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Javascript agents

12,833 Javascript AI agents indexed on MeshKore — the most complete public catalog, ranked by popularity and updated daily.

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Javascript agents — page 118 of 129

@rulvar/cli

Rulvar shell: run/resume/runs/inspect/plan/kb commands, TUI progress, createServer, createWorker, OTel exporter.

@holocronlab/botruntime-runtime

Lightweight runtime library for brt-built botruntime agents

@circuit-llm/plugins

Drop-in adapters that expose the Circuit Data API (pay-per-call in CIRC via x402) to agent frameworks: an ElizaOS plugin and a Solana Agent Kit action set. One dependency turns any agent into a Circuit data consumer.

lastlight-evals

Eval harness for Last Light workflows — drives the real production workflows against a mocked GitHub and grades deterministically (SWE-bench compatible).

@nitra/llm-lib

Тонкий шар роботи з LLM (локальні omlx + хмарні провайдери) поверх pi: model tiers, one-shot, agentic-раннери, write-guard, trace, telemetry, prompt-budget

@sema-agent/cli

Sema — your own Claude Code-grade coding agent, in the terminal.

@rulvar/store-postgres

Rulvar PostgreSQL store implementing JournalStore and LeasableStore with a fencing epoch, for multi-process and multi-host deployments.

@adrianapan/pikit

An opinionated Pi agent configuration. Includes: custom theme, plan mode, artifacts, subagents, LLM council, configurable restrictions, MCP support and a styled UI.

@schovest/pi-agent-core

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

renma

Manage human-curated context assets for LLMs and agents in Git.

acp-probe

Probe any ACP-compatible agent for its capabilities (models, modes, configOptions, prompt capabilities, auth methods, MCP transports). No real prompt required; no token cost.

@rulvar/anthropic

Rulvar first-class provider adapter over @anthropic-ai/sdk.

@sinoia/hubdoc-tools

Professional command-line tool for HubDoc document management and bulk import/export

agui-framework

A TypeScript framework for building AI agent-powered applications. Integrates with multiple LLM providers (OpenAI, Anthropic, Ollama, Fireworks) and implements the AG-UI protocol for real-time frontend communication.

@salesforce/sfdx-agent-harness-claude

Claude Agent SDK-backed AgentHarness implementation for @salesforce/sfdx-agent-sdk

@thenewguard/tng-wiki

Keep your LLM wiki honest: a per-claim citation lockfile, drift detection, and code-grounding for Karpathy-style knowledge bases. Scaffolds a fresh wiki or adopts an existing one; agent-agnostic.

@rulvar/plan

Rulvar adaptive orchestration extension: PlanRunner, RunLedger, escalation extensions, ModelLadder configuration. Replans during the run; not the plan-writing hybrid mode, which is @rulvar/planner.

@mcp-use/agent

Native cross-platform MCP agent. Inspector → MCPAgent → loop → fetch + @mcp-use/client. LangChain bridge at @mcp-use/agent/langchain.

@adarshsingh05/agent-guard

A drop-in spend cap and audit log for LLM API calls

inline-agent

정크 컨텍스트 제거 — LLM 에이전트를 위한 보이지 않는 정보 정돈 레이어

@rulvar/bridge-ai-sdk

Rulvar bridge adapter wrapping any Vercel AI SDK LanguageModelV4 as a ProviderAdapter.

@rulvar/store-conformance

Rulvar executable store conformance kit (DEF-4).

@rulvar/store-sqlite

Rulvar SQLite store implementing JournalStore and LeasableStore with a fencing epoch.

csuite-server

Node HTTP broker for CommandSuite — the self-hostable command layer for agent teams (Hono + SQLite, one process).

n8n-nodes-toon-encode

Encode JSON → TOON (40-60% token savings for LLMs!)

nexus-coder

NexusAgent - A powerful LLM Code Agent with MCP, Skills, and ACP support

@glassray/coach

Glassray Coach — a fully self-contained local AI-agent trace debugger (OTLP in, dashboard + agent-first CLI out).

helios-task-agent

从飞书消息/文档到 helios-kanban 任务的终端与私聊 agent

junecoder

Zero Npm Dependencies Agent Framework

kcp-agent

Reference agent that consumes the Knowledge Context Protocol end-to-end — a deterministic, fail-closed navigation planner plus optional LLM synthesis.

@co-browse/core

Framework-agnostic engine for agentic browsing: DOM accessibility snapshotting, element registry, action execution, tools, guardrails, and the LLM agent loop.

