Moleculer MCP Server

Fast & powerful microservices framework for Node.JS

Local serverstdio

What is the Moleculer MCP server?

Most developer tooling work still happens through a UI a human drives. Moleculer MCP server moves it into the conversation instead. Fast & powerful microservices framework for Node.JS.

The short version

Moleculer is a fast, modern and powerful microservices framework for Node.js. It helps you to build efficient, reliable & scalable services. Moleculer provides many features for building and managing your microservices.

The tools it exposes

The server publishes 4 tools. What each one is for:

  • Promise — based solution (async/await compatible)
  • request — reply concept
  • built — in service registry & dynamic service discovery
  • master — less architecture, all nodes are equal

Getting it running

moleculer-cli on npm is all you need. Most clients run it directly, so configuration is a few lines and a restart.

How it compares

Plenty of developer tooling servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Moleculer's toolset — Promise, request, built and 1 more — is a fair guide to whether it matches your workflow. It is maintained by GitHub Actions; worth a glance at recent repository activity before you build anything load-bearing on it.

SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Available tools

ToolWhat it does
Promisebased solution (async/await compatible)
requestreply concept
builtin service registry & dynamic service discovery
masterless architecture, all nodes are equal

How to install the Moleculer MCP server

{
  "mcpServers": {
    "moleculer": {
      "command": "npx",
      "args": ["-y", "moleculer-cli"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Example prompts to try

  • Use Moleculer to Promise.
  • Use Moleculer to request.
  • Use Moleculer to built.

Frequently asked questions

It connects Moleculer to MCP-compatible AI assistants such as Claude and Cursor, exposing 4 tools (Promise, request, built, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Moleculer directly.