Azure Cosmos DB MCP Server Implementation

Functionality Overview 🤔

This service furnishes an interface enabling Large Language Models (LLMs), such as Claude, to directly interface with and retrieve data from your Azure Cosmos DB resources. It functions as a secure intermediary, translating abstract AI directives into precise, optimized database interactions.

Operational Illustration

text User Prompt: "Identify the top ten clientele from the previous fiscal month." AI Agent: Executes translated query on Azure Cosmos DB and renders the findings in easily digestible prose.

Technical Mechanism 🛠️

This server utilizes the Model Context Protocol (MCP), a standardized architecture designed for seamless, bi-directional communication between diverse AI engines and persistent data stores. While MCP is model-agnostic, its current accessible preview deployment is integrated within the Claude Desktop environment.

Configuration mandates are minimal: 1. Initialize the project structure. 2. Provision necessary credentials within the Claude Desktop configuration file. 3. Commence natural language interaction with your Cosmos DB repository.

Capabilities 📊

• Execute complex Azure Cosmos DB queries derived solely from unconstrained, natural language requests.

Initialization Guide 🚀

Prerequisites

• A functional Node.js runtime (version 14 or newer).
• Access to an Azure Cosmos DB NoSQL API account or the local Cosmos DB Emulator.
• The Claude Desktop application.

Project Setup

• Retrieve the URI and primary ACCESS KEY for your Azure Cosmos DB NoSQL account. Create an .env file in the root directory and populate it with these values:

COSMOSDB_URI= COSMOSDB_KEY=

Deployment Sequence

1. Dependency Installation
   Execute the following command in the primary project directory to fetch required libraries: bash npm install

2. Compilation
   Build the production artifacts: bash npm run build

3. Server Activation
   Change directory to the compiled output (dist) folder and launch the service: bash npm start

4. Verification Output
   The console output should confirm successful launch:

Azure Cosmos DB Server running on stdio

Integrating with Claude Desktop

Access Claude Desktop and navigate to File -> Settings -> Developer -> Edit Config. Modify the claude_desktop_config file by incorporating the following structure, adjusting file paths and credentials as necessary:

{ "mcpServers": { "cosmosdb": { "command": "node", "args": [ "C:/Path/To/azure-cosmos-mcp/dist/index.js" ] // Modify this path accordingly "env": { "COSMOSDB_URI": "Your Cosmos DB Account URI", "COSMOSDB_KEY": "Your Cosmos DB KEY" } } } }

With these steps completed, the MCP integration for Azure Cosmos DB is established, permitting seamless, natural query interaction via Claude Desktop.

Collaboration Guidelines

We actively encourage community submissions and feature suggestions. Significant contributions typically require adherence to a Contributor License Agreement (CLA) to confirm granting of usage rights. Details are available at https://cla.opensource.microsoft.com.

Upon submission of a Pull Request, a CLA bot will automatically assess and tag the request based on prior agreement status. Follow the bot's guidance; CLA commitment is usually a one-time event across our repositories.

This repository adheres to the Microsoft Open Source Code of Conduct. Further inquiries can be directed to opencode@microsoft.com.

Intellectual Property Notices

This software may incorporate trademarks or branding from various projects or Microsoft offerings. Authorized usage must comply with Microsoft's Trademark & Brand Guidelines. Any replication of Microsoft assets in derivative works must avoid suggesting official endorsement or affiliation. Third-party marks are governed by their respective owners' policies.

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