AlekOmOm/mvp-MCP-server_MD-Notes
3.1
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This document outlines the design and implementation of a minimal Model-Context-Protocol (MCP) server for retrieving and reading markdown notes using Node.js and Express.js.
Tools
1
Resources
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Prompts
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minimal MCP server design
- retrieving and reading notes.
Requirements
- Create a minimal MCP server that implements the Model-Context-Protocol
- Provide capability to retrieve and read markdown notes
- Use the provided notes_MCP as knowledge source
- Keep implementation minimal (MVP)
- Use plain JavaScript (no TypeScript)
Tech Stack
- Runtime: Node.js
- Framework: Express.js (lightweight web framework)
- Dependencies:
- express (HTTP server)
- cors (Cross-Origin Resource Sharing)
- fs (Node.js file system for reading notes)
- path (Path manipulation utilities)
Architecture
A simple client-server architecture:
+-------------------+ +-------------------+ +-----------------+
| LLM Host | ----> | MCP Server | ----> | File System |
| (Claude/other LLM)| | (Express Server) | | (Notes Storage) |
| | <---- | | <---- | |
+-------------------+ +-------------------+ +-----------------+
Directory Structure
mcp-notes-server/
├── package.json
├── server.js # Main entry point
├── routes/
│ └── mcp-router.js # MCP protocol router
├── tools/
│ └── notes-tool.js # Notes retrieval implementation
└── notes/ # Directory containing your markdown notes
└── ... (your .md files)
Components
1. MCP Router
Handles MCP protocol requests:
- Discovery endpoint (
/discover): Returns available tools and functions - Invocation endpoint (
/invoke): Processes tool function calls
2. Notes Tool
Implements note retrieval functions:
list_notes: Lists available notesread_note: Retrieves content of a specific notesearch_notes: Simple search functionality for notes
Implementation Plan
- Set up basic Express server with CORS support
- Implement MCP router with discovery and invocation endpoints
- Create notes tool with basic file operations
- Connect components and test with an LLM host
