI Terminal — The Autonomous Base OS

A LangChain/LangGraph agent that codes like a senior software engineer — install globally, use anywhere

Client SDK for connecting to **Agent-User Interaction (AG-UI) Protocol** servers.

Commands to interact with Salesforce agents

Graph-powered code intelligence for AI agents. Index any codebase, query via MCP or CLI.

Native CLI binary for @anthropic-ai/claude-agent-sdk on win32-x64

Native CLI binary for @anthropic-ai/claude-agent-sdk on darwin-x64

An Edge Runtime compatible user-agent parsing utility

All in one Skill manager for AI coding agents. Install, update, and sync Skills across Claude Code, Cursor, Copilot + more.

LangChain integration for Metorial - provides compatibility with LangChain for streamlined tool usage.

The Agent Client Protocol (ACP) is a protocol that standardizes communication between *code editors* (interactive programs for viewing and editing source code) and *coding agents* (programs that use generative AI to autonomously modify code).

Elastic APM Real User Monitoring for React applications

Portable multi-agent harness for .agents-based skills and workflows across Antigravity, Claude Code, Codex, OpenCode, and more

Xuda Dashboard Controller Agent

Detect AI agents. Serve them markdown. Audit your site against the Agent Readability Spec.

Middleware for setting the User-Agent on the HTTP request, to use with @commercetools/sdk-client

n8n community node for Berget AI. Multi-resource action node (chat, image analysis, rerank, speech-to-text) plus Chat Model, Embeddings Model, and Reranker sub-nodes that plug into n8n's built-in AI Agent and Vector Store nodes.

Synmerco MCP Server. The world's first platform that lets all AI agents transact with each other - regardless of protocol, language, or payment system - with zero friction and no humans in the loop. Put your agent to work 24/7 posting jobs and completing

Maton Agent Toolkit - connect popular agent frameworks (LangChain, Vercel AI SDK, OpenAI) to the Maton MCP server.

NotiLens callback handler for LangChain.js — automatic run tracking, token metrics, and error alerting

Azure AI Projects client library.

Node.js wrapper for the probe code search tool

The Elements of Agent Style: a literature-backed English technical-prose writing ruleset for AI agents, with CLI install/enable/disable for 9 primary agent surfaces.

Native CLI binary for @anthropic-ai/claude-agent-sdk on linux-arm64

HireSquire CLI - AI-powered candidate screening from the command line

Free email for AI agents, instant messaging between agents, and cloud file storage — all through one MCP server

Agentic adapter for the LangChain TS SDK.

LangChain integration for Hedera Agent Kit.