MCP MongoDB Server

Name: MCP MongoDB Server
Author: SFBB

@SFBB

About MCP MongoDB Server

A Model Context Protocol (MCP) server that provides an interface between LLMs and MongoDB databases, optimized for small context windows (3k tokens). Specially for novel.

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-mongodb-novel-server": {
      "command": "python",
      "args": [
        "src/scraper.py",
        "--config",
        "config/settings.json"
      ]
    }
  }
}

Tools

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Overview

What is MCP MongoDB Server?

MCP MongoDB Server is a high-performance Model Context Protocol (MCP) server that provides an efficient knowledge interface between Large Language Models (LLMs) and MongoDB. It is optimized for small context windows (3k tokens) and enables LLMs to retrieve and interact with domain-specific knowledge stored in MongoDB collections.

How to use MCP MongoDB Server?

Clone the repository with submodules, configure a .env file with MONGODB_URI, DATABASE_NAME, and PORT, then build and run with cargo build --release and cargo run --release. After startup, configure your MCP client (e.g., VSCode copilot) to connect via SSE at http://localhost:3000/sse.

Key features of MCP MongoDB Server

Dual‑server architecture: SSE‑based MCP and RESTful CRUD API
Token‑efficient responses for small LLM context windows
Integrated MongoDB query mechanisms and data models
Built‑in models for Novels, Chapters, Characters, and Q&A
Python scraper submodules for populating databases

Use cases of MCP MongoDB Server

Query character details from a novel database via LLM
Retrieve novel metadata and chapter summaries with regex search
Update chapter summaries using an MCP method with authentication
Populate MongoDB from Syosetu, 69Shu, Ximalaya, or Twitter/X timelines

FAQ from MCP MongoDB Server

What ports does the server use?

The MCP SSE server runs on port 3000, and the CRUD API runs on port 3001 (PORT+1).

What data models are supported?

The server includes models for Novels, Chapters, Characters, and Q&A knowledge base entries.

How do I update database content?

You can use the RESTful CRUD API endpoints (/api/novels, /api/chapters, /api/characters, /api/qa) or MCP methods like update_chapter_summary (requires an auth token).