@wagent/core

WAGENT Core - Gateway, Agent Engine, Memory

@rulvar/planner

Rulvar flagship hybrid mode: plan agent, compileScript, WorkerSandboxRunner, self-repair loop. Plans before the run; not the PlanRunner orchestration extension, which is @rulvar/plan.

@punktechnologies/sdk

Gateway Agnostic SDK for Punk's hosted AI gateway: OpenAI, Anthropic, OpenRouter, Vercel AI SDK, LangChain, agent tracing, tool caching, and governance.

@zansn/langchain

Turn LangChain agent runs into portable Zansn evidence packs. Capture traces, tool calls, cost, and readiness with a callback handler.

@cryptyx/langchain-tools

LangChain tool wrappers for the CRYPTYX x402 API. Drop-in DynamicStructuredTool instances that any LangChain agent can bind — signals, factor scores, institutional trigger evaluation, natural-language query. Payment plumbing handled via @cryptyx/x402-clie

@skein-js/agent-protocol

Framework-agnostic Agent Protocol engine for LangGraph.js — run engine, handlers, and SSE, driven entirely by injected dependencies.

@skein-js/core

Framework-agnostic Agent Protocol engine for LangGraph.js — the heart of skein-js.

@braincrew-lab/langchain-canvas

A live canvas for LangChain agents — stream documents, charts, and rich artifacts into a React panel.

@skein-js/config

langgraph.json parser and graph loader (path:export) for skein-js.

@skein-js/express

Express adapter for skein-js — mount the Agent Protocol on an Express Router.

n8n-nodes-siliconflow-ai

n8n community node for SiliconFlow (硅基流动). Zero runtime dependencies. Provides a SiliconFlow action node (Chat / Vision / Embeddings / Image / Rerank / Audio TTS+ASR / Video) and a LangChain-compatible Chat Model node for AI Agents. Installs cleanly witho

@skein-js/nextjs

Next.js adapter for skein-js — serve the Agent Protocol from App Router or Pages Router API routes.

@agent-arc-status/adapter-langchain

A LangChain callback handler that emits Agent Arc Status Protocol events at chain/agent boundaries.

novu

Novu CLI. Run Novu Studio and sync workflows with Novu Cloud

@skein-js/nestjs

NestJS adapter for skein-js — serve the Agent Protocol from a Nest module.

@skein-js/fastify

Fastify adapter for skein-js — mount the Agent Protocol as a Fastify plugin.

@harpua/langgraph

Idiomatic NestJS integration for LangGraph: nodes as providers, typed edge lists, checkpointers, streaming, interrupts, and OpenTelemetry tracing

@skein-js/storage-memory

In-memory SkeinStore + queue driver for development and tests.

@harpua/agent-tools

Framework-agnostic prebuilt LangChain tools for agents (works with any LangChain/LangGraph app)

@skein-js/storage-postgres

Postgres SkeinStore driver with pgvector semantic search, reusing PostgresSaver for checkpoints.

skein-js

The skein-js CLI — self-host LangGraph.js agents as an open-source alternative to LangGraph Platform; a drop-in replacement for the LangGraph CLI (dev/up/build/dockerfile).

@hoantruong6817/langchain-react

React integration for LangGraph & LangChain

@theorvane/type-chain

Decorator-first, type-safe authoring layer for LangChain JS tools and agents.

@sofagent/orchestrator

sofagent 编排引擎 — 多 Agent 协作 / 工作流调度 / prompt 模板

opsveritas-sdk

Monitor your AI agents in 3 lines of code — tokens, cost, latency, and silent failures

@devs30/local-deep-researcher

Fully local web research assistant (LangGraph.js port of langchain-ai/local-deep-researcher) - library, CLI and MCP server

@skein-js/server-kit

Shared, framework-agnostic building blocks for skein-js HTTP adapters — in-memory dev runtime, LangGraph dev-state import, and langgraph.json CORS mapping.

@archildata/langchain

Archil filesystem adapter for LangChain

@skein-js/langsmith

LangSmith tracing for skein-js — run identity and thread grouping on every graph call.

toolgovern-integration-langgraph

Route LangGraph.js tool calls through toolgovern's governTool() gate before they reach ToolNode -- wraps each tool with the classifier, then re-wraps it with LangChain's own tool() factory so it slots into new ToolNode([...]) unchanged.

@langchain/managed-deepagents-darwin-arm64

Prebuilt mda binary for darwin/arm64.

