Hello World MCP Server (Reference Extension)Verified
@Model Context Protocol
About Hello World MCP Server (Reference Extension)
A reference MCP extension demonstrating best practices and all available features
Config
No standard config provided
This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.
RepositoryTools
1Get the current computer time in various formats
Overview
This is a reference implementation of a MCP Bundle (DXT). It demonstrates all available manifest features, user configuration options, and security best practices. Use this extension as a template when creating your own MCP servers. The extension includes examples of all user configuration types, proper request token verification, and comprehensive metadata fields.
About this extension
This is one of the official reference examples from the Model Context Protocol MCPB repository — the format used to package MCP servers as one-click desktop extensions for Claude Desktop.
Installing
Download or build the .mcpb (formerly .dxt) bundle from the source repository, then drag it into Claude Desktop under Settings → Extensions to install.
Basic information
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