DiscoverMachine Learning Tech Brief By HackerNoonSecuring Your MCP Server: a Step-by-Step Guide
Securing Your MCP Server: a Step-by-Step Guide

Securing Your MCP Server: a Step-by-Step Guide

Update: 2025-09-17
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This story was originally published on HackerNoon at: https://hackernoon.com/securing-your-mcp-server-a-step-by-step-guide.

This guide will walk you through securing a Node.js MCP server from the ground up using JWT.

Check more stories related to machine-learning at: https://hackernoon.com/c/machine-learning.
You can also check exclusive content about #mcp, #authentication, #authorization, #jwt, #nodejs, #expressjs, #api-security, #hackernoon-top-story, and more.




This story was written by: @wassimchegham. Learn more about this writer by checking @wassimchegham's about page,
and for more stories, please visit hackernoon.com.





The Model Context Protocol (MCP) provides a powerful way for LLMs to interact with external tools. exposing an MCP server without security is like leaving the front door of your house wide open. This guide will walk you through securing a Node.js MCP server from the ground up using JWT.

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Securing Your MCP Server: a Step-by-Step Guide

Securing Your MCP Server: a Step-by-Step Guide

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