@functionfbtc/sdk-agent

Framework-agnostic AI agent tools for Function FBTC and Aave V3

@langchain/managed-deepagents-linux-x64

Prebuilt mda binary for linux/x64.

@mekik/langchain

LangChain integration for mekik — surface agent tool calls in the UI, gate them behind human approval, and make them exactly-once across an interrupt/resume.

@escouade/graph-trace-langchain

LangChain/LangGraph callback adapter feeding graph-trace.

anygas-adapters

Robyn framework adapters — gasless cross-chain tools for Vercel AI SDK, LangChain, Coinbase AgentKit, and raw OpenAI/Anthropic function-calling.

@skein-js/runtime

Assembles skein-js ProtocolDeps from langgraph.json + selected drivers (memory/Postgres/Redis).

@langchain/managed-deepagents-win32-x64

Prebuilt mda binary for win32/x64.

@langchain/managed-deepagents-darwin-x64

Prebuilt mda binary for darwin/x64.

@langchain/managed-deepagents-win32-arm64

Prebuilt mda binary for win32/arm64.

@langchain/managed-deepagents-linux-arm64

Prebuilt mda binary for linux/arm64.

@workflow/world-vercel

Vercel platform World implementation for Workflow SDK

@kakunin/langchain

Kakunin compliance tools for LangChain JS/TS — verify agent certificates and scopes inside tools and chains

wigolo

Local-first web intelligence MCP server for AI coding agents

n8n-nodes-aimedia-ai

Multi-provider AI Chat Model for n8n with sequential failover + retry. Any OpenAI-compatible provider (OpenAI, DeepSeek, NVIDIA, OpenRouter, Groq, ...), one credential per slot.

@merk.a2a/langchain

LangChain tools for Merka2a - the agent-native compute exchange. Search GPU compute, negotiate prices, and place orders.

gosce-authenticated-mcp-jwt-agent

JWT-gated LLM gateway: authenticate (bcrypt/JWT), then run a LangChain-on-Vertex Gemini completion. Unauthenticated calls are rejected.

@xberg-io/langchain-xberg

LangChain.js document loader for Xberg — extract text, tables, and metadata from 101 document formats with optional OCR.

@chronova/wiki-agent

Standalone documentation agent for Ollama and OpenAI-compatible providers

@renanlalier/openwiki

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

@arcproof/sdk-elizaos

ElizaOS plugin for @arcproof/sdk -- native orchestrator + specialist builders (runtime.useModel, no LangChain needed) plus the Action/Plugin wrapper, for a bonded, independently-verified, real-payment agent.

gaunt-sloth

The main CLI application for Gaunt Sloth.

@mastyf_ai/langchain-middleware

Mastyf AI security middleware for LangChain — intercepts and evaluates tool calls through the Mastyf policy proxy

gosce-llm-orchestration-jwt-agent

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

n8n-nodes-elasticsearch-vector-store

n8n community node for using Elasticsearch as a LangChain vector store (RAG, similarity search, AI agent tool)

@skein-js/redis

Redis job queue and cross-instance pub/sub streaming for skein-js.

langchain-taguru

LangChain.js integration for the Taguru long-term semantic memory server

langchain-siliconflow

LangChain.js provider integration for SiliconFlow (chat + embeddings).

langchain-dev

Installs the LangChain 1.x / LangGraph skill (API quick-reference + selection guide for Agents, RAG, tools, structured output, memory, middleware, LangSmith) into a project's .claude/skills folder.

langchain-talordata

LangChain integration for Talor SERP API - TypeScript version

agent-envelope-mcp

Neutral MCP server for AgentEnvelope delegated action authority: sovereign verify plus hosted-governance verify, lookup, and mint.

@agent-browser/eve

eve extension that gives agents a full browser automation tool set backed by agent-browser

@visiq/harness

VisIQ agent-governance harness for Node.js — action governance, retrieval governance, and audit-trail reporting, added to your existing agent framework by one visiq() call.

@pierre/diffs

Docs at [https://diffs.com](https://diffs.com)

quantumscan-agent-doctor

Instant, zero-signup security check for an autonomous agent's wallet — open approvals + ECDSA nonce reuse.

@agent-browser/sandbox

Helpers for running agent-browser inside sandbox runtimes

@noinjection/langchain

NoInjection enforcement adapter for LangChain structured tools.

@queldrex/enforce

Drop-in enforcement for AI agents — authorize every tool call through the Queldrex Trust Layer (allow / require approval / deny) before it runs, in code or as an inline MCP gateway. Fail-safe, zero-dependency.

@sumup/agent-toolkit

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