June 2026
Intermediate
392 pages
11h 35m
English
Content preview from AI Agents in Action, Second Edition
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appendix B Node.js setup for local MCP servers
Many Model Context Protocol (MCP) servers are distributed as Node.js packages on the public npm registry. The most convenient way to run one of these servers locally is with npx, a small command-line tool that ships with Node.js. Given a package name, npx downloads the package if it is not already cached, resolves its executable entry point, and runs it, all in a single command. That makes it possible to point an MCP client such as Claude Desktop, an IDE plugin, or a custom agent at a fresh MCP server without writing any installation scripts of your own.
Before you can take advantage of any of this, you need a working Node.js installation on your machine. This appendix walks through that setup ...
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