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Javascript agents

12,550 Javascript AI agents indexed on MeshKore — the most complete public catalog, ranked by popularity and updated daily.

12,550 agents · ranked by popularity · refine in the directory →

Javascript agents — page 54 of 126

pi-amaze-tools

pi / senpi extension: structural code search (ast-grep), LSP intelligence (gopls/tsserver/marksman), bounded file/web primitives, and a local-LLM result summarizer (0GM).

openinsider-mcp

MCP server that exposes openinsider.com to any MCP compatible client.

@runflow-ai/sdk

Runflow SDK - Multi-agent AI framework

capacitor-native-agent

Native AI agent loop for Capacitor — runs LLM completions, tool execution, and cron jobs in native Rust, enabling background execution.

@compilr-dev/sdk

Universal agent runtime for building AI-powered applications

@samchon/openapi

Universal OpenAPI to LLM function calling schemas. Transform any Swagger/OpenAPI document into type-safe schemas for OpenAI, Claude, Qwen, and more.

@mercuryo-ai/magicbrowse

LLM-first browser-automation runtime: planner + navigator agents driving Chrome over CDP

agent-qa

The self-improving Agentic QA harness with Memory

@marketintellabs/hermes-paperclip-adapter

MarketIntelLabs fork of the Paperclip adapter for Hermes Agent — with adapter-owned status transitions, an in-process MCP tool server (paperclip-mcp) that replaces curl-in-prompt with structured tool calls, MIL heartbeat prompt templates, and OpenRouter m

@talonic/mcp

Official Talonic MCP server. Lets AI agents extract structured, schema-validated data from any document via the Model Context Protocol.

@e-llm-studio/watch-me-work

A React component library that renders a live, animated view of multi-agent orchestration — showing each agent's thinking steps, streaming status, and time taken in a collapsible accordion UI.

opencode-adaptive-snip

OpenCode plugin that learns verbose shell commands and automatically prefixes them with snip.

@e-llm-studio/citation
computer-use-vm

Let agents run disposable VMs

useragent-ng

Fast & effecient user agent string parser. Uses uap-core (Browserscope) data for parsing. Drop-in replacement for useragent

@agforge/core

Agent protocol, execution skeleton, interceptor chain, message types, and ScopeContext for AgForge SDK

javascript-obfuscator

JavaScript obfuscator

@microsoft/m365-copilot-eval

Zero-config Node.js wrapper for M365 Copilot Agent Evaluations CLI (Python-based Azure AI Evaluation SDK)

agent-contracts-runtime

Runtime bridge for executing agent-contracts workflows on Agent SDKs

codeloop-mcp-server

CodeLoop MCP server - verification, self-repair, and recommendation layer for AI coding agents

openfox

Local-LLM-first agentic coding assistant

@openthink/stamp

Local, headless pull-request system for agent-to-agent code review workflows

mcpbrowser

MCP browser server — loads and interacts with web pages using the user's Chromium-based browser with full JavaScript execution. Handles authentication, SSO, and anti-bot protection automatically via the user's existing browser session.

@anthropic-ai/claude-agent-sdk-darwin-arm64

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

@suknna/pomelo-core

Lightweight multi-agent orchestration system for OpenCode

cl-agent-cli

Interactive CLI agent for Commerce Layer — bring your own LLM provider.

agent-security-scanner-mcp

AI agent security scanner and npm audit for MCP servers, Claude Code, Cursor, and Windsurf. Find prompt injection, hallucinated packages, secrets, unsafe tools, and vulnerable code.

@koishijs/plugin-proxy-agent

Proxy agent support for Koishi

@self-evolving-harness/aco

Agent 协调编排器 - 智能调度、任务链编排、故障自愈

@mhmo91/schmancy

UI library build with web components

squirrelscan

Website audit tool built for AI agents. 249+ SEO, performance & security rules from the CLI, your coding agent, the cloud, or MCP.

@draht/agent-core

General-purpose agent with transport abstraction, state management, and attachment support

@tonyrl/rand-user-agent

This package is for getting latest agents and randomize it

@eigenpal/cli

Eigenpal CLI — author and run document workflows from your terminal. Agent-ready.

elastic-apm-node

The official Elastic APM agent for Node.js

@soa-harness/runner

SOA-Harness Runner — HTTP surface, trust bootstrap, Agent Card, StreamEvents, permission resolver, attestation, audit, probes. §19.4 errata: v1.0 includes all §X.Y Observability additions pinned in MANIFEST.supplementary_artifacts at release time; see soa

@vibe-agent-toolkit/gateway-mcp

MCP Gateway for exposing VAT agents through Model Context Protocol

@nfinitmonkeys/clan

Universal clan runtime for the Jungle — set up an AI agent for any project, anywhere. Persistent brain by default + one-shot `wild` install for standalone Claude Code integration.

@clipboard-health/playwright-reporter-llm

Playwright reporter that outputs structured JSON for LLM agents. Minimal console output, flat schema, easy to filter to failures.

