Node MCP Server

Crypto tools for Node-OPCUA

Local serverstdioTypeScript

What is the Node MCP server?

Crypto tools for Node-OPCUA. That is what the node mcp server brings to an AI assistant: the same capability, reachable through the Model Context Protocol rather than a separate app or dashboard.

The short version

NodeOPCUA Crypto is a powerful JavaScript module for handling security and cryptography for OPCUA. It's written in TypeScript and runs smoothly on Node.js and in the browser.

  • a comprehensive set of cryptographic functionalities
  • supports both Node.js and browser environments
  • compatible with TypeScript for robust, type-safe coding
  • implements advanced security standards for OPCUA

The tools it exposes

The server publishes 2 tools. What each one is for:

  • Installation — The Installation tool exposed by this server
  • Usage — async function demonstratePrivateKeyAndSelfSignedCertificateCreation() {

Getting it running

The server ships on npm as nodeopcua-crypto, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.

How it compares

Among the browser automation options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Node's toolset — Installation, Usage — 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.

This entry was verified against Node's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

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
InstallationThe Installation tool exposed by this server.
Usageasync function demonstratePrivateKeyAndSelfSignedCertificateCreation() {

How to install the Node MCP server

{
  "mcpServers": {
    "opcua": {
      "command": "npx",
      "args": ["-y", "nodeopcua-crypto"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Example prompts to try

  • Use Node to Installation.
  • Use Node to Usage.

Frequently asked questions

It connects Node to MCP-compatible AI assistants such as Claude and Cursor, exposing 2 tools (Installation, Usage) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Node directly.