codebase-explorer MCP Server

What is codebase-explorer MCP Server?

A TypeScript-based MCP server that implements a simple notes system, demonstrating core MCP concepts with resources, tools, and prompts. It is intended for developers learning or prototyping with MCP.

How to use codebase-explorer MCP Server?

Install dependencies with npm install, build with npm run build, then add the server to Claude Desktop’s config file. Use the create_note tool to add notes, note:// URIs to access them, and the summarize_notes prompt to generate a summary of all stored notes.

Key features of codebase-explorer MCP Server

• List and access text notes via note:// URIs
• Each note includes title, content, and metadata
• create_note tool creates new notes with title and content
• summarize_notes prompt generates structured LLM summaries
• Plain text mime type for simple content access
• Stores all notes in server state (in-memory)

Use cases of codebase-explorer MCP Server

• Experimenting with MCP resources, tools, and prompts
• Building a lightweight note‑taking assistant for Claude Desktop
• Learning how to develop and debug an MCP server
• Testing MCP Inspector for stdio‑based server debugging

FAQ from codebase-explorer MCP Server

What exactly does the server do?

It provides a basic notes system: you can create notes, read them via URIs, and generate summaries of all notes using an LLM prompt.

What are the runtime dependencies?

Node.js and npm are required. The server is built from TypeScript source.

How do I debug the server?

Use the MCP Inspector by running npm run inspector, which opens a URL with debugging tools.

Where are the notes stored?

Notes are kept in the server’s in‑memory state and are lost when the server stops.

What transport does the server use?

The server communicates over stdio, as is standard for MCP servers.