@siemens/ix-mcp-angular

iX MCP server for Angular

@traceloop/node-server-sdk

Traceloop Software Development Kit (SDK) for Node.js

react-grab

Select context for coding agents directly from your website

vibecop

AI code quality toolkit — deterministic linter for the AI coding era

@langchain/protocol

TypeScript bindings for the LangChain agent streaming protocol

@vegintech/langchain-react-agent

LangChain Agent UI component library for React

@ethglobal-openagent/langchain-keeperhub

KeeperHub tools for LangChain — use onchain workflow automation inside any LangChain agent

imily-agent

A small LangChain agent factory library for reusable TypeScript agents.

@keepergate/langchain

LangChain adapter for [KeeperHub](https://keeperhub.com). Drop reliable on-chain execution into any LangChain agent in 3 lines.

@tjcrowley/swarmtrade-langchain

LangChain tools for SwarmTrade — use agent-to-agent marketplace capabilities in any LangChain agent

@microsoft/agents-a365-tooling-extensions-langchain

Agent 365 Tooling SDK for LangChain AI agents built with TypeScript/Node.js

@langchain/langgraph-sdk

Client library for interacting with the LangGraph API

@langchain/mcp-adapters

LangChain.js adapters for Model Context Protocol (MCP)

langchain-copilotkit

LangChain Agent Adapter for CopilotKit — connect LangChain/LangGraph agents to CopilotKit via the AG-UI protocol without a separate server

@eetr/agent-streemr

Reusable Socket.io + LangChain agent plumbing: protocol types, socket listener, local-tool registry, and stream adapter.

create-langgraph

Create a new LangGraph project

@langchain/langgraph-supervisor

LangGraph Multi-Agent Supervisor

@langchain/core

Core LangChain.js abstractions and schemas

@langchain/community

Third-party integrations for LangChain.js

@langchain/openai

OpenAI integrations for LangChain.js

@langchain/anthropic

Anthropic integrations for LangChain.js

postbridge-langchain

PostBridge postal tools for LangChain JS and LangGraph — send physical letters to 5 countries from any LangChain agent.

@langchain/google-genai

Google Generative AI integration for LangChain.js

@langchain/langgraph-swarm

An implementation of a multi-agent swarm using LangGraph

@traceloop/instrumentation-langchain

OpenTelemetry instrumentation for LangchainJS

@stream-io/chat-langchain-sdk

Shared LangChain agent utilities for Stream Chat

@langchain/textsplitters

Various implementations of LangChain.js text splitters

@langchain/aws

LangChain AWS integration

langchainhub

Client library for connecting to the LangChain Hub.

@langchain/mistralai

MistralAI integration for LangChain.js

@langfuse/langchain

Langfuse integration for LangChain

@langchain/google-common

Core types and classes for Google services.

@langchain/cohere

Cohere integration for LangChain.js

@langchain/mongodb

Sample integration for LangChain.js

@langchain/google-gauth

Google auth based authentication support for Google services

@n8n/n8n-nodes-langchain

![Banner image](https://user-images.githubusercontent.com/10284570/173569848-c624317f-42b1-45a6-ab09-f0ea3c247648.png)

@langfuse/core

Core functions and utilities for Langfuse packages

@langchain/react

React integration for LangGraph & LangChain

@langchain/google

Google integrations for LangChain.js

@langchain/groq

Groq integration for LangChain.js

@langfuse/otel

Langfuse OpenTelemetry export helpers

@ai-sdk/langchain

The **[AI SDK](https://ai-sdk.dev)** LangChain adapter provides seamless integration between [LangChain](https://langchain.com/) and the AI SDK, enabling you to use LangChain agents and graphs with AI SDK UI components.

@dcp-ai/create-langchain

Scaffold a DCP-AI governed LangChain agent project

@langfuse/tracing

Langfuse instrumentation methods based on OpenTelemetry

@langchain/langgraph-checkpoint

Library with base interfaces for LangGraph checkpoint savers.

@hashgraphonline/standards-agent-kit

A modular SDK for building on-chain autonomous agents using Hashgraph Online Standards, including HCS-10 for agent discovery and communication. https://hol.org

@langchain/ollama

Ollama integration for LangChain.js

@langchain/weaviate

Weaviate integration for LangChain.js

langchain-gigachat

GigaChat integration for LangChain.js

@langfuse/client

Langfuse API client for universal JavaScript environments

agentevals

[Agentic applications](https://langchain-ai.github.io/langgraph/concepts/agentic_concepts/) give an LLM freedom over control flow in order to solve problems. While this freedom can be extremely powerful, the black box nature of LLMs can make it difficult

langfuse-langchain
@langchain/google-vertexai

LangChain.js support for Google Vertex AI

@langchain/vue

Vue integration for LangGraph & LangChain

@braintrust/langchain-js

SDK for integrating Braintrust with LangChain.js

@langchain/langgraph-cli

The official command-line interface for LangGraph.js, providing tools to create, develop, and deploy LangGraph.js applications.

@langchain/pinecone

LangChain integration for Pinecone's vector database

@vibe-agent-toolkit/runtime-langchain

LangChain.js runtime adapter for VAT agents

@langchain/langgraph-cua

An implementation of a computer use agent (CUA) using LangGraph

@arizeai/openinference-instrumentation-langchain

OpenInference Instrumentation for LangChain.js

@aerostack/sdk-langchain

Use Aerostack workspace tools as LangChain.js tools

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